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Magherafelt · County Londonderry

Cavity wall insulation for landlords in Magherafelt

For landlords, filling an empty cavity is usually one of the lowest-cost ways to improve an EPC rating. In Magherafelt we follow the Northern Ireland rules on building control applications, and confirm the route on your quote.

Free survey in Magherafelt

Covering Magherafelt and the BT45 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 Magherafelt properties

Magherafelt sits in County Londonderry, about 31 miles south-east of Derry. We work across the BT45 district, including nearby Limavady, Coleraine and Derry.

For landlords and managing agents in Magherafelt, we survey in batches and return a result sheet and fixed price per address. Blocks of flats in Magherafelt are surveyed as a whole, because the cavity runs across every flat in the building.

Wind-driven rain is the first thing the surveyor weighs up. Parts of County Londonderry 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.

On compliance, in Magherafelt inserting cavity wall insulation needs a building control application to the council before work starts.

Funding in Northern Ireland

In Northern Ireland, the Affordable Warmth Scheme helps eligible households with a gross income under £23,000.

Sources: NI Housing Executive: Affordable Warmth Scheme; Utility Regulator: NI Sustainable Energy Programme.

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 Magherafelt

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

Guide prices for Magherafelt

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.

How it works in Magherafelt:

  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 Magherafelt: questions

Are there grants for insulation in Magherafelt?

In Northern Ireland, the Affordable Warmth Scheme helps eligible households with a gross income under £23,000. We cannot promise funding, but we will point you to the right official route.

Is the survey free in Magherafelt?

Yes when it is for an install quote. Standalone reports for Magherafelt buyers, sellers or landlords who do not need an install quote are priced before you book.

Do you work on rented homes in Magherafelt?

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

Is my Magherafelt home too exposed for cavity insulation?

Parts of County Londonderry 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.

Nearby towns

Book a free survey in Magherafelt

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