Loft and cavity wall insulation · London

Loft and cavity wall insulation in Wandsworth

If homes in Wandsworth have thin loft insulation or failed cavity fill, we can survey, price and put it right.

Loft and cavity wall insulation in Wandsworth is carried out by our site teams and specialist subcontractors under our management, with photographs, notes and certificates on every job. The London Borough of Wandsworth still owns about 16,906 council homes here, alongside housing association stock.

Wandsworth at a glance

Council: London Borough of Wandsworth
Region: London
Council homes: Council-owned, managed by the council
Approx. council homes: 16,906 (2020)
Housing standard: Decent Homes Standard (England)
Damp and mould timescales: Awaab's Law (since 27 Oct 2025)
Population: 329,735 (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 Wandsworth?

The London Borough of Wandsworth still owns council homes in Wandsworth and manages them directly, funded through its Housing Revenue Account. The latest published figure we found is about 16,906 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 Wandsworth?

Cavity suitability survey, including borescope inspection
Cavity wall insulation injection
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?

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 Wandsworth?

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 Wandsworth?

Our guide range for cavity wall insulation in Wandsworth 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 Wandsworth

Does the London Borough of Wandsworth still own council homes?

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

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

Which housing standard applies in Wandsworth?

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.