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Greater Manchester · England

Existing insulation and guarantee check in Greater Manchester

For homes, landlords and businesses in Greater Manchester, an insulation and guarantee check comes with a clear price and a plain-English record. 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.

Old cavity insulation drill holes, filled with mortar, spaced across a brick wall

Book an insulation check in Greater Manchester

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Existing insulation and guarantee check across Greater Manchester

We cover 34 towns in Greater Manchester, including Manchester, Oldham, Wigan, Bolton, Stockport and more.

Every elevation is judged on its own exposure. Greater Manchester has a mix of moderate and more exposed sites. Hilltop, coastal and west-facing walls take the brunt of wind-driven rain, so the survey records exposure for each elevation before a material is chosen.

A survey in Greater Manchester gives you facts before anyone drills: what the wall is, what is in the cavity and whether it is sound. The written result for your Greater Manchester property is plain English: what we found, what it means and what, if anything, to do next.

Building Regulations in England

Filling an existing cavity wall is notifiable building work in England. Either a building notice goes to building control before the work, or the installer self-certifies it through a government-approved competent person scheme such as CIGA's CWISC scheme. The insulation used must also be suitable for the wall it goes into, which is why the survey checks construction, condition and exposure first.

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

How to tell if a house already has cavity insulation

Look for a regular pattern of small patched holes in the mortar joints, often about a metre apart. Check the EPC, which may say 'filled cavity'. Ask the seller for a guarantee. The reliable answer is a borescope check, because patched holes can be from a fill that was later removed and EPCs are sometimes wrong.

What is included

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

Existing insulation and guarantee check prices in Greater Manchester

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.

From enquiry to finish in Greater Manchester:

  1. Get in touch

    Online, by phone or WhatsApp.

  2. Your price

    Confirmed in writing before you book.

  3. The visit

    Carried out at an agreed time, with photos of what we find.

  4. Your report

    Plain English, with any follow-on work quoted separately.

Last reviewed 19 October 2026.

Existing insulation and guarantee check in Greater Manchester: questions

Do you cover all of Greater Manchester?

Yes. We cover 34 towns across Greater Manchester, including Manchester, Oldham, Wigan and Bolton, and the villages around them. Island and remote addresses are surveyed by arrangement.

Do you work on rented homes in Greater Manchester?

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

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

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.

How soon can you visit in Greater Manchester?

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.

Existing insulation and guarantee check in nearby areas

Book an insulation check in Greater Manchester

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