Room-in-roof insulation in Porthcawl
Porthcawl is part of the area we cover in Mid Glamorgan. For room-in-roof insulation, you get a free survey and a fixed written quote.
We cover postcodes including CF36 and CF33, in the Bridgend council area.

Where we work around Porthcawl
As the crow flies, Porthcawl is roughly 17 miles from Rhondda.
Nearby, we also cover Bridgend, Maesteg and Tonypandy.
| Postcode districts | CF36, CF33 |
|---|---|
| Council area | Bridgend |
| County or area | Mid Glamorgan |
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.
- Insulation to slopes, knee walls and flat ceiling
- Boarding and finishing as agreed on the quote
- Eaves voids insulated where accessible
Why book with us in Porthcawl
Plain-English advice
We explain what we find in plain English, and say so when nothing needs doing.
Clear contact details
Your quote says who to call with questions before, during and after the work.
No pressure selling
You get everything in writing and decide in your own time.
Tidy work
Dust sheets on the route in and every bit of packaging taken away.
How much does room-in-roof insulation cost in Porthcawl?
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 Porthcawl
Do you take on jobs outside Porthcawl?
Yes. We also work in Bridgend and Maesteg and elsewhere in Mid Glamorgan.
How do I pay for work in Porthcawl?
Payment terms are set out on your quote. We never ask for payment on the doorstep or in cash.
Do you charge extra to travel to Porthcawl?
Not normally. Our guide prices include normal travel to Porthcawl. If an address needs a ferry or an unusually long journey, we tell you the cost before you book.
Can it be done without removing the plasterboard?
Sometimes the flat ceiling and eaves voids can be reached from behind. The slopes almost always need the boards off to insulate them properly.
Will the room get smaller?
Slightly. Insulated plasterboard over the rafters takes a few centimetres off each slope.
