The Irish BIM Mandate: Dates, Thresholds and What to Do
The Irish BIM mandate applies to public works projects delivered under the Capital Works Management Framework (CWMF). It started in January 2024 for design teams on projects over €100 million. It reaches projects under €1 million by 2028. It is not a law that covers every building in Ireland. Private clients are not bound by it. But if you design, draw or coordinate for public bodies, or work in a supply chain that does, it will reach your desk sooner than you expect.
This guide sets out the dates, the value thresholds, the standards behind the mandate and the practical gaps we see in Irish practices. It ends with a realistic skills plan for architects, architectural technicians and students.
TL;DR
The mandate covers public works projects under the CWMF. It is phased by project value and by whether you are on the design team or in the contractor and supply chain.
As of today, 19 October 2026, milestones 1 to 7 have passed. Design teams on projects over €5 million are now covered. Milestone 8 (contractors and supply chain, over €5 million) starts on 1 January 2027.
The core requirements are ISO 19650, Uniclass 2015, IFC and the International Cost Management Standard (ICMS). It is about structured information, not just a 3D model.
Dates follow when a project enters Stage 1 of the CWMF, not when construction starts.
Revit skills matter, but so do clean IFC exports, a project-specific BIM Execution Plan and understanding information requirements.
Table of Contents
What the Irish BIM mandate actually is
The mandate is a procurement policy. The government is part of a strategy to digitalise the construction sector by 2030 and uses the buying power of the public sector to do it. That sector represents at least 25% of construction activity, according to the same timeline page. When a public body procures a project under the CWMF, BIM requirements are written into the appointment of consultants and, later, of contractors.
The CWMF guidance on BIM lists the core requirements that apply wherever BIM is included in a public works project. The Construction News Ireland overview groups them as the ISO 19650 series, Uniclass, IFC and ICMS.
In practice that means four things:
ISO 19650 sets how information is requested, produced, exchanged and stored across a project.
Uniclass 2015 is the classification system, so everyone labels elements and spaces the same way.
IFC (Industry Foundation Classes) is the open, vendor-neutral exchange format.
ICMS is the standard for classifying and presenting construction costs.
Note what is missing from that list: any named software product. The mandate does not say “use Revit”. It says deliver structured, standards-based information. Revit happens to be a very common way to produce it, which is why so many Irish practices train on it.
The milestone timeline, project by project
The mandate scales down in value over four years. The official Public Sector BIM Adoption Timeline publishes twelve milestones. Design teams and the contractor and supply chain are phased separately, with design teams going first.
Date | Milestone | Who | Project value |
1 Jan 2024 | 1 | Design team | Over €100m |
1 Jan 2025 | 2 | Contractor and supply chain | Over €100m |
1 Jan 2025 | 3 | Design team | Over €20m |
1 Jul 2025 | 4 | Contractor and supply chain | Over €20m |
1 Jul 2025 | 5 | Design team | Over €10m |
1 Jan 2026 | 6 | Contractor and supply chain | Over €10m |
1 Jul 2026 | 7 | Design team | Over €5m |
1 Jan 2027 | 8 | Contractor and supply chain | Over €5m |
1 Jan 2027 | 9 | Design team | Over €1m |
1 Jul 2027 | 10 | Contractor and supply chain | Over €1m |
1 Jul 2027 | 11 | Design team | Under €1m |
1 Jan 2028 | 12 | Contractor and supply chain | Under €1m |
The CWMF announced that Milestone 6 was reached on 1 January 2026, bringing the contractor and supply chain into BIM requirements on applicable projects over €10 million.
What this means in October 2026
Milestone 7 took effect on 1 July 2026. A design team appointed on a public project over €5 million that entered Stage 1 on or after that date should expect BIM requirements in the appointment. In under three months, on 1 January 2027, two things happen at once: contractors and supply chain on the over-€5 million tier are covered, and design teams on projects over €1 million come in.
If your practice mainly works on school extensions, health centres, council housing or fit-outs in the €1 million to €5 million band, the next 12 months are your preparation window. Milestone 9 is only weeks away.
Stage 1 is the trigger, not site start
This is the detail firms most often get wrong. According to the timeline page, the mandate applies to projects commencing Stage 1 of the CWMF on or after the implementation date. It also says it is not appropriate to apply it retrospectively to a project that entered Stage 1 earlier.
