Comparing Custom Lighting Suppliers with 3D Design Support in Ireland (2025): A Buyer’s Checklist for Success

Meta description:
Compare custom lighting suppliers with 3D design support in Ireland. Use our 2025 buyer’s checklist for specs, BIM files, costs and after-sales.

Introduction

I’ve sat in too many project rooms where a “simple” lighting package spiraled out of scope—until the right 3D design support turned chaos into clarity. When drawings don’t match reality, and emails fly between architects, M&E engineers, QSs, and suppliers, lighting can quickly become the noisy, expensive part of the job instead of the quiet success story.

The numbers alone justify your attention: lighting typically accounts for around 15–20% of the electricity that buildings consume each year, depending on the building type and hours of use. (The Department of Energy’s Energy.gov) At a global level, lighting is responsible for roughly 12% of total electricity consumption, making it a major lever for decarbonisation and cost reduction. (JAGGAER) In other words, the custom lighting supplier you choose in Ireland is no longer just a “decorative” decision—it’s a strategic one that touches energy bills, compliance, and ESG metrics.

In this guide, we’ll compare custom lighting suppliers and bespoke custom LED lighting suppliers who provide 3D design support for projects in Ireland. You’ll get a clear, repeatable checklist you can apply across tenders: from BIM/Revit coordination and I.S. EN 12464-1 compliance to EPREL energy labels, TCO modelling and after-sales. The goal: fewer surprises, faster approvals, and lighting packages that pay for themselves instead of quietly eroding your budget.

Ireland 2025 Snapshot — Standards, Codes & What They Mean for You

Before you compare suppliers, you need to understand the playing field. In Ireland, custom luminaires still have to pass through the same regulatory funnel as any off-the-shelf product, plus the additional scrutiny that comes with bespoke design.

1. Core EU and Irish Compliance Pillars

1. a) CE Marking, RoHS & REACH
   Any custom or bespoke luminaire placed on the Irish market must comply with:

CE marking: Confirms conformity with applicable EU directives and regulations (Low Voltage, EMC, Ecodesign, etc.).

RoHS: Restricts hazardous substances such as lead, mercury and certain flame retardants in electrical equipment.

REACH: Regulates chemicals and substances of very high concern in components and finishes.

Positive scenario:
A solid custom lighting supplier will have a clear technical file linking your project-specific product codes to test reports, risk assessments and declarations. When you ask for a Declaration of Conformity (DoC), you get a document that lists the exact model, standards (e.g., EN 60598 series), and sign-off person.

Negative scenario:
A weaker supplier sends a generic CE statement with no model number alignment, no test house information, and no way to trace which report applies to which luminaire variant. That’s a red flag for both safety and enforcement risk.

What to ask suppliers

“Please share product-specific DoCs, not generic CE statements.”

“Which test lab performed safety and EMC tests? Is it accredited?”

“Are all finishes and coatings RoHS and REACH compliant, including custom colours?”

1. b) EPREL Energy Labelling

Under EU rules, all light sources in scope of energy labelling must be registered in the EPREL database before they can be placed on the EU/EEA market. (lightingeurope.org) For many luminaires, this means that the LED light source (or integrated module) is linked to an EPREL entry that covers energy class, luminous flux and other key parameters.

The public side of EPREL lets you or an inspector scan the QR code on the label and instantly view energy efficiency class, power, luminous flux and colour temperature details. (Energy Efficient Products)

Positive scenario:
Your supplier gives you:

EPREL model identifiers for integrated light sources.

A clear mapping between your project luminaire codes and the EPREL-registered light source.

Labels and product fiches you can drop straight into your O&M and ESG documentation.

Negative scenario:
The supplier claims, “We’re energy efficient, don’t worry,” but cannot show any EPREL entries or QR-coded labels. In a project environment where energy transparency and public registries are now the default, this quickly becomes a compliance and reputational risk.

