External wall insulation · Northern Ireland

External wall insulation in Lisburn and Castlereagh

We install external wall insulation on social homes in Lisburn and Castlereagh, with the detailing at windows, eaves and ground level that makes it last.

Social landlords in Lisburn and Castlereagh can appoint us for external wall insulation, from a single home to a programme. Social homes in Lisburn and Castlereagh are owned by the Northern Ireland Housing Executive and housing associations. We work to the Northern Ireland Decent Homes Standard and to your own specification.

Lisburn and Castlereagh at a glance

Council: Lisburn and Castlereagh 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: 146,452 (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 Lisburn and Castlereagh?

In Northern Ireland, councils are not housing authorities. Social homes in Lisburn and Castlereagh 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 Lisburn and Castlereagh?

Moving services, downpipes, meters and fittings
Window reveal, cill, eaves and ground-level detailing
Fire breaks and non-combustible materials where the design requires them
Scaffold, protection and resident liaison
Handover with system guarantee documents

External wall insulation in a social home

How do we deliver it?

We photograph every stage, including fixings and mesh laps that will be hidden, because funders and system holders ask for it.

Which rules apply in Lisburn and Castlereagh?

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 external wall insulation

What does external wall insulation cost in Lisburn and Castlereagh?

Our guide range for external wall insulation in Lisburn and Castlereagh is £9,000–£16,650 per house. That is the UK range of £10,000–£18,500 (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 external wall insulation in Lisburn and Castlereagh

Who is the social landlord in Lisburn and Castlereagh?

Do you also work near Lisburn and Castlereagh?

Yes. We take on external wall insulation across Northern Ireland, including Belfast, Antrim and Newtownabbey, Ards and North Down and Newry, Mourne and Down, and in every other UK nation.

Which housing standard applies in Lisburn and Castlereagh?

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.