Room-in-roof insulation in Worthing
If you need room-in-roof insulation in Worthing, we can help, and it starts with a free survey and a fixed written quote.
That includes addresses in BN11, BN14 and BN13, which fall under West Sussex council.

Where we work around Worthing
Worthing is about 22 miles from Crawley as the crow flies.
We also cover Lancing, Shoreham-by-Sea, Littlehampton and Bognor Regis.
| Postcode districts | BN11, BN14, BN13, BN12 |
|---|---|
| Council area | West Sussex |
| County or area | West Sussex |
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. Dormer cheeks and roofs are included where they can be reached. More about room-in-roof insulation.
- Insulation to slopes, knee walls and flat ceiling
- Eaves voids insulated where accessible
- Boarding and finishing as agreed on the quote
Why book with us in Worthing
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.
No pressure selling
You get everything in writing and decide in your own time.
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 Worthing?
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 Worthing
Can you visit Worthing 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 soon can you visit a home in Worthing?
We call you back to agree a time that suits you, and confirm the date in writing. Availability changes week to week, so we will give you the earliest slot we have.
What do I need to do before you arrive in Worthing?
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.
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.
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.