What to ask suppliers

“Please provide EPREL IDs (or screenshots) for all integrated light sources.”

“Confirm how EPREL information will be included in O&M manuals and BIM data.”

1. c) Part L & Nearly Zero Energy Buildings (NZEB)

Ireland has fully embraced NZEB (Nearly Zero Energy Building) standards through its revisions of Part L – Conservation of Fuel and Energy of the Building Regulations. Part L covers energy performance of buildings, including artificial lighting and controls, and mandates minimum efficiencies and renewable contributions. (ORS Building Consultancy)

For non-domestic buildings, compliance is demonstrated using NEAP (Non-Domestic Energy Assessment Procedure). (Sustainable Energy Authority of Ireland) From January 2021, all new buildings must meet the NZEB standard under Part L 2017, which is roughly 60% more energy efficient than the 2008 regulations. (abuild.ie)

What this means for lighting:

You should expect lighting to achieve high efficacy (lm/W) and integrate with controls to reduce operating hours.

Poorly specified luminaires or lack of controls can make it difficult for your building to meet NZEB targets and get signed off.

Lighting decisions feed directly into BER and Part L certificates, not just visual comfort.

Positive scenario:
A supplier designs to optimise lux levels and energy use for your NEAP model. They understand how switching, dimming, daylight harvesting and occupancy control reduce energy use and help your building clear NZEB hurdles.

Negative scenario:
A supplier treats lighting as “decor” only, pushing high-wattage fittings and minimal controls because they look good in renders. Your energy model then struggles to meet targets, and the design team has to retrofit value-engineering, causing delays and rework.

1. d) I.S. EN 12464-1 – Workplace Lighting

For offices, hospitals, schools and many commercial interiors, the key reference is I.S. EN 12464-1 on lighting of work places – indoor. It defines minimum illuminance, uniformity, glare (UGR), and colour rendering for different task areas.

Practical implication:

When you ask for “glare-free office lighting”, you’re really asking for compliance with task-specific lux and UGR targets.

Any custom pendants, linear profiles or downlights must be backed by photometry to show that they meet the relevant tables of I.S. EN 12464-1.

Supporting data point #3:
Irish NZEB guidance highlights fixed lighting as one of the core energy loads assessed when demonstrating Part L compliance, clearly linking lighting design to the building’s overall energy efficiency. (Sustainable Energy Authority of Ireland)

1. e) SEAI, Grants & Sustainability Levers

The Sustainable Energy Authority of Ireland (SEAI) provides guides and programmes to improve energy performance in businesses, including best practice for energy-efficient LED lighting. (Sustainable Energy Authority of Ireland) For some sectors, there may be grants or supports for energy upgrades.

Positive scenario:
Your supplier understands SEAI guidance and can support:

Energy-efficient LED luminaires with robust efficacy and controls.

Documentation to support grant applications or internal ESG reporting.

Framing of payback periods and CO₂ reductions for stakeholders.

Negative scenario:
A supplier sells you custom fittings that look attractive but have mediocre efficacy and no controls integration. The project misses potential SEAI pathways or internal sustainability targets, even if the upfront capital saving looked appealing.

What “3D Design Support” Really Includes

“3D design support” is one of those phrases that sounds impressive but can mean almost anything, from a few DIALux screenshots to full BIM coordination, VR reviews and clash detection. To compare suppliers fairly, you need to unbundle what you’re actually getting.

1. File Deliverables You Should Expect

At minimum, a genuine 3D-capable custom lighting supplier in Ireland should offer:

BIM / Revit families (often in RFA format) with correct geometry, light emission, connectors, maintenance clearances and parameter data (e.g., CCT, CRI, wattage, IP, emergency option).

DWG/DXF blocks for 2D layouts (especially for consultants and contractors still working in AutoCAD).

STEP files for mechanical coordination where needed (e.g., complex brackets, façade integrations, custom bollards).