Two consequences follow:
A project can be on site in 2027 with no BIM requirement, because it entered Stage 1 in 2023.
A project that is only at feasibility today may well carry BIM requirements by the time it is tendered, because its Stage 1 date could fall after a milestone.
When you plan resources, ask the public client when the project entered Stage 1. Do not guess from the construction programme.
What public clients expect from you at tender
The practical heart of the mandate is information management, not modelling. Build Digital frames the work around structured information exchange: Exchange Information Requirements (EIR), Project Information Requirements (PIR) and Asset Information Requirements (AIR). Firms are expected to submit a pre-appointment BIM Execution Plan (BEP) with their tender.
The BEP is where tenders are won or lost
A generic BEP template pasted into every bid is a weak response. The Build Digital guidance on delivery team capability and capacity describes how the appointing party should assess a supplier’s ability and capacity to meet information requirements. Your BEP is the evidence. A strong one:
answers the specific EIR in the tender documents, point by point
names who does what, with roles and responsibilities
describes how information is produced, checked and exchanged
describes the Common Data Environment (CDE) workflow you will use
On the CDE, Build Digital has a clear page on the I.S. EN ISO 19650 CDE workflow. It explains that each information container carries a unique ID and can be at a different stage of development.
A brief is only as good as the questions behind it. If you want a primer on how any brief is structured, this guide to writing a design brief is a useful comparison. The same logic of defining requirements before producing information sits behind an EIR.
Do not cite superseded standards
Some firms still refer to PAS 1192-2 in tender responses. The ISO 19650 series replaced it. Citing it tells an evaluator your practice is behind. Check every template in your office for old references before the next submission.
The Information Manager is not a junior CAD job
Build Digital, the National Standards Authority of Ireland (NSAI) and the Infrastructure Division of the Department of Public Expenditure have published Information Manager role profiles. The theme is governance and assurance. Handing the role to the youngest Revit user in the office, without leadership and assurance competence, is a recognised failure pattern.
That does not mean juniors have no part. It means the person who signs off information must understand the requirements, the standards and the risks, and be senior enough to challenge the project team.
Open BIM, IFC and why DWG is not enough
Most Irish practices come from a CAD background. The shift now is from drawing-led delivery to model- and data-led delivery, with open formats for exchange. The Build Digital survey data shows that 18% of respondents used open BIM for more than 50% of their work as of 2024, with IFC, DWG and PDF the most common exchange formats.
The BICP Global BIM Study, written for Ireland’s programme, makes a related point. Firms locked into a single vendor’s workflow face a competitive disadvantage, while leading firms prioritise OpenBIM standards such as IFC. The study is from 2017, so read it as direction of travel rather than a current status report. It also notes the UK mandated BIM for centrally funded public projects from April 2016, a useful comparison for how Irish thresholds may play out.
For a Revit user this means IFC export is a core skill. A model that looks perfect in Revit but exports with misclassified elements, wrong levels or missing property sets fails the exchange requirement. Our guide to Revit IFC export walks through producing clean files.
AutoCAD is not obsolete either. DWG remains one of the most used exchange formats in the Build Digital data, and 2D drawing production continues alongside models. Our AutoCAD for architecture guide covers what students need to know.
Is BIM mandatory for private projects in Ireland?
Not by law, and not through the CWMF. The mandate governs public works. However, the NSAI BIM certification page describes BIM as increasingly a requirement in both public and private sector projects, including strategic housing delivery. Private clients, funders and large contractors increasingly borrow public-sector language in their own requirements. If you want to bid for public work later, or work as a subconsultant to those who do, building your capability now costs less than catching up under tender pressure.
Where Irish practices stumble
Based on the published guidance and what we see in training, the same problems come up:
Treating BIM as a software purchase. The mandate is about information requirements, standards and process.
Weak client briefs. Build Digital experts note that many clients struggle to define AIR correctly. A design firm that guides the client on what information operations will really need stands out.
Misaligned BEPs. A BEP that does not answer the EIR is a common reason for a poor tender score.
Messy model structure. No shared coordinates, inconsistent naming, unstructured worksets. These are fixable with training, and they cause real coordination pain on multi-discipline jobs.
Wrong person as Information Manager. See above.
