External wall insulation in Merton

External wall insulation in Merton is carried out by our site teams and specialist subcontractors under our management, with photographs, notes and certificates on every job. Most social homes in Merton belong to housing associations after the council transferred its stock.

Merton at a glance

Council: London Borough of Merton
Region: London
Council homes: Transferred to housing associations
Approx. council homes: 83 (2020)
Housing standard: Decent Homes Standard (England)
Damp and mould timescales: Awaab's Law (since 27 Oct 2025)
Population: 206,453 (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 Merton?

Most social homes in Merton are owned by housing associations, following the transfer of the council's homes to housing association ownership. The London Borough of Merton remains the strategic housing authority, with duties on homelessness and housing need.

What do we cover in Merton?

Survey of walls, services and details before design
Moving services, downpipes, meters and fittings
Window reveal, cill, eaves and ground-level detailing
Fire breaks and non-combustible materials where the design requires them
Handover with system guarantee documents

External wall insulation in a social home

How do we deliver it?

Residents are told when their wall will be worked on and what will be moved. Satellite dishes, meters and pipes are relocated and restored as part of the scope.

Which rules apply in Merton?

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 external wall insulation

What does external wall insulation cost in Merton?

Our guide range for external wall insulation in Merton is £12,200–£22,550 per house. That is the UK range of £10,000–£18,500 (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 external wall insulation in Merton

Does the London Borough of Merton still own council homes?

Which housing standard applies in Merton?

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 external wall insulation in Merton as a subcontractor?

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