Photometric files in IES or LDT format to drive DIALux/Relux calculations and support I.S. EN 12464-1 compliance checks.

Positive vs negative contrast

Positive: Revit families are clean, lightweight, correctly classified, with appropriate parameters mapped to your COBie or asset register requirements.

Negative: Families are bloated, mis-labelled, or missing important connectors, leading to coordination errors and frustration for the BIM team.

2. Visualisation: DIALux, Relux, Renders & VR

Beyond raw files, proper 3D support means your supplier can visualise how the lighting actually feels:

DIALux/Relux simulations: showing lux levels, uniformity, UGR, and false colour plots for key areas (offices, circulation, reception, meeting rooms, façades, external paths).

High-quality renders: realistic visuals to help clients sign off concepts early (especially hospitality, retail, galleries and high-end offices).

VR/AR walkthroughs (for larger projects): enabling stakeholders to experience night-time scenes and check for glare, dark patches or over-lighting.

Positive scenario:
You get a coherent story: the same luminaire family appears in drawings, BIM, DIALux reports and renders, so decisions are traceable.

Negative scenario:
Someone in your project team builds their own DIALux model with generic fittings because the supplier couldn’t deliver files on time. Later, you realise the custom fittings differ in output and optics, forcing re-work and potential non-compliance.

3. Coordination: Mounting, Cable Routes & Clash Detection

3D support is not just about pretty visuals. It’s about avoiding site headaches:

Mounting and fixing details modelled into ceilings, walls, façades, landscape elements and street furniture.

Cable routes and driver locations considered early, especially for remote drivers, emergency packs and controls gear.

Clash detection: checking that fittings don’t collide with ductwork, sprinklers, structure, signage or other services.

Positive scenario:
The supplier participates in BIM coordination meetings, reviews Navisworks clashes, and adjusts luminaire housings or brackets to resolve conflicts before they reach site.

Negative scenario:
Custom fittings turn up on site but don’t fit between services, leading to last-minute compromises or costly re-ordering.

4. Iteration Speed & Change Management

In real projects, drawings change. Tenants change layouts, ceilings get simplified, budgets tighten. The question is: how quickly can your supplier re-calculate the design and update 3D files?

Good practice includes:

Clear SLA for 3D updates (e.g., “48–72 hours for minor layout changes”).

Version control: updated BIM families and photometric files labelled with revision dates.

Change logs that tie design tweaks back to lux levels, energy use and cost impact.

Positive scenario:
The supplier absorbs changes smoothly, keeping the design coordinated and the programme intact.

Negative scenario:
Every change request becomes a negotiation, 3D files lag, and your Revit model drifts away from reality—exactly what you were trying to avoid.

Technical Performance Criteria (Your Must-Have Spec List)

Once 3D basics are covered, you need to ensure the light itself is fit for purpose. For Ireland 2025, procurement should push beyond simple wattage and lumens to a more rounded technical checklist.

1. Optics & Visual Quality

CRI ≥ 90 for offices, hospitality, retail and gallery-like areas where accurate colour rendering matters.

TM-30 metrics (Rf, Rg) for a deeper look at colour fidelity and gamut, especially in retail, food, museum or healthcare environments.

UGR control through proper optics, shielding and layout to keep glare within I.S. EN 12464-1 limits.

Beam angles from narrow spot to wide flood; for façades and landscape you may need elliptical beams, wall washers or grazing optics.

CCT range 2700–6500K including tunable white options for human-centric or multi-use spaces.

Contrast example:

Positive: Supplier can show TM-30 plots and UGR tables for your exact luminaire, and model how a 3000 K, CRI 90 solution will look in a hospitality lobby vs a 4000 K, CRI 90 office.

Negative: Supplier only provides “CRI > 80” and a vague beam angle; no TM-30, no UGR data, and no tuning options for different space types.

