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Enniskillen · County Fermanagh

Cavity insulation for new builds and extensions in Enniskillen

For new walls the cavity is insulated as it is built, using full-fill mineral wool batts or partial-fill boards fixed to the inner leaf. We cover Enniskillen and the wider BT74 postcode district, with the survey, result and fixed price all in writing.

Free survey in Enniskillen

Covering Enniskillen and the BT74 district. Tell us about the property and we will arrange a free survey and a fixed price.

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Cavity insulation for new builds and extensions for Enniskillen properties

If your property is in Enniskillen or the BT74 district or nearby Irvinestown and Lisnaskea, it is within our County Fermanagh coverage. Enniskillen is one of the main towns we cover in County Fermanagh.

If a wall in Enniskillen is not suitable, for example because of an undiagnosed damp patch or a very exposed gable, you are told so in writing with the reason. A suitable wall in Enniskillen is usually filled in a single day from outside, with drill holes made good to match the pointing.

Exposure matters for every cavity wall. Parts of County Fermanagh 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.

In terms of approvals, in Enniskillen 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.

What we work from

Your architect's or designer's specification and the energy calculation for the job. We match the product, thickness and fixing to that spec, keep cavities clean as the walls rise, and fit cavity trays, closers and stop ends where shown so the building control inspection goes smoothly.

What is included in Enniskillen

  • Coordination with your bricklayers
  • Clean-cavity working
  • Batts or boards to the specified U-value
  • Trays, closers and stop ends as drawn

Guide prices for Enniskillen

Cavity insulation for new builds and extensions guide prices
Cavity insulation for new builds and extensions guide pricesGuide price
Full-fill batts supplied and fitted, per m²£9–£16
Partial-fill boards supplied and fitted, per m²£14–£26

Prices are shown before any VAT; the VAT treatment for new-build work is confirmed on your quote. 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.

What happens next for an Enniskillen property:

  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 insulation for new builds and extensions in Enniskillen: questions

Is there VAT on cavity insulation for new builds and extensions in Enniskillen?

Building a new home is usually zero-rated when supplied by the builder; supply-only materials are standard-rated. The VAT treatment is confirmed on your quote.

Are there grants for insulation in Enniskillen?

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.

How much does cavity insulation for new builds and extensions cost in Enniskillen?

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

Which building regulations route applies in Enniskillen?

Enniskillen is in Northern Ireland, so inserting cavity wall insulation needs a building control application to the council before work starts. We confirm the route in writing on your quote.

Nearby towns

Book a free survey in Enniskillen

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