Loft InsulationInstallers

Room-in-roof insulation in Brighton

Brighton is part of the area we cover in East Sussex. For room-in-roof insulation, you get a free survey and a fixed written quote.

We cover the BN1, BN3 and BN2 postcode districts, in the Brighton and Hove council area.

Guide price £3,995 to £8,995 Brighton, East Sussex
An attic room being insulated

Where we work around Brighton

Other towns close by include Portslade, Rottingdean, Peacehaven and Lewes.

Postcode districtsBN1, BN3, BN2, BN41
Council areaBrighton and Hove
County or areaEast 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. The room will need redecorating. 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 Brighton

No pressure selling

You get everything in writing and decide in your own time.

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.

Clear contact details

Your quote says who to call with questions before, during and after the work.

Photos of the finished loft

You see the work done without climbing the ladder.

How much does room-in-roof insulation cost in Brighton?

£3,995 to £8,995One room-in-roof, depending on size and finish. Free survey and a fixed written quote before any work.

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.

Work out a guide price for your loft

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 Brighton

Do you cover all of BN1?

Yes, we cover the BN1 postcode district and the districts around Brighton.

Do you charge extra to travel to Brighton?

Not normally. Our guide prices include normal travel to Brighton. If an address needs a ferry or an unusually long journey, we tell you the cost before you book.

Can a landlord in Brighton 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 the room get smaller?

Slightly. Insulated plasterboard over the rafters takes a few centimetres off each slope.

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.

Room-in-roof insulation in other towns

Other loft work in Brighton

Find out what your loft needs

Free survey and a fixed written quote for installation work. Guide prices first if you prefer.