The Insulation Company helps homeowners arrange loft-insulation assessments, quotations and installation services across the UK.
East Midlands · England
Northampton made its name in boots and shoes, and its terraced streets were built for the trade. Victorian terraces fill Semilong, Kingsley, Abington and Far Cotton, interwar semis spread across Kingsthorpe and Weston Favell, and large post-war and expansion-era estates followed the town's designation for growth in 1968. That history leaves a broad mix of housing, so loft work here is rarely one standard job — a shallow terrace loft with compressed old wool needs a different approach from a 1970s estate house with a boarded hatch and existing insulation.
We help homeowners across Northampton and the surrounding East Midlands area arrange loft assessments, quotations and installation. Depending on the service, work may be completed by The Insulation Company or an approved installation partner.
The terraces of Semilong, Kingsley and Far Cotton often have compact lofts with limited headroom and awkward access, and insulation that has settled over many years. Northampton's interwar semis in Kingsthorpe and Abington typically carry thin original wool suited to a top-up, frequently with storage boards laid straight onto the joists. The town's large post-war and expansion-era estates in areas such as Weston Favell and Thorplands usually have some insulation already, so the question becomes whether adding depth, boarding or better ventilation is the more worthwhile step.
Northampton's older terraces were not built with modern ventilation in mind, so forcing insulation into the eaves can block airflow and encourage condensation. We keep the eaves clear and treat ventilation and insulation as a single question. Where original roofing felt sits beneath the tiles on the older streets, we check how the roof breathes before recommending a deeper build-up.
Condensation and damp complaints are common in poorly ventilated Northampton lofts, particularly in older terraces where extractors sometimes vent into the roof space. Insulation alone will not cure a moisture problem, so we identify the real cause — airflow, a leak or a misrouted extractor — before recommending work.
In Northampton, cost is driven mainly by loft access on terraced streets, whether old insulation needs removing, and any boarding or ventilation work. Parking and access on narrower inner-town roads can also add to the job.
Many Northampton 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 Northampton.
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 Northampton and the surrounding East Midlands, from Semilong, Kingsley and Far Cotton to Kingsthorpe, Weston Favell and Duston, as well as Wootton, Wellingborough and Towcester. Request an assessment and we'll confirm coverage for your postcode.
Usually, yes, though a cramped loft with tight access changes the method and the material choice. We assess the space, keep the eaves clear for airflow and recommend a suitable build-up rather than forcing a standard approach.
If you have noticed condensation or staining, it is worth checking. 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.
I’d highly recommend this company to anyone considering loft insulation. The team were reliable, friendly and gave…
Had my loft insulation done recently and honestly couldn’t be happier. The whole process was super smooth from start to…
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.
