Loft and cavity insulation in Lewisham

Loft and cavity wall insulation in Lewisham 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 Lewisham still owns about 14,116 council homes here, alongside housing association stock.

Lewisham at a glance

Council: London Borough of Lewisham
Region: London
Council homes: Council-owned, managed by the council
Approx. council homes: 14,116 (2020)
Housing standard: Decent Homes Standard (England)
Damp and mould timescales: Awaab's Law (since 27 Oct 2025)
Population: 305,309 (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 Lewisham?

The London Borough of Lewisham still owns council homes in Lewisham and manages them directly, funded through its Housing Revenue Account. The latest published figure we found is about 14,116 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 Lewisham?

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
Boarded walkways, hatch insulation and draught-proofing

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 Lewisham?

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 Lewisham?

Our guide range for cavity wall insulation in Lewisham 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 Lewisham

Does the London Borough of Lewisham still own council homes?

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

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

Do you also work near Lewisham?

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

Loft and cavity wall insulation in Lewisham