Period home loft insulation in Cornwall
We cover Cornwall for loft insulation for an older house. It starts with a free survey and a fixed written quote.
We work in Redruth, Falmouth, St Austell, Truro and Camborne and everywhere in between.

Where we work around Cornwall
We work across the Cornwall and Isles of Scilly council areas.
Postcode areas: EX, PL and TR.
| Councils | Cornwall and Isles of Scilly |
|---|---|
| Postcode areas | EX, PL, TR |
| Towns listed | 13 |
What is different about insulating an older home's loft?
We work from crawl boards spanning several joists so the ceilings are not loaded, check for loose plaster keys before anything is laid, and usually recommend vapour-open insulation such as sheep's wool or wood fibre. Unfelted slate roofs are naturally well ventilated, but they let in wind-driven rain and snow, which the insulation has to cope with. More about loft insulation for an older house.
- Breathable insulation where it suits the building
- Chimney breasts and party walls kept clear of combustibles where flues are live
- Ceiling-safe working from crawl boards
Why book with us in Cornwall
No pressure selling
You get everything in writing and decide in your own time.
Tank and pipes protected
Every insulation job includes a tank jacket and pipe lagging, so nothing freezes in a colder loft.
Boarding done properly
Storage boards go on loft legs, never straight onto the insulation.
Photos of the finished loft
You see the work done without climbing the ladder.
How much does loft insulation for an older house cost in Cornwall?
Installing insulation in a home is zero-rated for VAT until 31 March 2027 and 5% after that, under HMRC's rules for energy-saving materials (notice 708/6).
Building regulations in England
In England, a loft insulated across more than half its area should reach a U-value of 0.16 W/m²K. Insulation alone is not usually notified to building control. How the rules work across the UK.
Questions about loft insulation for an older house in Cornwall
How do I book a survey in Cornwall?
Send the form or call us. We call back to agree a time and confirm it in writing.
Are your prices the same across Cornwall?
Yes. Our guide prices are the same everywhere we work, and they include normal travel. Your fixed price depends on your loft, not your postcode.
Can loft insulation damage lath-and-plaster ceilings?
It can if people kneel between joists or if the ceiling is already weak. We work from boards and check the ceiling first.
What is the best loft insulation for an old house?
Usually a vapour-open material such as sheep's wool or wood fibre, laid so moisture can still move. Mineral wool is also vapour-open and works in many period lofts at lower cost.
