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Powys · Wales

Cavity wall insulation for landlords in Powys

For landlords, filling an empty cavity is usually one of the lowest-cost ways to improve an EPC rating. Our Powys coverage includes Newtown, Brecon, Welshpool and the towns around them.

Row of red brick terraced houses with party walls rising through the roofline

Free survey in Powys

Tell us about the property and we will arrange a free survey and a fixed price.

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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 landlords across Powys

We cover 4 towns in Powys: Newtown, Brecon, Welshpool and Llandrindod Wells.

Every elevation is judged on its own exposure. Parts of Powys face some of the heaviest wind-driven rain in the UK, especially exposed coastal and upland sites. Here the survey is stricter: some walls suit only certain certified systems, and some should not be filled at all.

For commercial buildings in Powys, the survey also considers building use and fire requirements before a material is specified. For landlords and managing agents in Powys, we survey in batches and return a result sheet and fixed price per address.

Building Regulations in Wales

In Wales, filling an existing cavity is also notifiable building work under the Building Regulations as they apply in Wales. A registered installer normally self-certifies it through a competent person scheme; otherwise a building notice goes to your council's building control before work starts. Welsh rules can differ from England's, so the notification route is confirmed in writing on your quote.

Funding in Wales

  • Warm Homes Nest offers free improvements, including insulation, to eligible low-income owner-occupiers and private renters; eligibility was widened to some households without means-tested benefits.
  • Green Homes Wales has been piloting advice and interest-free loans for households above the Nest and ECO4 income thresholds.
  • ECO4 runs until 31 December 2026 across Great Britain, including Wales.

Sources: Welsh Government: building work competent person schemes; CIGA: CWISC competent person scheme; Welsh Government: issues arising from cavity wall insulation installations; Welsh Government: warmer and more energy efficient homes (July 2026); GOV.UK: extending the ECO4 end date, government response.

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

  • Batch surveys
  • Per-property result sheet
  • Fixed prices per address
  • Tenant-friendly booking
  • Photo records for your files

Cavity wall insulation for landlords prices in Powys

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 Powys:

  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 for landlords in Powys: questions

Do you cover all of Powys?

Yes. We cover 4 towns across Powys, including Newtown, Brecon, Welshpool and Llandrindod Wells, and the villages around them. Island and remote addresses are surveyed by arrangement.

Do you cold-call in Powys?

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

Is my Powys home too exposed for cavity insulation?

Parts of Powys get some of the heaviest wind-driven rain in the UK, so the survey is stricter and some walls are better left unfilled. The survey records the exposure of each wall before recommending a material, or recommending against filling.

Is there VAT on cavity wall insulation for landlords in Powys?

Installing insulation in a home is currently zero-rated for VAT until 31 March 2027, then 5%. Commercial buildings are standard-rated.

Cavity wall insulation for landlords in nearby areas

Book a free survey in Powys

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