Whole-house retrofit · Northern Ireland

Whole-house retrofit in Belfast

If you have a funded retrofit project in Belfast, we can price the measures, confirm certification arrangements in writing and deliver to programme.

We take on whole-house retrofit in Belfast for the Housing Executive, housing associations and supported housing providers, managing every trade ourselves and working to the timescales in your order. Social homes in Belfast are owned by the Northern Ireland Housing Executive and housing associations.

Belfast at a glance

Council: Belfast City Council
Nation: Northern Ireland
Council homes: Housing Executive and housing associations
Housing standard: Decent Homes Standard (NI)
Damp and mould timescales: No timescale law found
Population: 342,560 (2020 estimate)
Regional price factor: 0.90 (our estimate)

In Northern Ireland the Housing Executive, not the council, is the public landlord. Population: ONS 2020 mid-year estimate.

Who owns the social homes in Belfast?

In Northern Ireland, councils are not housing authorities. Social homes in Belfast are owned by the Northern Ireland Housing Executive and by registered housing associations, which are regulated by the Department for Communities.

What do we cover in Belfast?

Coordination with your retrofit assessor and retrofit coordinator
Windows and doors, draught-proofing and airtightness details
Ventilation upgrades to match the improved airtightness
Heating: heat pumps, controls and emitters where specified
Resident liaison through a disruptive programme

How do we deliver it?

Photo evidence is taken at each stage of each measure, including the details that end up hidden behind finishes, because funding audits usually ask for it.

Which rules apply in Belfast?

PAS 2035:2023 sets the whole-house retrofit process (assessment, coordination, design, installation and evaluation), and PAS 2030:2023 covers installation. Most government-backed retrofit schemes require both, with TrustMark lodgement.

Decent Homes Standard (NI) · More about whole-house retrofit

What does whole-house retrofit cost in Belfast?

Our guide range for whole-house retrofit towards EPC C in Belfast is £12,150–£21,250 per home. That is the UK range of £13,500–£23,600 (published figure) adjusted by a regional cost factor of 0.90 (our own estimate); figures are before VAT where the source states it. Every job is priced after survey; specification, access and the condition of the homes will move the figure.

Questions about whole-house retrofit in Belfast

Who is the social landlord in Belfast?

Can you take on whole-house retrofit in Belfast as a subcontractor?

Yes. Main contractors working for social landlords in Belfast can engage us as a tier-2 subcontractor for whole-house retrofit, working under their systems and their client's specification.

Which housing standard applies in Belfast?

In Northern Ireland, the Housing Executive and registered housing associations work to the Northern Ireland Decent Homes Standard, which the Department for Communities consulted on revising in 2025–26.