What does radon remediation involve?
Approaches can include a radon sump or changes to under-floor ventilation. The appropriate method depends on the building, floor construction and measured result. A contractor should explain why a proposed solution suits the property.
UKradon warns that simple sealing or extra ventilation alone may not adequately reduce radon. Use its official reduction guidance as a starting point, not as a substitute for an assessment.
What should I ask a contractor?
- Relevant experience: Have you worked on buildings with this floor type and a similar measured result?
- Proposed method: Why is it appropriate, and what alternatives have you considered?
- Complete quote: What installation, electrical work, maintenance and ongoing costs are included?
- Verification: How will a follow-up radon measurement assess the result?
- Aftercare: What happens if the follow-up result remains elevated?
These are Radon Map Check's suggested comparison questions for UK householders. A listing, when available, will not replace your own checks.
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Remediation questions
Should I arrange work from a map result?
A map describes area probability. Use a measured result and suitable advice to assess whether remediation is appropriate. Start with testing guidance if you have no measurement.
How much will remediation cost?
Cost depends on the building and the proposed work. Obtain a current, itemised quote. Radon Map Check does not publish unverified prices or promise a particular result.
Does completed work replace retesting?
No. A follow-up measurement is needed to assess the effect of the work. Agree a testing plan with the contractor or measurement provider.