0800 088 6248
CavityWallInsulationUKCAVITYWALLINSULATIONUK.CO.UK
Cavity wall insulationCavity wall suitability surveyCavity wall insulation removalCavity insulation top-upDamp investigation after cavity insulationBonded polystyrene bead insulationBlown mineral wool insulationParty wall cavity insulationBorescope cavity inspectionCavity wall insulation for landlordsGrant and funding checkLoft insulation
Coventry · West Midlands

Cavity wall insulation in Coventry

Cavity wall insulation fills the gap between the two leaves of a brick or block wall with a certified insulating material, blown in through small holes drilled from outside. In Coventry we follow the England rules on building notices and self-certification, and confirm the route on your quote.

Free survey in Coventry

Covering Coventry and the CV1 district. Tell us about the property and we will arrange a free survey and a fixed price.

Enter a UK postcode.
Choose a service.
Enter your name.
Enter a phone number with at least 10 digits.
Enter a valid email address.

We use your details only to answer this enquiry and arrange your visit, sharing them only with the registered installer we appoint for your job and the providers named in our privacy notice. No marketing lists, no cold calls.

Cavity wall insulation for Coventry properties

Coventry is among the towns we cover in the West Midlands, alongside Solihull, Sutton Coldfield and Birmingham. It is roughly 17 miles east of Birmingham.

Coventry properties with rendered or painted walls get a closer look at the outer finish, because cracked render can let rain behind it. For semi-detached and terraced homes in Coventry, cavity barriers are fitted where your wall meets your neighbour's so the fill stays on your side.

Before any material is chosen, exposure is checked. The West Midlands has a mix of moderate and more exposed sites. Hilltop, coastal and west-facing walls take the brunt of wind-driven rain, so the survey records exposure for each elevation before a material is chosen.

On compliance, in Coventry filling a cavity is notifiable building work and needs a building notice or competent-person self-certification.

Funding in England

In England, ECO4 runs to 31 December 2026 and Warm Homes: Local Grant supports low-income households through councils.

Sources: GOV.UK: extending the ECO4 end date, government response; GOV.UK: Warm Homes Plan.

Which material goes in?

Usually blown mineral wool or bonded polystyrene beads, both third-party certified for cavity fill. The survey picks the system that suits your cavity width, wall condition and exposure zone, not whichever is cheapest on the day. Old-style urea-formaldehyde foam is not used.

What is included in Coventry

  • Building regulations route for your nation, confirmed in writing
  • Certified mineral wool or bonded bead system
  • Suitability survey with photos and a written result
  • Drilling, filling and colour-matched making good

Guide prices for Coventry

Cavity wall insulation guide prices
Cavity wall insulation guide pricesGuide price
Detached house£2,295–£3,795
Semi-detached house£1,495–£2,495
End-terrace house£1,295–£2,195
Detached bungalow£1,295–£2,195
Semi-detached bungalow£895–£1,595
Mid-terrace house£795–£1,395

No VAT is charged on installing insulation in homes until 31 March 2027 (then 5%). Guide ranges only: the fixed price is confirmed in writing before any work starts, and anything that could not be seen at survey is agreed with you first.

From enquiry to finish in Coventry:

  1. Send your details

    A minute online, or call the free number.

  2. We check the walls

    Construction, cavity width, debris, damp and wind-driven rain exposure.

  3. You decide

    Plain-English result and a fixed price, with no pressure to book.

  4. Job done properly

    Holes made good, paperwork handed over, guarantee details confirmed.

Last reviewed 19 October 2026.

Cavity wall insulation in Coventry: questions

How much does cavity wall insulation cost in Coventry?

Our guide ranges for cavity wall insulation are shown on this page. The fixed price for your Coventry property is confirmed in writing after the survey, before any work starts.

Do you cold-call in Coventry?

No. We only come out when you have asked us to. If someone cold-calls offering free insulation, check before you agree to anything.

Which building regulations route applies in Coventry?

Coventry is in England, so filling a cavity is notifiable building work and needs a building notice or competent-person self-certification. We confirm the route in writing on your quote.

Do you work on rented homes in Coventry?

Yes. Landlords and agents in Coventry can book batch visits, and work is arranged around tenants.

Nearby towns

Book a free survey in Coventry

Free survey with an install quote. Written result. Fixed price before any work.