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Greenford · Greater London

Existing insulation and guarantee check in Greenford

Existing insulation and guarantee check in Greenford is priced before you book, and what we find is written up with photos. An existing insulation check tells you whether a cavity is filled, what with, whether it looks dry and intact, and how to trace any guarantee.

Book an insulation check in Greenford

Covering Greenford and the UB6 district. Tell us about the property. We confirm the price before you book.

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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.

Existing insulation and guarantee check for Greenford properties

If your property is in Greenford or the UB6 district or nearby Northolt, Southall and Wembley, it is within our Greater London coverage. It is around 10 miles west of London.

A survey in Greenford gives you facts before anyone drills: what the wall is, what is in the cavity and whether it is sound. Every inspection point in Greenford is photographed and logged, so you have a record to show a buyer, lender or contractor.

Exposure matters for every cavity wall. Much of Greater London sits in the more sheltered driving-rain zones of the UK, which widens the choice of fill. Exposed elevations, coastal sites and high ground still get checked wall by wall.

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

Rules in England

Filling a cavity is notifiable building work and needs a building notice or competent-person self-certification if insulation work follows.

Sources: Planning Portal: cavity wall insulation and building regulations; CIGA: CWISC competent person scheme.

Tracing a guarantee

Many cavity fills carry a 25-year guarantee from the Cavity Insulation Guarantee Agency (CIGA). CIGA can confirm whether a property is covered and can issue a duplicate guarantee for a fee; at the time of writing that fee is £60 including VAT, and proof of ownership is required.

What is included in Greenford

  • Guidance on tracing a guarantee
  • Damp signs inside and out
  • Short written report
  • Visual check of walls and patched holes

Guide prices for Greenford

Existing insulation and guarantee check guide prices
Existing insulation and guarantee check guide pricesGuide price
Existing insulation and guarantee check£145–£245

This work is not insulation, so it is normally standard-rated for VAT. Guide prices include VAT where it applies. 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 an insulation and guarantee check in Greenford:

  1. Tell us what is happening

    Postcode, property type and what you have noticed.

  2. Price agreed first

    We confirm the price before anyone visits.

  3. Visit and checks

    Photos and readings at the areas that matter.

  4. Findings in writing

    What we found and the options, each priced separately.

Last reviewed 19 October 2026.

Existing insulation and guarantee check in Greenford: questions

What will I get from an insulation and guarantee check in Greenford?

A visit at an agreed price, photos of what we find, and a written summary in plain English. Any follow-on work is priced separately so you can choose who does it.

Do you work on rented homes in Greenford?

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

How soon can you visit in Greenford?

We arrange dates when you get in touch. Availability varies through the year, so we give you real dates rather than a promise on the website.

How much does an insulation and guarantee check cost in Greenford?

Guide prices are shown on this page, and the price for your Greenford property is confirmed before you book.

Nearby towns

Book an insulation check in Greenford

Priced before you book. Findings in writing. No cold calls.