The Insulation Company helps homeowners arrange loft-insulation assessments, quotations and installation services across the UK.
Northern Ireland · Northern Ireland
Belfast grew rapidly as an industrial and shipbuilding city, and its terraced streets show it. The red-brick Victorian 'kitchen house' — the small two-up two-down built in huge numbers for mill and yard workers — defines areas like the Shankill, Falls and east Belfast, alongside grander Edwardian bay-fronted terraces in the Holylands and off the Ormeau and Antrim roads. Interwar and post-war housing fills the outer estates, with suburban semis toward the hills and newer apartments near the docks. That mix means loft work here is rarely one standard job.
We help homeowners across Belfast and the surrounding area arrange loft assessments and quotations, and connect them with installation. Depending on the service, work may be completed by The Insulation Company or an approved installation partner.
Belfast's kitchen-house terraces typically have small, shallow lofts with awkward access over a steep stair and thin insulation laid years ago and since compressed. The larger Edwardian terraces of the Holylands and Ormeau area have more generous roofs but are often in multiple occupation, which affects access. Much of the wider stock is interwar and post-war semi-detached housing across the outer city, typically carrying ageing wool that suits a top-up, frequently with storage boards laid straight onto the joists. Newer apartments near the Titanic Quarter raise their own questions about who is responsible for the roof space.
Belfast's wetter, milder Atlantic climate makes ventilation and condensation worth close attention. Packing insulation hard into the eaves of an older kitchen-house terrace can block what little airflow the roof has and encourage condensation, so we keep the eaves clear and treat ventilation and insulation as one question. On older terraced roofs we assess how the covering and any ageing felt are coping before recommending a build-up.
The damp Atlantic climate makes condensation and mould common in poorly ventilated Belfast lofts, especially in small kitchen-house roofs. Insulation alone will not cure a moisture problem, so we check for the real cause — airflow, a leak or an extractor venting into the loft — before recommending work.
In Belfast, cost is driven mainly by loft access on small terraced houses, whether old insulation needs removing, and any boarding or ventilation work. Parking on narrow terraced streets can also be a factor.
Many Belfast lofts already have some insulation. Where it is sound we can top it up to a suitable wool build-up; where it is damp, contaminated or compressed we remove and replace it. A short assessment tells you which applies.
These are examples of our work elsewhere, shown to illustrate what a project involves. They did not necessarily take place in Belfast.
Emma's front and rear bedrooms, split by a central chimney breast, both cooled quickly. We insulated the 40m² floor on both sides of the chimney to a full 300mm depth.
Example from our project library
Tom noticed condensation on the bedroom windows and rapid overnight heat loss. We gave his compact 31m² loft a full 300mm Knauf glass mineral wool layer, fitted carefully around the hatch and low edge bays.
Example from our project library
Peter's upstairs ran consistently colder than the ground floor even after a heating service. The 46m² loft was almost completely uninsulated, so we installed a full 300mm Knauf glass mineral wool layer from hatch to gable.
Example from our project library
We help homeowners across Belfast and nearby towns, from the Shankill, Falls and east Belfast to the Holylands, Ormeau and the outer estates, as well as Lisburn, Newtownabbey and Holywood. Request an assessment and we'll confirm coverage for your postcode.
Usually, yes, though a small, shallow loft with awkward access changes the method and material choice. We assess the space, keep the eaves clear for airflow and recommend a suitable build-up rather than forcing a standard approach.
The damp Atlantic climate makes ventilation important, and small terraced roofs are especially prone to condensation. If you have noticed staining or mould, we look at the cause — airflow, a leak or an extractor venting into the loft — because insulation alone will not fix a moisture problem.
Customer feedback
Feedback from customers who have used our insulation services.
Great service from start to finish. The team were friendly, professional and completed the work to a high standard…
Really happy with the service. The team were friendly, turned up on time and got the job done with no fuss. Everything was left clean and tidy, and we can already feel the difference.
Absolutely great work. Honestly, they were so easy to work with, there were no hassles and a great job was completed. Would highly recommend.
Quality service and great people as well. They also undercut all my other quotes. Would highly recommend.
Great service with great prices. I felt very comfortable letting them get on with the insulation. No mess was left behind, and it was definitely needed with the horrible weather.
Excellent experience from beginning to end. The team were approachable, knowledgeable and delivered work of an outstanding…
