Internal Wall Insulation

Upgrade solid-wall homes with premium internal insulation boards for warmer rooms, lower bills and a smoother, paint-ready finish.

🏠 Ideal for older solid-wall homes 💡 Energy-efficient comfort 🎯 Meets UK building regs ✅ Knauf certified install

Why choose IWI?

Reduce heat loss through solid external walls for a warmer, more stable home.

Keep heat in so your boiler runs less — savings stack up every month.

Remove cold spots; rooms feel consistent from corner to corner.

Layers add damping — enjoy quieter interiors.

Use less energy and shrink your footprint.

Boards taped & skimmed — ready to decorate.

Wall area to insulate (sqm):

Selected area: 25 sqm

Guide price (@ £60/sqm): £15.00

Final quote after survey. Multi-room projects may vary with detailing.

We use Knauf insulation boards and quality fixings. Certificate on completion.

York Leeds Sheffield Kingston upon Hull Bradford Ripon Harrogate Wetherby Wakefield Doncaster Huddersfield Pickering

How long does IWI take?

Typical rooms complete in 2–4 days depending on size and detailing.

Will I lose much room space?

Expect ~50–70mm build-up including board and skim.

Do you handle sockets/radiators?

Yes — we extend services, refit radiators and make good.

Does it reduce damp?

IWI warms internal surfaces; we'll advise on ventilation too.

Book your Internal Wall Insulation survey — we'll respond within 24 hours.