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Free cavity wall surveys across mainland England, Scotland and Wales

After removal

What happens once the insulation is out: drying, deciding whether to re-insulate, making good the brickwork, and getting the ventilation right.

Old brick wall with soft, eroded lime mortar joints

Book a free survey

Four details and we do the rest. No charge, no obligation.

We reply within one working day to arrange a free survey and quote.

  • Checkatrade 9.74/10 from 141 reviews
  • TrustATrader 4.9/5 from 25 reviews

Scores for Remove Sprayfoam Limited, the company behind Cavity Reset.

Extraction is the middle of the job, not the end. When the vacuum stops you have a clear cavity and a wall that has been wet for a long time.

The right order is the one extraction specialists keep repeating: dry it, diagnose it, verify it, then decide. The quote sets that out for your house.

Book a free survey and we will tell you what your wall needs and what it costs.

Free survey

Book your free survey

We reply within one working day to arrange a free survey and quote.

  • Checkatrade 9.74/10 from 141 reviews
  • TrustATrader 4.9/5 from 25 reviews

Scores for Remove Sprayfoam Limited, the company behind Cavity Reset.

Or email [email protected]. Your details are used to answer you and for nothing else: see the privacy policy.

What happens next

  • A free survey first We check the wall inside and out and look into the cavity with a small camera. Then you get a fixed price in writing.
  • The insulation comes out Bricks come out at the base of the wall, the old fill is drawn out, and the bricks go back in, pointed to match.
  • A completion certificate You receive a completion certificate when the work is done. If a lender or surveyor has flagged a filled cavity, that certificate is what you show them.