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Price tool

Cavity wall insulation guide-price tool

Answer four quick questions for a guide price range, then book a free survey for a fixed price.

Guide-price tool
Property

1. What kind of property?

Job

2. What do you need?

Details

3. A few details

Storeys

Access to the walls

Extension walls too?

Wall condition

Location

4. Your guide price and free survey

Enter a UK postcode.
Enter your name.
Enter a phone number with at least 10 digits.
Enter a valid email address.

We will email or call to arrange your free survey, sharing your details only with the registered installer we appoint for your job. See our privacy notice.

Your guide price
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Sketch only. White dots show a typical drill pattern; the strip on the right is the wall section.

How the guide price is worked out

We estimate the external wall area for your property type and storeys, apply our guide rate per square metre for the work you chose, add any access allowance, and round to a range. Your real price depends on the survey, which also decides whether the wall is suitable at all.

Sources: Energy Saving Trust: cavity wall insulation; HMRC: VAT on energy-saving materials (Notice 708/6).