Loft InsulationInstallers

Room-in-roof insulation in Barnet

Looking for room-in-roof insulation in Barnet? We cover Barnet and the rest of Greater London, with a free survey and a fixed written quote.

We cover the EN5, EN4 and N20 postcode districts, which fall under Barnet council.

Guide price £3,995 to £8,995 Barnet, Greater London
An attic room being insulated

Where we work around Barnet

Barnet is about 10 miles from central London as the crow flies.

Nearby, we also cover Finchley, Edgware, Enfield and Wood Green.

Postcode districtsEN5, EN4, N20, N12
Council areaBarnet
County or areaGreater London

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
  • Boarding and finishing as agreed on the quote
  • Eaves voids insulated where accessible

Why book with us in Barnet

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.

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 Barnet?

£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 Barnet

Do you take on jobs outside Barnet?

Yes. We also work in Finchley and Edgware and elsewhere in Greater London.

Will I get a written quote for work in Barnet?

Yes. Every quote is in writing with the work, the price and what is included, so you can compare it properly.

Do you charge extra to travel to Barnet?

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

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.

Will the room get smaller?

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

Room-in-roof insulation in other towns

Other loft work in Barnet

Find out what your loft needs

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