List Of All insulation contractor Leads in Belfast
This page lists 12 insulation contractor in Belfast, each with an address, phone number, and rating where available. Ratings run as high as 5.0★ (held by Clever Insulation Belfast - Loft Insulation Northern Ireland - Affordable Warmth Scheme Approved), with an average of roughly 4.4★ across all listings. Updated 8/22/2026 — scroll down to compare the full list and follow through to whichever business suits your needs.
12 results · last updated 8/22/2026
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| Name | Phone | Links | Reviews | Category | |
|---|---|---|---|---|---|
| Clever Insulation Belfast - Loft Insulation Northern Ireland - Affordable Warmth Scheme ApprovedGallery Building, 65-69 Dublin Rd, Belfast BT2 7HG | *8***99••••1 | in**••••*.comRegister to View | 5.0(88 reviews) | Insulation Contractor | |
| One Step Insulation LtdUnit 15 Avondale Business Pk, Avondale Dr, Ballyclare BT39 9AU | **89***••••9 | in**••••co.ukRegister to View | 5.0(63 reviews) | Insulation Contractor | |
| Alan Wright Loft Insulation Services28 Kalendra Ct, Dungannon BT71 6EB | *78****••••1 | al**••••*.comRegister to View | 5.0(11 reviews) | Insulation Contractor | |
| Protherm Insulation Services LtdOffice 19, Townsend Enterprise Park, 28 Townsend St, Belfast BT13 2ES | *78*8*7••••4 | — | 4.7(3 reviews) | Insulation Contractor | |
| Certainfil Cavity Insulation3 Fairway Gardens, Malone, Belfast BT9 5NP | **89**8••••5 | in**••••co.ukRegister to View | 4.6(63 reviews) | Insulation Contractor | |
| Alpha Insulation Ltd20 Annahavil Rd, Dungannon BT71 4BU | *78*99*••••7 | in**••••co.ukRegister to View | 4.6(12 reviews) | Insulation Contractor | |
| Encon Insulation and Nevill Long BelfastUnits 1 and 2 Pinebank Channel Commercial Park, Queens Rd, Belfast BT3 9DT | **89***••••6 | cr****••••co.ukRegister to View | 4.0(4 reviews) | Building materials supplier | |
| Northern Loft Insulation Ltd18a Prospect Rd, Carrickfergus BT38 8QB | **89***••••0 | — | 3.9(11 reviews) | Insulation Contractor | |
| WARMFILL LTD18A Shore Rd, Holywood BT18 9HX | **89***••••3 | — | 3.7(13 reviews) | Insulation Contractor | |
| Belfast Insulation Company Ltdbelfastinsulation.com | **89***••••1 | in**••••*.comRegister to View | 3.4(21 reviews) | Insulation Contractor | |
| Energy Insulation Ltd28 Townsend St, Belfast BT13 2ES | **89***••••2 | — | — | Insulation Contractor | |
| S E Insulation LtdKennedy Way Industrial Estate, UNIT 7 THE GLENAND CENTRE, 5 Blackstaff Rd, Belfast BT11 9DT | **89*6*••••7 | — | — | Insulation Contractor |