Loft and cavity wall insulation · South East
Loft and cavity wall insulation in Portsmouth
If homes in Portsmouth have thin loft insulation or failed cavity fill, we can survey, price and put it right.
We take on loft and cavity wall insulation in Portsmouth for Portsmouth City Council, housing associations and supported housing providers, managing every trade ourselves and working to the timescales in your order. Portsmouth City Council still owns council homes here, alongside housing association stock.
Portsmouth at a glance
- Council
- Portsmouth City Council
- Region
- South East
- Council homes
- Council-owned, managed by the council
- Housing standard
- Decent Homes Standard (England)
- Damp and mould timescales
- Awaab's Law (since 27 Oct 2025)
- Population
- 214,692 (2020 estimate)
- Regional price factor
- 1.10 (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 Portsmouth?
Portsmouth City Council still owns council homes in Portsmouth and manages them directly, funded through its Housing Revenue Account. Housing associations also own and manage social homes in the area, and we can work for both.
What do we cover in Portsmouth?
- Cavity suitability survey, including borescope inspection
- 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
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 Portsmouth?
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 Portsmouth?
Our guide range for cavity wall insulation in Portsmouth is £1,050–£2,950 per home. That is the UK range of £950–£2,700 (published figure) adjusted by a regional cost factor of 1.10 (VOA Rating Cost Guide 2026: 1.05–1.15); 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 Portsmouth
Does Portsmouth City Council still own council homes?
Portsmouth City Council still owns council homes in Portsmouth and manages them directly, funded through its Housing Revenue Account. Housing associations also own and manage social homes in the area, and we can work for both.
Can you take on loft and cavity wall insulation in Portsmouth as a subcontractor?
Yes. Main contractors working for social landlords in Portsmouth 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 Portsmouth?
Yes. We take on loft and cavity wall insulation across the South East, including Gosport, Havant, Fareham and Eastleigh, and in every other UK nation.
Other works we carry out in Portsmouth
- Housing disrepair works
- Bathroom replacement programmes
- Window and door replacement
- Heating upgrades and heat pumps
- Estate and external works
- Cyclical and external decoration
- Fire door installation and remediation
- Whole-house retrofit
- Supported and sheltered housing refurbishment
- Aids and adaptations
- Brickwork, pointing and render repairs
- Electrical remedial works and rewires