Room-in-roof insulation in Mitcham
If you need room-in-roof insulation in Mitcham, we can help, and it starts with a free survey and a fixed written quote.
Postcode districts we cover here include CR4, SM4 and SW17, inside the Merton council area.

Where we work around Mitcham
Mitcham is about 7 miles from central London as the crow flies.
We work in neighbouring Morden, Wimbledon, Streatham and Carshalton too.
| Postcode districts | CR4, SM4, SW17, SW19 |
|---|---|
| Council area | Merton |
| County or area | Greater London |
What is room-in-roof insulation?
Most rooms-in-roof are reached by stripping the existing plasterboard on the slopes, fitting insulation between and over the rafters, and re-boarding. The room will need redecorating. More about room-in-roof insulation.
- Boarding and finishing as agreed on the quote
- Insulation to slopes, knee walls and flat ceiling
- Eaves voids insulated where accessible
Why book with us in Mitcham
We measure before we quote
Existing depth, joist spacing, wiring and the tank are checked, not guessed.
Clear contact details
Your quote says who to call with questions before, during and after the work.
Plain-English advice
We explain what we find in plain English, and say so when nothing needs doing.
Tidy work
Dust sheets on the route in and every bit of packaging taken away.
How much does room-in-roof insulation cost in Mitcham?
Part of this work can be zero-rated as energy-saving materials until 31 March 2027, and part is standard-rated. If VAT applies, your quote shows which is which.
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 room-in-roof insulation in Mitcham
Will I get a written quote for work in Mitcham?
Yes. Every quote is in writing with the work, the price and what is included, so you can compare it properly.
Do you take on jobs outside Mitcham?
Yes. We also work in Morden and Wimbledon and elsewhere in Greater London.
Can you visit Mitcham 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.
Will the room get smaller?
Slightly. Insulated plasterboard over the rafters takes a few centimetres off each slope.
How long does room-in-roof insulation take?
Usually three to six working days for one room, depending on how much is stripped and how it is finished.