2. Reliability & Lifetime

LM-80/TM-21 data from LED manufacturers to project lumen maintenance (L70, L80) over time.

Clear L70/B50 or L80/B10 targets at specific hours (e.g., 50,000 or 100,000 hours).

Driver reliability, expressed via MTBF or expected lifetime under Irish ambient conditions.

Surge protection in the 6–20 kV range for exterior, industrial or grid-sensitive applications.

Here, you’re trying to avoid “custom but fragile” solutions. A good supplier balances innovation and reliability by using proven LED engines and drivers (e.g., known brands like Mean Well or Tridonic) in custom housings, with proper thermal management.

3. Durability: IP, IK & Corrosion

Ireland’s climate brings its share of moisture, salt exposure (coastal sites) and wind-driven rain. For exterior and coastal applications, you want:

IP65 or higher for weather-exposed luminaires, junction boxes and drivers.

IK10 where impact protection is necessary (bollards, in-ground, public realm fittings).

C5-M corrosion protection for coastal or marine-adjacent environments, verified via salt spray or similar testing.

Robust thermal design with attention to ambient temperatures and heat dissipation.

Positive vs negative:

Positive: Supplier offers a documented C5-M finish, tested fastening systems, and details on gaskets and cable entries.

Negative: Custom fittings look beautiful in renders but use basic powder coating, standard fixings and no proven corrosion performance.

4. Safety & Controls Compatibility

Fully tested luminaires complying with photobiological safety standards.

DALI-2, Casambi, Bluetooth Mesh, KNX gateways or PoE compatibility where you want a smart building integration.

Emergency lighting packs (self-contained or central battery) fully integrated with local life-safety strategies.

Flicker performance documented using metrics like PstLM and SVM, especially for office or healthcare environments.

Your aim is to ensure the custom element doesn’t break the safety chain or limit your building’s ability to integrate with modern BMS, dashboards and analytics platforms.

Design-to-Delivery Workflow (How Best-in-Class Suppliers Operate)

A strong supplier is defined as much by process as by product. Here’s how a mature workflow should look.

1. Briefing: Getting the Inputs Right

Site data: floor plans, ceiling heights, surface reflectances, glazing information.

Lux targets: by space type, aligned with I.S. EN 12464-1 or project-specific standards.

Glare limits: UGR targets for key visual tasks and presentation areas.

Photometric objectives: emphasis on vertical illumination vs horizontal, accent vs ambient, etc.

Constraints: heritage buildings, healthcare regulations, security lighting, dark-sky constraints, etc.

Positive scenario:
The supplier leads with questions: “What’s your lux target by area? Any glare issues in previous projects? Any NZEB or SEAI documentation needed at the end?”

Negative scenario:
They ask for “the architect’s drawing” and jump straight to a product pitch with no real understanding of the building’s performance requirements.

2. Concepting: Balancing Aesthetics & Efficacy

Concept design should be iterative and visual:

3D placement of luminaires in BIM.

Sample renders for key spaces.

Variant proposals that trade off efficacy vs aesthetics vs cost (e.g., fewer powerful fittings vs more, lower-powered units).

At this stage, a good supplier will highlight value engineering options without compromising compliance, such as:

Using a single linear LED profile family with different optics for corridors, open areas and meeting rooms.

Simplifying driver variants to reduce spare-part complexity.

Adjusting CCT and CRI in the right areas (e.g., ultra-high CRI only where it’s genuinely needed).

3. Validation: Simulations, Mockups & On-Site Trials

Once a concept is accepted, you move into hard validation:

DIALux/Relux reports: including lux, uniformity, UGR, power load and sometimes daylight factors.

Value-engineering scenarios: “What if we drop CCT variation?” “What if we reduce beam spread?”

Mockups: on-site trials in a sample room, façade bay or landscape zone.

Positive scenario:
The supplier stands next to you on site during the mockup, adjusts aiming, and then updates photometric data and Revit families to match the final agreed setting.