Our perspective: the skill gap is practical, not theoretical
We train architects and technicians in Revit and AutoCAD, and the pattern is consistent. People rarely fail on the buttons. They struggle with the working method that sits behind them: how to set up a project so several people can work in one model, how to keep it clean, and how to get information out in a form somebody else can use.
That is why we think the mandate is good news for people who learn properly. A standards document tells you what to deliver. It does not teach you to set up shared levels and grids, manage worksets, name families sensibly or export a tidy IFC. Those are craft skills, and they are learned by building a real project from start to finish, making mistakes and fixing them.
Our advice to Irish practices and students:
Learn Revit properly first. You cannot manage information you cannot produce reliably. Do not skip fundamentals to chase certificates.
Learn collaboration early. Worksharing is not an advanced extra. On a public job with several disciplines it is how you work. Our Worksharing course exists for this reason.
Set up project information deliberately. Metadata, naming and parameters are where Uniclass and EIR requirements land. Our guide to Revit project information is a starting point.
Read one real EIR end to end. Build Digital publishes templates. Seeing the document your future clients will send is more instructive than any summary, including this one.
Keep your hardware honest. Large federated models are demanding, so check our Revit system requirements page before a purchase.
Most important: do not wait for a tender to find out what you cannot do. Practise on a project of your own, on your own time, before it costs you a bid.
— Steve
A practical skills plan for Irish professionals
What you need depends on where you are now.
Students and graduates
Start with Revit fundamentals and a complete small project: a house or a small commercial unit, taken from model to sheets to schedules. Then add IFC export and basic coordination. A structured plan helps, and our Revit learning path for Irish architects lays out 30 days. If you are heading toward technician work, see our guide to building a career as an architectural technician in Ireland.
Practising architects and technicians moving from CAD
You already know construction. What you need is the Revit workflow and the habits of data discipline. Move to intermediate and advanced content as soon as the fundamentals feel natural, then add worksharing and IFC.
Practice owners and project leads
Now is the time to audit your own information process. Look at your template library, your naming conventions, your last three project BEPs and who would be your Information Manager. Then train the team to match. Pick two or three milestones that are relevant to your usual project size. If you work in the €1 million to €5 million band, the dates that matter most are 1 January 2027 and 1 July 2027.
Training that fits the mandate
We built S15Studio as project-based online training for Revit and AutoCAD, led by Autodesk Certified Trainer Steve Fagan. Courses are one-time purchases with lifetime access to materials, completion certificates, downloadable notes and direct trainer support. There is a money-back guarantee, and our approach rests on 20 years of Autodesk-certified experience.
Current options, with prices as published on our site:
Course | Price |
€20 | |
€15 | |
€79 | |
€79 | |
from €100 | |
from €79 |
If you want one route that covers the software and exam preparation for the Autodesk Certified User credential, see Complete Revit and AutoCAD Training. For a first look at what we teach, the Autodesk Revit online training course overview is a good place to start. More articles are on our blog.
No course makes a practice ISO 19650 compliant. That takes process, roles and project-specific documentation. What a course does is make your people competent at the production and exchange side, which is where most of the practical difficulty lives.
FAQ
Is BIM mandatory in Ireland?
For public works projects delivered under the CWMF, BIM requirements are being phased in by project value, starting in January 2024. For private projects there is no general legal obligation. Private clients can still specify BIM in their own appointments.
Is BIM Level 2 mandatory in Ireland?
The mandate does not use the UK’s old Level 2 wording. It requires the ISO 19650 series, which replaced the earlier PAS 1192 standards, along with Uniclass, IFC and ICMS. If a tender document refers to PAS 1192-2, treat it as out of date and ask the client to clarify.
When does the mandate apply to smaller projects?
Design teams on public projects over €1 million are covered from 1 January 2027, and projects under €1 million from 1 July 2027. Contractors and supply chain on those tiers follow on 1 July 2027 and 1 January 2028. All dates depend on when the project enters Stage 1 of the CWMF.
Do I have to use Revit?
No. The requirements are standards and information deliverables, not a software brand. Revit is a widely used authoring tool, and you need to export clean IFC files whichever tool you use.
Who helps Irish firms with the mandate?
Build Digital, set up by the Irish Government in 2021 and working with five Irish universities, publishes guidance, templates and supports for the sector. The CWMF site hosts the official timeline and requirements.
Sources
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