Cavity Extraction Ltd

19/06/2026

💧 The damp keeps coming back... but is the repair actually fixing the problem?

Too often, homeowners spend thousands on repeated damp treatments, replastering, redecorating and mould removal — only for the issue to return months later.

The reason? Sometimes the visible symptoms are being treated, while the real defect remains hidden inside the cavity wall.

Our latest blog explores why repeat damp repairs can end up costing twice, what surveyors and contractors often miss, and why identifying the root cause is critical before spending more money on repairs.

Read the full article here:
👉 https://www.cavityextraction.com/post/the-repeat-damp-repair-is-the-repair-that-costs-you-twice

Cavity wall insulation removal is only the first step. Learn what should happen next: drying, defect repairs, verification and re-insulation decisions.

18/06/2026

Yet another failed insulation measure!!!

Our signatures were faked by an eco installer to get public money

09/06/2026

🔍 Can a property survey tell you exactly what's happening inside your cavity walls?

Not always.

A survey may highlight damp, mould, cold walls or other warning signs and suggest that cavity wall insulation could be a factor. But because the insulation sits hidden behind brickwork, its true condition often can't be confirmed without specialist investigation.

That's why some homeowners continue to experience problems despite having surveys carried out.

In our latest blog, we explain:

🏠 What surveys can and can't tell you
💧 Why failed insulation can remain hidden
🔎 How specialist inspections help uncover the real cause of damp and cold walls
✔️ Why evidence matters before deciding on remedial work

Consider this your essential Friday reading if you're dealing with persistent damp issues or buying a property with signs of moisture problems.

📖 Read more:
https://www.cavityextraction.com/post/a-survey-can-suspect-the-defect-but-it-cannot-see-through-brickwork

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“Further investigation” is not indecisionWhen a survey says further investigation recommended, sellers hear delay, buyers hear cost, and landlords hear another piece of admin.Usually, it means the surveyor is doing the right thing.RICS notes that retrofitted cavity wall insulation is often insta...

05/06/2026

🏠 Mould on the wall isn't always where the problem starts.

If you're constantly cleaning mould, repainting affected areas, or wondering why damp keeps returning, the cause could be hidden inside your cavity walls.

Failed cavity wall insulation can trap moisture and contribute to damp and mould issues throughout a property — even when the visible signs appear indoors.

In our latest blog, we explain:

🔍 Why mould is often a symptom, not the cause
💧 How moisture can become trapped inside cavity walls
🏡 What homeowners should look out for
⚠️ When it may be time to investigate the insulation itself

A little bit of essential Friday reading before the weekend if you're a homeowner concerned about damp, mould or insulation performance.

📖 Read more:
https://www.cavityextraction.com/post/when-the-mould-is-on-the-inside-but-the-failure-is-in-the-cavity

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The damp patch is not the diagnosisThe damp patch on your wall is not the diagnosis. It is the indicator.A cavity wall is supposed to stop moisture transferring from the outer leaf to the inner leaf. If that gap becomes bridged by rubble or badly performing insulation, rainwater can move across the....

02/06/2026

🏠 Just because your home is compliant doesn't mean it's performing properly.

We've worked on many properties where cavity wall insulation was installed to the required standards, but years later the insulation has deteriorated, become wet, and started causing serious problems.

Common signs include:

❌ Damp patches
❌ Mould growth
❌ Cold internal walls
❌ Higher heating bills
❌ Musty smells

In our latest blog, we explain why this can happen and what homeowners can do if failed cavity wall insulation is affecting their property.

📖 Read more here:
https://www.cavityextraction.com/post/a-home-that-is-legally-compliant-but-physically-failing

If you have concerns about your cavity wall insulation, we're always happy to offer advice.

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The drive to improve energy efficiency in social housing is intensifying, and it is creating a dangerous tactical divide. With budgets squeezed by Awaab’s Law and the Warm Homes Plan targeting rapid upgrades to EPC C, Decarbonation Teams & Asset Managers face a hard choice: fix the building, or fi...

17/05/2026

Failed insulation ruining your home!!
Don’t be embarrassed call in the experts!!

17/05/2026

For all your insulation problems!!

15/05/2026

Failed insulation causes damp / mould with health implications on the resident.

15/05/2026

Types and problems with cavity insulation