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Dungannon · County Tyrone

Cavity insulation top-up in Dungannon

A cavity top-up fills voids left by an older installation: missed panels around windows, settled fibre, areas disturbed by an extension or new window. In Dungannon we follow the Northern Ireland rules on building control applications, and confirm the route on your quote.

Free survey in Dungannon

Covering Dungannon and the BT71 district. Tell us about the property and we will arrange a free survey and a fixed price.

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Cavity insulation top-up for Dungannon properties

Our County Tyrone coverage takes in Dungannon (BT71) and nearby Cookstown and Omagh. It is around 25 miles east of Omagh.

Most Dungannon houses built from the 1920s onwards have cavity walls, but the survey still checks each one: cavity width, debris, the condition of the brickwork and how exposed each wall is. For semi-detached and terraced homes in Dungannon, cavity barriers are fitted where your wall meets your neighbour's so the fill stays on your side.

Local weather affects which walls can be filled. Parts of County Tyrone 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 Dungannon 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.

When a top-up is not enough

If the existing fill is wet, contaminated with debris or breaking down, adding more on top can make things worse. In that case we tell you the honest option, which may be partial or full removal and refill.

What is included in Dungannon

  • Targeted fill with a compatible system
  • Making good
  • Borescope survey at several points
  • Map of filled and empty sections

Guide prices for Dungannon

Cavity insulation top-up guide prices
Cavity insulation top-up guide pricesGuide price
Detached house£1,295–£2,295
Semi-detached house£795–£1,495
End-terrace house£695–£1,295
Detached bungalow£695–£1,295
Semi-detached bungalow£595–£995
Mid-terrace house£595–£995

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 Dungannon:

  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 top-up in Dungannon: questions

Do you work on rented homes in Dungannon?

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

Are there grants for insulation in Dungannon?

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 top-up cost in Dungannon?

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

Do you cover Dungannon?

Yes. Dungannon and the BT71 postcode district are within our County Tyrone coverage, along with nearby Cookstown and Omagh.

Nearby towns

Book a free survey in Dungannon

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