Negative scenario:
The mockup doesn’t match the original design assumptions, but no one documents the differences. Later, when tenants complain about glare or dark corners, there’s no clear reference to what was actually agreed.

4. Handover: As-Built BIM, O&M & Commissioning

A project doesn’t end with delivery. Best-in-class suppliers support:

As-built BIM models reflecting what was actually installed.

Complete O&M manuals with cut-sheets, EPREL details, wiring diagrams, and maintenance instructions.

Commissioning support, including controls tuning, scene setting and training of facilities staff.

Positive vs negative:

Positive: Facilities teams receive a clean handover pack and know exactly how to maintain and adjust the system.

Negative: The building runs on “default” controls forever, wasting energy and frustrating occupants because no one knows how the system was meant to be used.

Documentation You Should Receive Every Time

Think in terms of four packs. If a supplier can’t deliver these, they’re not a long-term partner.

1. Design Pack

Revit families and BIM lighting objects for all luminaires.

IES/LDT photometric files.

DIALux/Relux calculation PDFs with key metrics and assumptions.

Detailed cut-sheets with test report IDs and performance metrics (lm/W, CRI, CCT, TM-30, IP, IK, emergency options).

2. Compliance Pack

CE DoC, RoHS and REACH documentation.

EPREL IDs and energy label information.

Evidence of I.S. EN 12464-1 alignment for work areas.

Safety reports (e.g., EN 60598, photobiological safety certificates).

Warranty certificate with clear terms (duration, coverage, exclusions, claim process).

3. Installation Pack

Mounting drawings: ceiling details, bracketing, recess dimensions.

Wiring diagrams: including emergency and controls wiring.

Photometric aiming guides for floodlights, façade lighting and accent spots.

Suggested circuiting and grouping for controls.

4. After-Sales Pack

Spare parts list: drivers, LED boards, lenses, gaskets, etc.

RMA workflow: who to contact, how to document failures, turnaround expectations.

Service SLAs: response times, replacement lead times, on-site support options.

Contrast example:

Positive: All documents are structured, version-controlled PDFs and BIM resources that your internal teams can reuse on future projects.

Negative: You receive a messy folder of PDFs without model linkage, making future maintenance, replacements or audits difficult.

Controls, Smart Features & Future-Proofing

Lighting is now part of the digital backbone of many buildings. When comparing suppliers, you should look beyond on/off switching and think about controls strategies, data and flexibility.

1. Protocols & Integration

Common options:

DALI-2: robust protocol with multi-vendor interoperability, widely used in Ireland.

Bluetooth Mesh / Casambi: app-based controls, good for retrofits or flexible fit-outs.

KNX gateways: for integration with broader building automation.

PoE lighting systems: DC-powered luminaires using structured cabling, more niche but useful in some smart office contexts.

Ask suppliers:

“Which controls ecosystems do you support natively?”

“Can you provide commissioning support and training?”

“Do your BIM families include controls parameters (e.g., DALI addresses, groupings)?”

2. Sensors & Scenes

Look for:

PIR/occupancy sensors for automatic on/off or dimming.

Daylight harvesting sensors to dim artificial lighting near windows.

Task tuning to cap maximum output where full power isn’t needed.

Pre-set scenes for meeting rooms, collaboration spaces, receptions, etc.

Positive scenario:
The supplier designs a controls scheme that uses occupancy and daylight sensors to cut energy use by 40–60% compared to fixed output, aligning with global data that shows controls can significantly reduce lighting energy consumption. (The Department of Energy’s Energy.gov)

Negative scenario:
Sensors are added only to satisfy a specification line but never tuned correctly. As a result, occupants override controls, leaving lights on 24/7.

3. Data, BMS & Cybersecurity

For larger or smarter buildings, ask about:

APIs and dashboards for monitoring energy use, failure alerts and occupancy patterns.

Integration with BMS or energy management platforms.

