Rafter insulation in Gloucestershire

Where we work around Gloucestershire

We work across the Gloucestershire and South Gloucestershire council areas.

Postcodes starting BS and GL are all inside our area.

Councils	Gloucestershire and South Gloucestershire
Postcode areas	BS, GL
Towns listed	8

What is rafter insulation?

Because the whole roof slope, the gables and the party walls now have to be insulated, this costs much more than insulating the floor and saves less heat for the money. We check the roof underlay first: a breathable membrane and a felt with no ventilation gap need different build-ups to avoid condensation. More about rafter insulation.

Insulated plasterboard lining where specified
Vapour control layer where the design needs one
Rigid insulation between the rafters, joints taped

Why book with us in Gloucestershire

Plain-English advice

We explain what we find in plain English, and say so when nothing needs doing.

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.

We measure before we quote

Existing depth, joist spacing, wiring and the tank are checked, not guessed.

How much does rafter insulation cost in Gloucestershire?

£1,645 to £2,595About 30 m² of roof slope. 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 rafter insulation in Gloucestershire

Can you quote for several properties in Gloucestershire?

Yes. Landlords and agents can send a list of addresses and we will survey them in as few visits as we can.

Which council covers my address in Gloucestershire?

Councils in Gloucestershire include Gloucestershire and South Gloucestershire. Your council matters for building control questions and some funding schemes.

Will it cause condensation?

It can if the build-up is wrong for the roof. Old bitumen felt needs a ventilation gap behind the insulation; a modern breathable membrane may not. We check before we design it.

Can I use the loft as a bedroom after rafter insulation?

Insulation alone does not make a loft habitable. Fire escape, stairs, floor strength and headroom all come into a conversion, which needs building control.