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Grays · Essex

Damp investigation after cavity insulation in Grays

A damp investigation finds out why an insulated wall is showing damp or mould: rain getting in through defects, bridged or wet fill, debris in the cavity, a breached damp-proof course, or condensation. In Grays the visit is priced up front, and any follow-on work is quoted separately so you can choose.

Book a damp investigation in Grays

Covering Grays and the RM17 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.

Damp investigation after cavity insulation for Grays properties

Grays sits in Essex, roughly 19 miles south of Chelmsford. We work across the RM17 district, including nearby South Ockendon, Stanford-le-Hope and Basildon.

Where a Grays wall does need work, bricks are lifted and rebuilt in matching mortar, and the cavity is checked with a camera before it is closed up. Damp in an insulated Grays home is not always the insulation's fault, so the diagnosis comes before any extraction.

Exposure matters for every cavity wall. Much of Essex 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.

As for paperwork, if cavity wall insulation follows in Grays, 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.

What you get

Moisture readings, borescope photos at the affected areas, an explanation of the likely cause and the options, from simple repairs to partial or full extraction, each priced.

What is included in Grays

  • External defects check
  • Moisture mapping inside
  • Borescope at affected areas
  • Cause and options in writing

Guide prices for Grays

Damp investigation after cavity insulation guide prices
Damp investigation after cavity insulation guide pricesGuide price
Damp investigation with borescope£295–£495

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 Grays:

  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.

Damp investigation after cavity insulation in Grays: questions

Do you cold-call in Grays?

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

Do you cover Grays?

Yes. Grays and the RM17 postcode district are within our Essex coverage, along with nearby South Ockendon and Stanford-le-Hope.

Do you work on rented homes in Grays?

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

How soon can you visit in Grays?

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.

Nearby towns

Book a damp investigation in Grays

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