Last reviewed 25 September 2026
Why does one room feel colder than the rest of the house?
A practical way to turn an uncomfortable room into a clearer property conversation, without assuming one cause before the home is considered.
Read the guideExpert-reviewed homeowner guides
Clearer information before you decide what to do next.
Practical guides about surveys, existing cavity insulation and preparing useful property information—reviewed for clarity before publication.
Tell us what is worrying you. Thermorite will confirm eligibility and the next step.
Latest guidance
Guides for a more informed property conversation.
Each guide explains a homeowner question in plain English and keeps the limits of any property-specific decision clear.
Last reviewed 25 September 2026
What happens after you request a cavity survey?
A straightforward guide to what the online request starts, what Thermorite checks and why a submitted form is not a confirmed appointment.
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Last reviewed 25 September 2026
Questions to ask before discussing cavity insulation extraction
A plain-English checklist to help homeowners keep an extraction conversation tied to their own property, visible findings and agreed scope.
Read the guideLast reviewed 25 September 2026
What photos can help before a cavity survey?
A practical guide to the optional property photos that may add useful context—without making images or paperwork a barrier to requesting help.
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Last reviewed 25 September 2026
What if you do not know what is inside your walls?
How to start a helpful conversation about an unknown cavity, old drill holes or a missing property history without needing to guess first.
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Last reviewed 25 September 2026
Leave it, rectify it, extract it or review it later?
A homeowner-friendly explanation of the four possible conversations a property-specific cavity survey may lead to—and why none should be assumed too early.
Read the guideLast reviewed 4 September 2026
What can a cavity wall survey show?
A straightforward guide to what an accessible cavity inspection can help clarify—and the limits of what any selected inspection point can establish.
Read the guideLast reviewed 4 September 2026
What to collect before a cavity survey
A practical checklist for homeowners who have reports, photos or a partial history of earlier work—without making paperwork a barrier to asking for help.
Read the guideLast reviewed 4 September 2026
When to ask about existing cavity insulation
How to turn cold rooms, visible symptoms or uncertainty about earlier work into a clearer, property-specific survey conversation.
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Free cavity surveys within 80 miles of Spalding
Concerned about existing insulation? Start with a free cavity survey.
Tell Thermorite what you are noticing and share the property postcode. The team will review the details, confirm eligibility and contact you about a visit.