Loft and cavity wall insulation · London

Loft and cavity wall insulation in the City of London

Social landlords in the City of London can use us for insulation top-ups and for extracting failed cavity fill that is causing damp.

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

City of London at a glance

Council: City of London Corporation
Region: London
Council homes: Council-owned, managed by the council
Housing standard: Decent Homes Standard (England)
Damp and mould timescales: Awaab's Law (since 27 Oct 2025)
Population: 10,938 (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 the City of London?

The City of London Corporation owns council homes, most of them on estates in neighbouring London boroughs, and manages them through its Housing Revenue Account. Housing associations also own social homes in the area, and we can work for both.

What do we cover in the City of London?

Cavity suitability survey, including borescope inspection
Cavity wall insulation injection
Extraction of failed or unsuitable cavity fill
Loft insulation top-ups to current recommended depths
Pipe and tank insulation

Loft and cavity wall insulation in a social home

How do we deliver it?

Loft work includes checking that the eaves are still ventilating once the new insulation is down, because blocked eaves cause condensation in the roof space.

Which rules apply in the City of London?

Warm Homes: Social Housing Fund Wave 3 (£1.29bn for 2025–2028, plus up to £295m more for 2026/27) requires delivery under PAS 2035/2030, TrustMark-registered installers and, for heat pumps and solar, MCS certification. The fund is closed to new applications.

Decent Homes Standard (England) · More about loft and cavity wall insulation

What does loft and cavity wall insulation cost in the City of London?

Our guide range for cavity wall insulation in the City of London 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 the City of London

Does the City of London Corporation still own council homes?

Do you also work near the City of London?

Yes. We take on loft and cavity wall insulation across London, including Islington, Tower Hamlets, Southwark and Hackney, and in every other UK nation.

Which housing standard applies in the City of London?

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.