Room-in-roof insulation in Llanelli
Homes in Llanelli get the same service as everywhere else we work in Dyfed. For room-in-roof insulation, that means a free survey and a fixed written quote.
We cover postcodes including SA15, which fall under Carmarthenshire council.

Where we work around Llanelli
We also cover Ammanford and Carmarthen.
| Postcode districts | SA15 |
|---|---|
| Council area | Carmarthenshire |
| County or area | Dyfed |
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 Llanelli
Plain-English advice
We explain what we find in plain English, and say so when nothing needs doing.
We measure before we quote
Existing depth, joist spacing, wiring and the tank are checked, not guessed.
Tidy work
Dust sheets on the route in and every bit of packaging taken away.
Clear contact details
Your quote says who to call with questions before, during and after the work.
How much does room-in-roof insulation cost in Llanelli?
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 Wales
Wales has its own Approved Document L. Insulation alone is not normally notified, but conversions need building control. How the rules work across the UK.
Questions about room-in-roof insulation in Llanelli
How do I pay for work in Llanelli?
Payment terms are set out on your quote. We never ask for payment on the doorstep or in cash.
What do I need to do before you arrive in Llanelli?
Clear a path to the hatch and, if you can, move stored items away from the area we will be working in. Tell us about anything heavy or fragile.
Do you take on jobs outside Llanelli?
Yes. We also work in Ammanford and Carmarthen and elsewhere in Dyfed.
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.
