Loft and cavity wall insulation · South West
Loft and cavity wall insulation in Cornwall
If homes in Cornwall have thin loft insulation or failed cavity fill, we can survey, price and put it right.
Loft and cavity wall insulation in Cornwall is carried out by our site teams and specialist subcontractors under our management, with photographs, notes and certificates on every job. Council homes here are owned by Cornwall Council and managed by Cornwall Housing.
Cornwall at a glance
- Council
- Cornwall Council
- Region
- South West
- Council homes
- Council-owned, managed by Cornwall Housing
- Approx. council homes
- 10,400 (2026)
- Housing standard
- Decent Homes Standard (England)
- Damp and mould timescales
- Awaab's Law (since 27 Oct 2025)
- Population
- 573,299 (2020 estimate)
- Regional price factor
- 1.02 (our estimate)
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 Cornwall?
Cornwall Council owns its council homes, which are managed on its behalf by Cornwall Housing, an arm's-length management organisation (ALMO). The latest published figure we found is about 10,400 council homes (2026). Housing associations own further social homes in Cornwall.
What do we cover in Cornwall?
- Cavity suitability survey, including borescope inspection
- Cavity wall insulation injection
- Extraction of failed or unsuitable cavity fill
- Boarded walkways, hatch insulation and draught-proofing
- Pipe and tank insulation
How do we deliver it?
Where we extract failed fill, we inspect the wall ties and the cavity while it is open and report what we find.
Which rules apply in Cornwall?
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 Cornwall?
Our guide range for cavity wall insulation in Cornwall is £950–£2,750 per home. That is the UK range of £950–£2,700 (published figure) adjusted by a regional cost factor of 1.02 (our own estimate); 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 Cornwall
Does Cornwall Council still own council homes?
Cornwall Council owns its council homes, which are managed on its behalf by Cornwall Housing, an arm's-length management organisation (ALMO). The latest published figure we found is about 10,400 council homes (2026). Housing associations own further social homes in Cornwall.
Do you also work near Cornwall?
Yes. We take on loft and cavity wall insulation across the South West, including Plymouth, West Devon, Torridge and the South Hams, and in every other UK nation.
Which housing standard applies in Cornwall?
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 Cornwall
- Estate and external works
- Communal area refurbishment
- Roofing and rainwater goods
- Brickwork, pointing and render repairs
- External wall insulation
- Kitchen replacement programmes
- Aids and adaptations
- Heating upgrades and heat pumps
- Electrical remedial works and rewires
- Fire stopping and compartmentation
- Planned maintenance and Decent Homes works
- Bathroom replacement programmes