Loft and cavity insulation in Southwark

We take on loft and cavity wall insulation in Southwark for the London Borough of Southwark, housing associations and supported housing providers, managing every trade ourselves and working to the timescales in your order. The London Borough of Southwark still owns about 38,183 council homes here, alongside housing association stock.

Southwark at a glance

Council: London Borough of Southwark
Region: London
Council homes: Council-owned, managed by the council
Approx. council homes: 38,183 (2020)
Housing standard: Decent Homes Standard (England)
Damp and mould timescales: Awaab's Law (since 27 Oct 2025)
Population: 320,017 (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 Southwark?

The London Borough of Southwark still owns council homes in Southwark and manages them directly, funded through its Housing Revenue Account. The latest published figure we found is about 38,183 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 Southwark?

Cavity wall insulation injection
Extraction of failed or unsuitable cavity fill
Loft insulation top-ups to current recommended depths
Boarded walkways, hatch insulation and draught-proofing
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 Southwark?

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 Southwark?

Our guide range for cavity wall insulation in Southwark 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 Southwark

Does the London Borough of Southwark still own council homes?

Which housing standard applies in Southwark?

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.

Can you take on loft and cavity wall insulation in Southwark as a subcontractor?

Yes. Main contractors working for social landlords in Southwark can engage us as a tier-2 subcontractor for loft and cavity wall insulation, working under their systems and their client's specification.

Loft and cavity wall insulation in Southwark