Loft InsulationInstallers

Room-in-roof insulation in Devon

Homes and buildings across Devon can book room-in-roof insulation, starting with a free survey and a fixed written quote.

We work in Plymouth, Exeter, Paignton, Torquay and Newton Abbot and everywhere in between.

Guide price £3,995 to £8,995 Devon
An attic room being insulated

Where we work around Devon

Council areas covered: Devon, Plymouth and Torbay.

Postcodes starting EX, PL and TQ are all inside our area.

CouncilsDevon, Plymouth and Torbay
Postcode areasEX, PL, TQ
Towns listed15

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 Devon

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.

Photos of the finished loft

You see the work done without climbing the ladder.

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

£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 Devon

How do I book a survey in Devon?

Send the form or call us. We call back to agree a time and confirm it in writing.

Do you cover the whole of Devon?

Yes. We cover every town and village in Devon, including Plymouth, Exeter and Paignton.

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.

Room-in-roof insulation in other towns

Other loft work in Devon

Find out what your loft needs

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