Basic cybersecurity and GDPR-aware handling of data (especially if sensors capture occupancy or movement profiles).

Not every Irish project needs a full “smart building” stack, but your supplier should be honest about what’s possible, what’s overkill, and how to scale later.

4. Upgrades & Modularity

Future-proofing options include:

Zhaga sockets for pluggable sensors or communication nodes.

Modular optics and engines that can be swapped without replacing the whole luminaire.

Plans for firmware updates (OTA or via site visit) where controls are software-driven.

The key is to avoid “beautiful dead-ends”: stunning custom fixtures that can’t accommodate new controls, sensors or LED engines in five years’ time.

Costing, TCO & Value Engineering (Ireland-Ready)

A supplier who only talks about unit price per fitting is not thinking at your level. You need to understand Total Cost of Ownership (TCO) and how their design supports Part L, NZEB and operational budgets.

1. Capex vs Opex

When comparing quotes, consider:

Capex: unit price, installation labour, fixings, commissioning.

Opex: energy use (kWh), maintenance visits, spare parts, potential failures.

Even small differences in efficacy (lm/W) can compound over thousands of hours. With lighting typically taking a double-digit share of electricity use, (The Department of Energy’s Energy.gov) the Opex side can dwarf modest Capex savings.

2. Energy Modelling & Scenarios

Ask suppliers to support basic energy maths, for example:

kWh per year per area, based on operating hours and controls strategies (occupancy, daylight, scenes).

Comparison between “minimum compliance” and “enhanced efficiency” options.

Simple payback calculations for incremental upgrades (e.g., adding controls, improving lm/W).

Positive scenario:
Supplier presents two or three structured options:

Base – meets compliance at lowest Capex.

Optimised – better efficacy and controls, with 3–5 year payback.

Premium – advanced controls and data features, justifiable where ESG and staff experience are top priorities.

Negative scenario:
You get a single “take it or leave it” quote with no explanation of how design choices affect running costs.

3. Value Engineering Without “Value Destruction”

Real value engineering might include:

Using shared driver platforms across many fittings to simplify spares.

Rationalising brackets and accessories to reduce installation complexity.

Tweaking CCT/CRI mix by area to focus premium performance where visible and critical.

Revisiting beam angles to reduce the total number of fittings, while maintaining lux and uniformity.

But watch out:

Cutting CRI from 90 to 80 in retail or hospitality can degrade the experience.

Switching from a genuine C5-M finish to standard powder coating near the coast can destroy lifetime and warranty value.

4. Funding Angles & Stakeholder Framing

In Ireland, some projects may tap into SEAI grants or incentives for energy upgrades or deep retrofits. (Sustainable Energy Authority of Ireland) Even when no grants are available, stakeholders increasingly care about:

Demonstrable CO₂ reductions.

Alignment with NZEB and future ZEB trajectories.

ESG reporting metrics.

A good supplier helps you “sell” the solution internally by providing clear, non-technical summary slides or one-pagers explaining:

Upfront cost vs annual savings.

Payback period and lifespan.

Risk reduction (fewer failures, better documentation, compliance confidence).

Logistics, Lead Times & Risk Management

You can have the best design on paper and still fail if lead times, logistics or quality control are weak.

1. Lead Times & Prototyping

Clarify:

Time for concept design and first DIALux/BIM package.

Time for samples and prototypes (especially custom finishes, custom optics or new housings).

Time for mass production and shipping to Ireland.

Positive scenario:
Supplier builds in a buffer and has parallel workstreams (e.g., while prototypes are tested on site, mass-production tooling is prepared).

Negative scenario:
Lead times are optimistic, with no contingency. Any delay in approvals snowballs into on-site chaos.

2. Incoterms, Customs & VAT

Understand:

Are you buying EXW, FOB, CIF or DDP to Ireland?

Who handles customs documentation, duties and transport risk?

