Existing insulation and guarantee check for South Croydon properties
South Croydon sits in Greater London, about 10 miles south of London. We work across the CR2 district, including nearby Croydon, Purley and Wallington.
A survey in South Croydon gives you facts before anyone drills: what the wall is, what is in the cavity and whether it is sound. Where a South Croydon wall shows cold patches or damp, the survey targets those areas first rather than sampling at random.
Before any material is chosen, exposure is checked. 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 South Croydon, 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 South Croydon
- Borescope checks
- Damp signs inside and out
- Guidance on tracing a guarantee
- Short written report
Guide prices for South Croydon
| 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 South Croydon:
Get in touch
Online, by phone or WhatsApp.
Your price
Confirmed in writing before you book.
The visit
Carried out at an agreed time, with photos of what we find.
Your report
Plain English, with any follow-on work quoted separately.