0800 088 6248
CavityWallInsulationUKCAVITYWALLINSULATIONUK.CO.UK
Cavity wall insulationCavity wall suitability surveyCavity wall insulation removalCavity insulation top-upDamp investigation after cavity insulationBonded polystyrene bead insulationBlown mineral wool insulationParty wall cavity insulationBorescope cavity inspectionCavity wall insulation for landlordsGrant and funding checkLoft insulation
Finchley · Greater London

Draught-proofing in Finchley

Looking for draught-proofing in Finchley? We survey first, name the installer, their scheme registrations and the guarantee on the quote, and only then book the work. Draught-proofing seals the gaps that let warm air out and cold air in, around doors, windows, letterboxes, loft hatches and skirting boards, while leaving planned ventilation alone.

Free survey in Finchley

Covering Finchley and the N3 district. Tell us about the property and we will arrange a free survey and a fixed price.

Enter a UK postcode.
Choose a service.
Enter your name.
Enter a phone number with at least 10 digits.
Enter a valid email address.

We use your details only to answer this enquiry and arrange your visit, sharing them only with the registered installer we appoint for your job and the providers named in our privacy notice. No marketing lists, no cold calls.

Draught-proofing for Finchley properties

We cover Finchley and the N3 postcode district, including nearby Muswell Hill, Cricklewood and Kilburn. It is roughly 7 miles north-west of London.

Small measures like this are often among the cheapest per pound saved, and they suit Finchley homes of every age. We check ventilation as carefully as insulation in Finchley homes, because both matter for keeping a house dry.

On the rules side, if cavity wall insulation follows in Finchley, filling a cavity is notifiable building work and needs a building notice or competent-person self-certification.

Funding in England

In England, ECO4 runs to 31 December 2026 and Warm Homes: Local Grant supports low-income households through councils.

Sources: GOV.UK: extending the ECO4 end date, government response; GOV.UK: Warm Homes Plan.

Ventilation still matters

Trickle vents, air bricks and extractor fans are there for a reason. We seal accidental gaps, not the ventilation your home needs to keep condensation down.

What is included in Finchley

  • Letterbox and keyhole covers
  • Skirting and floor gap sealing
  • Loft hatch seals
  • Door and window seals

Guide prices for Finchley

Draught-proofing guide prices
Draught-proofing guide pricesGuide price
Whole-house draught-proofing£195–£495
Doors and loft hatch only£145–£295

No VAT is charged on installing insulation in homes until 31 March 2027 (then 5%). Guide ranges only: the fixed price is confirmed in writing before any work starts, and anything that could not be seen at survey is agreed with you first.

The steps for draught-proofing in Finchley:

  1. Tell us about the property

    Postcode, property type and what you would like done.

  2. Free survey

    Access, condition, existing insulation and ventilation checked.

  3. Written result and price

    What we recommend and a fixed price before any work.

  4. Work and tidy-up

    Fitted at an agreed time, with ventilation kept clear.

Last reviewed 19 October 2026.

Draught-proofing in Finchley: questions

Do you work on rented homes in Finchley?

Yes. Landlords and agents in Finchley can book batch visits, and work is arranged around tenants.

Do you cover Finchley?

Yes. Finchley and the N3 postcode district are within our Greater London coverage, along with nearby Muswell Hill and Cricklewood.

Do you cold-call in Finchley?

No. We only come out when you have asked us to. If someone cold-calls offering free insulation, check before you agree to anything.

How much does draught-proofing cost in Finchley?

Our guide ranges for draught-proofing are shown on this page. The fixed price for your Finchley property is confirmed in writing after the survey, before any work starts.

Nearby towns

Book a free survey in Finchley

Free survey with an install quote. Written result. Fixed price before any work.