Whole-house retrofit · London
Whole-house retrofit in Harrow
Retrofit programmes in Harrow work when insulation, airtightness and ventilation are planned together. We install to the design your coordinator signs off.
Whole-house retrofit in Harrow 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 Harrow still owns about 4,824 council homes here, alongside housing association stock.
Harrow at a glance
- Council
- London Borough of Harrow
- Region
- London
- Council homes
- Council-owned, managed by the council
- Approx. council homes
- 4,824 (2020)
- Housing standard
- Decent Homes Standard (England)
- Damp and mould timescales
- Awaab's Law (since 27 Oct 2025)
- Population
- 252,338 (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 Harrow?
The London Borough of Harrow still owns council homes in Harrow and manages them directly, funded through its Housing Revenue Account. The latest published figure we found is about 4,824 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 Harrow?
- Coordination with your retrofit assessor and retrofit coordinator
- Windows and doors, draught-proofing and airtightness details
- Ventilation upgrades to match the improved airtightness
- Heating: heat pumps, controls and emitters where specified
- Handover data for lodgement and post-installation evaluation

How do we deliver it?
Photo evidence is taken at each stage of each measure, including the details that end up hidden behind finishes, because funding audits usually ask for it.
Which rules apply in Harrow?
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 whole-house retrofit
What does whole-house retrofit cost in Harrow?
Our guide range for whole-house retrofit towards EPC C in Harrow is £16,450–£28,800 per home. That is the UK range of £13,500–£23,600 (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 whole-house retrofit in Harrow
Does the London Borough of Harrow still own council homes?
The London Borough of Harrow still owns council homes in Harrow and manages them directly, funded through its Housing Revenue Account. The latest published figure we found is about 4,824 council homes (2020). Housing associations also own and manage social homes in the area, and we can work for both.
Can you take on whole-house retrofit in Harrow as a subcontractor?
Yes. Main contractors working for social landlords in Harrow can engage us as a tier-2 subcontractor for whole-house retrofit, working under their systems and their client's specification.
Which housing standard applies in Harrow?
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.
Other works we carry out in Harrow
- Brickwork, pointing and render repairs
- Estate and external works
- Kitchen replacement programmes
- Responsive repairs
- Void property works
- Electrical remedial works and rewires
- Housing disrepair works
- Planned maintenance and Decent Homes works
- Loft and cavity wall insulation
- Damp and mould remediation
- Aids and adaptations
- Acquisition and temporary accommodation refurbishment