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Feltham · Greater London

Cavity wall insulation for landlords in Feltham

For landlords, filling an empty cavity is usually one of the lowest-cost ways to improve an EPC rating. We cover Feltham and the wider TW14 postcode district, with the survey, result and fixed price all in writing.

Free survey in Feltham

Covering Feltham and the TW14 district. Tell us about the property and we will arrange a free survey and a fixed price.

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Cavity wall insulation for landlords for Feltham properties

We cover Feltham and the TW14 postcode district, including nearby Hanworth, Hounslow and Hampton. It is around 13 miles west of London.

For commercial buildings in Feltham, the survey also considers building use and fire requirements before a material is specified. Blocks of flats in Feltham are surveyed as a whole, because the cavity runs across every flat in the building.

Every elevation is judged on its own exposure. Much of Greater London sits in the more sheltered driving-rain zones of the UK, which widens the choice of fill. Exposed elevations, coastal sites and high ground still get checked wall by wall.

In terms of approvals, in Feltham 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.

How we work with portfolios

One contact, one schedule. We survey in batches, return a simple sheet per address, and book installs around your tenants. Access arrangements and tenant notices are handled with your agent if you prefer.

What is included in Feltham

  • Per-property result sheet
  • Tenant-friendly booking
  • Batch surveys
  • Fixed prices per address

Guide prices for Feltham

Cavity wall insulation for landlords guide prices
Cavity wall insulation for landlords 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.

The steps for cavity wall insulation for landlords in Feltham:

  1. Get in touch

    Online, by phone or WhatsApp, whichever suits you.

  2. Survey visit

    The surveyor checks each wall and looks into the cavity where needed.

  3. Your result in writing

    What we found, what it means, and a fixed price if work is needed.

  4. Booked work

    Carried out by the installer named on your quote, with their scheme registrations.

Last reviewed 19 October 2026.

Cavity wall insulation for landlords in Feltham: questions

Which building regulations route applies in Feltham?

Feltham 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.

How soon can you visit in Feltham?

We arrange dates when you get in touch. Availability varies through the year, so we give you real dates rather than a promise on the website.

Is my Feltham home too exposed for cavity insulation?

Much of Greater London is in the more sheltered driving-rain zones, but exposed and coastal sites are still checked carefully. The survey records the exposure of each wall before recommending a material, or recommending against filling.

How much does cavity wall insulation for landlords cost in Feltham?

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

Nearby towns

Book a free survey in Feltham

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