Loft and cavity wall insulation · London

Loft and cavity wall insulation in Westminster

We install loft and cavity wall insulation in social homes in Westminster, after a survey that checks the wall and loft are suitable.

Loft and cavity wall insulation in Westminster is carried out by our site teams and specialist subcontractors under our management, with photographs, notes and certificates on every job. The City of Westminster still owns about 11,755 council homes here, alongside housing association stock.

Westminster at a glance

Council: City of Westminster
Region: London
Council homes: Council-owned, managed by the council
Approx. council homes: 11,755 (2020)
Housing standard: Decent Homes Standard (England)
Damp and mould timescales: Awaab's Law (since 27 Oct 2025)
Population: 269,848 (2020 estimate)
Regional price factor: 1.22 (VOA 2026)

Council housing status from Housing Revenue Account records (MHCLG and the 2012 HRA list, updated for later transfers) and council publications, checked October 2026. Population: ONS 2020 mid-year estimate.

Who owns the social homes in Westminster?

The City of Westminster still owns council homes in Westminster and manages them directly, funded through its Housing Revenue Account. The latest published figure we found is about 11,755 council homes (2020). Housing associations also own and manage social homes in the area, and we can work for both.

What do we cover in Westminster?

Extraction of failed or unsuitable cavity fill
Loft insulation top-ups to current recommended depths
Boarded walkways, hatch insulation and draught-proofing
Loft ventilation checks and remedial vents
Pipe and tank insulation

Loft and cavity wall insulation in a social home

How do we deliver it?

No home is filled without a suitability survey. A cavity that should not have been filled becomes a damp complaint, and then a disrepair case.

Which rules apply in Westminster?

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 (England) · More about loft and cavity wall insulation

What does loft and cavity wall insulation cost in Westminster?

Our guide range for cavity wall insulation in Westminster is £1,150–£3,300 per home. That is the UK range of £950–£2,700 (published figure) adjusted by a regional cost factor of 1.22 (VOA Rating Cost Guide 2026: inner London 1.17–1.32, outer London 1.08–1.26); 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 loft and cavity wall insulation in Westminster

Does the City of Westminster still own council homes?

Which housing standard applies in Westminster?

Social homes in England must meet the Decent Homes Standard, enforced through the Regulator of Social Housing's Safety and Quality Standard. A reformed standard, confirmed in January 2026, must be met by 2035 at the latest.

Do you also work near Westminster?

Yes. We take on loft and cavity wall insulation across London, including Kensington and Chelsea, Camden, Hammersmith and Fulham and the City of London, and in every other UK nation.