How do they treat 23% VAT context in Ireland, especially if importing?

While this may be handled by your logistics team or main contractor, a mature supplier will at least have experience with Irish imports, correct packaging and labelling, and the ability to support customs paperwork when needed.

3. Quality Gates: FAT, SAT & AQL

To reduce risk:

Use Factory Acceptance Tests (FAT) for custom luminaires before shipment.

Use Site Acceptance Tests (SAT) for sample batches on arrival.

Apply AQL (Acceptable Quality Level) sampling plans to large batches.

Positive scenario:
Supplier welcomes FAT/SAT and has checklists ready—photometric tests, IP/IK verifications, visual defect checks, functional tests for controls and emergency.

Negative scenario:
Supplier resists third-party checks, has no structured QC documentation, and relies only on “trust us; it’s fine”.

4. Red Flags to Watch For

No photometric files or highly generic ones.

Missing or vague DoCs and no EPREL traceability.

Warranty text that’s short, unclear or heavily caveated.

Very slow or inconsistent 3D design turnaround.

Lack of Irish/EU references or case studies for similar projects.

The Buyer’s Comparison Checklist (Copy-Paste Ready)

You can use this checklist to score and compare custom lighting suppliers with 3D design support for Irish projects.

Company basics

Years in business

Irish or EU project references

Professional indemnity / product liability insurance

3D deliverables

Revit/BIM families supplied?

IES/LDT files for all luminaires?

DIALux/Relux files and calculation reports?

Typical revision turnaround time (e.g., 2–3 days)?

Performance

CRI, TM-30 Rf/Rg values

UGR data and compliance with I.S. EN 12464-1

LM-80/TM-21 lifetime projections (L70/L80 at hours)

Flicker metrics (PstLM, SVM)

IP and IK ratings, surge protection

Compliance

CE, RoHS, REACH documentation

EPREL ID for integrated light sources

Evidence of Part L / NZEB awareness and support

Photobiological safety reports

Controls

Support for DALI-2, Casambi, Bluetooth Mesh, KNX, PoE

Sensor strategy (occupancy, daylight)

Commissioning support and training

Documentation for controls (schematics, addressing plans)

Warranty & service

Warranty duration (5–10 years?)

Coverage (luminaires, drivers, labour?)

Spare-parts strategy and local stock

RMA process and SLA for replacements

Costs & TCO

Unit price per fitting

Installation cost implications (brackets, fixings, wiring complexity)

Annual energy model and maintenance forecast

Payback / lifecycle comparison vs alternatives

Logistics

Production lead time

Shipping mode and Incoterms (DDP Ireland?)

Packaging robustness and labelling (CE, EPREL, serial numbers)

Proof

Recent Irish/EU case studies

Mockup success stories

Photometric reports and as-built documentation

Sample RFQ Template (What to Request)

Here’s a structure you can paste into your own RFQ documents when approaching custom lighting suppliers with 3D design support.

1. Project details

Project type: (office, healthcare, hospitality, education, industrial, mixed-use)

Location: (city, coastal/non-coastal, heritage/non-heritage)

Space types and target lux/UGR per area

Mounting heights, ceiling types, architectural finishes

Any Part L / NZEB or SEAI requirements to be explicitly supported

2. Files & design support

“Please provide, as part of your proposal:”

Revit families for all proposed luminaires

IES/LDT photometric files

DIALux or Relux calculation PDFs

2–3 key visualisations for feature spaces (if relevant)

Sample DWG/DXF blocks for M&E coordination

3. Technical specs

For each luminaire, specify:

CCT (incl. tunable white if applicable)

CRI and TM-30 Rf/Rg

Luminous flux and lm/W

Beam angle (and any special optics)

IP and IK ratings

Surge protection rating

Driver type (fixed, DALI-2, Casambi, etc.)

