Existing insulation and guarantee check for Cambridge properties
Cambridge is among the towns we cover in Cambridgeshire, alongside Newmarket, Ely and Huntingdon. Cambridge is one of the main towns we cover in Cambridgeshire.
Buyers and sellers in Cambridge often book this check when a survey report or EPC raises questions about the walls. Where a Cambridge wall shows cold patches or damp, the survey targets those areas first rather than sampling at random.
Local weather affects which walls can be filled. Much of Cambridgeshire 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.
For regulations, if cavity wall insulation follows in Cambridge, 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 Cambridge
- Borescope checks
- Visual check of walls and patched holes
- Short written report
- Damp signs inside and out
Guide prices for Cambridge
| Existing insulation and guarantee check guide prices | Guide 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.
How it works in Cambridge:
Tell us what is happening
Postcode, property type and what you have noticed.
Price agreed first
We confirm the price before anyone visits.
Visit and checks
Photos and readings at the areas that matter.
Findings in writing
What we found and the options, each priced separately.