Natural loft insulation in Clapham
Homes in Clapham get the same service as everywhere else we work in Greater London. For sheep's wool or natural loft insulation, that means a free survey and a fixed written quote.
Jobs in SW4, SW8 and SW11 are all within our normal area.

Where we work around Clapham
Clapham is about 3 miles from central London as the crow flies.
We also cover Battersea, Brixton, Chelsea and Streatham.
| Postcode districts | SW4, SW8, SW11, SW2 |
|---|---|
| County or area | Greater London |
What is sheep's wool or natural loft insulation?
Sheep's wool and wood fibre are vapour-open and can take up and release moisture. In an older house with lime plaster ceilings that helps keep the build-up breathable. More about sheep's wool or natural loft insulation.
- Sheep's wool or wood fibre to the agreed performance
- Crawl boards so weak ceilings are not loaded
- Eaves kept clear
Why book with us in Clapham
Tank and pipes protected
Every insulation job includes a tank jacket and pipe lagging, so nothing freezes in a colder loft.
Fixed written price
The price on the quote is the price you pay. It only changes if you change the job, or if we find something hidden, such as rot, and you agree the change in writing first.
Honest about grants
If you might qualify for funding, we tell you before we quote.
Plain-English advice
We explain what we find in plain English, and say so when nothing needs doing.
How much does sheep's wool or natural loft insulation cost in Clapham?
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 sheep's wool or natural loft insulation in Clapham
Can a landlord in Clapham book work for a tenanted house?
Yes. We can arrange access with the tenant directly and send you photos once the work is finished.
Will I get a written quote for work in Clapham?
Yes. Every quote is in writing with the work, the price and what is included, so you can compare it properly.
Can you visit Clapham outside working hours?
Ask about early, late or weekend appointments when you get in touch, and we will tell you honestly what we can offer.
How deep does natural insulation need to be?
It depends on the product's thermal conductivity. Some need slightly more depth than mineral wool to reach the same U-value, which we allow for on the quote.
Do moths eat sheep's wool insulation?
Insulation-grade sheep's wool is treated against insects. We use products sold for loft insulation, not raw fleece.