Emergency options (self-contained, central battery, monitoring)

Materials, finish codes and expected corrosion protection level

4. Compliance & documentation

“Please include in your submission:”

CE, RoHS, REACH documentation

EPREL model IDs and energy label details

Photobiological safety information

Warranty terms and sample warranty certificate

Draft O&M contents list, including how BIM and EPREL data will be provided

5. Service & commercial terms

Proposed lead times (design, samples, production, delivery to Ireland)

Commissioning and training scope

After-sales service and spare-parts policy

Incoterms, payment terms, and currency

Clarification of responsibilities for customs and VAT in Ireland

This RFQ structure helps you compare apples-to-apples and filters out suppliers who can’t support modern, 3D-driven lighting workflows.

Case Study Mini-Template & Example

You can use this template internally to capture experience from each project and refine your supplier shortlist over time.

Template fields

Context: Sector, size, location, constraints (heritage, healthcare, coastal).

Problem: What wasn’t working before (energy, glare, aesthetics, maintenance).

Design: 3D workflow used, options tested, final selection, control strategy.

Outcome: Lux compliance, energy savings, installation time saved, payback, user feedback.

Artifacts: Before/after photos and renders, as-built BIM, commissioning logs, key emails/approvals.

Example Case Study: Dublin Tech Office Fit-Out (Composite Example)

Context
A 9,000 m² tech office in Dublin city centre undergoing CAT B fit-out. Client wanted a “warm but focused” workspace with strong ESG credentials and clear documentation for investors. The building needed to comply with Part L (NZEB) and I.S. EN 12464-1 for workspaces.

Problem
The original lighting proposal used generic recessed LED panels with limited controls. The energy model was borderline for NZEB, and the design team worried about glare on large, shared screens in collaboration areas.

Design & 3D workflow

The selected custom lighting supplier created Revit families for a family of linear profiles, pendants and downlights, plus matching wall washers for breakout spaces.

They ran DIALux calculations for open-plan offices, collaboration zones and focus areas, iterating beam angles and spacings to stay within UGR limits.

For key spaces, they produced renders and a short VR walkthrough, allowing the client to approve the look and feel before placing orders.

A controls scheme based on DALI-2 with daylight harvesting and occupancy sensors was designed and integrated into the BMS.

Outcome

The final design met I.S. EN 12464-1 targets while reducing connected lighting load by about 35% versus the original panel-based scheme, contributing to a comfortable NZEB margin.

Controls reduced operational lighting hours in many zones by an additional 30–40% compared to the original “always on” design assumptions, broadly in line with international findings on the impact of controls. (The Department of Energy’s Energy.gov)

On site, precise BIM coordination avoided clashes with services, saving an estimated two weeks of re-work based on the contractor’s programme.

The client received a comprehensive handover pack: as-built BIM, EPREL IDs, O&M manuals, wiring diagrams and commissioning logs, making investor audits and ESG reporting much smoother.

This type of case study gives you hard evidence of which suppliers actually deliver on 3D support, energy performance and documentation—and which only talk a good game.

Conclusion

If you want fewer surprises and faster approvals on Irish projects in 2025, treat 3D design support as non-negotiable when choosing custom lighting suppliers. The right partner doesn’t just send product brochures—they provide BIM families, verified photometrics, compliance packs, clear TCO models and robust after-sales support.

Use the checklist and RFQ structure above to:

Filter out suppliers who can’t deliver proper 3D design support, documentation and compliance.

Compare serious contenders on technical performance, controls, TCO and risk, not just unit price.

Build a library of internal case studies across Irish projects to refine your preferred supplier list over time.

Do this consistently, and your lighting packages will stop being “problem trades” and start becoming quiet success stories: delighting designers, satisfying inspectors, supporting NZEB goals and paying for themselves through lower energy and maintenance costs.

Your next step is simple: shortlist three suppliers, send them the RFQ template, and run them through the comparison checklist. The differences will show up quickly—on paper, in your BIM model, and eventually, on site.