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Are you buying a house in a radon affected area? Find out if it could make you sick for a fixed fee of £42 INC VAT. Report emailed within 2 working hours*.

The radon risk report checks if your property and the surrounding ones are located in an area which could put you at risk. It will also give you advice on where to get help.

Example of radon search report. SAM Conveyancing's Radon Search Guide

Radon Search

Andrew Boast of Sam Conveyancing
Last Updated: 10/06/2026
1,113
6 min read

The Radon search is an additional conveyancing search you can get when buying a property. These are essential to avoiding long-term health issues. After smoking, Radon is the second biggest cause of lung cancer in the UK.

Are you in need of a radon search? This article covers what Radon is, which areas of the UK are most affected, and what a professional Radon report covers.


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What is a radon search?

Radon search, often called a radon risk report, is an additional, specialist property search, which considers whether the house you are looking to buy is located within a radon affected area.

Radon is a naturally occurring radioactive gas which you cannot see, smell or taste and comes from rocks and soil in many places throughout the UK, but in some more than others. It can cause lung cancer, particularly in smokers and ex-smokers.

Cash buyers are not tied down to a mortgage lender's requirements, so they can choose for themselves which property searches to get. The recommendation to buy the radon risk report is normally flagged up within an Environmental or a Local Authority Search, if you choose to buy these.

If you are buying with a mortgage, your lender will require you to buy these two searches and, if a radon hazard is mentioned there, your lender might make it a condition for you to buy a radon risk report before getting a mortgage. Additionally, your solicitor may well be aware that the property you are examining is in a radon risk area and require you to book this search.

Radon Search Report


Do I need radon search?


    1
    Professional Opinion
If you suspect a property you're interested in buying is located in an affected area, then you will need a radon report. This first section of the report will highlight if there is a potential risk involving your property and if the answer is yes, then further action may be required. You will be able to read about:
  • Professional opinion
  • Search results
  • Site plan
The report gives an estimation of the probability that the property is above the action level for radon. The action level is the point where the volume of radon which may be present in buildings in the area might be a serious health risk. Even with a 'yes' it is not necessarily the case that the property has a radon problem.

The only way to be sure is to carry out a further individual radon measurement, which the Health Protection Agency recommends should be performed on any property found to be within a radon affected area.

    2
    Useful contacts
Service Provider
Address
Website
Service Provider
Public Health England / UKRadon
Address
Public information access office, Public Health England, Wellington House, 133-155 Waterloo Road, London, SE1 8UG
Website

This is the main authority which deals with radon, but you will be able to find more contacts in the example above.

    3
    Overview & recommendations
The report recommends that if the property in question is in a radon affected area, then you should ask the owner if they have previously taken a radon measurement. If they have, then you should find out if results were above the radon action level.

If so, then you should find out if remedial measures were installed and then if radon levels were subsequently retested and if the retest confirmed the effectiveness of the measures.

It is important to note that there is presently no public record of individual radon measurements: you can only obtain previous test results from the seller. Additionally, changes to a building or its use can significantly affect radon levels, particularly if they involve alterations to heating and ventilation.

Where is radon highest in UK?

You can check the radon map below, to see if you are located in an affected area.

Radon Search necessity map
    4
    Radon
In this section, you will find a site plan with a search buffer of up to 100 metres.

The radon search will not only analyse your property, but the surrounding ones as well. A percentage of properties estimated to be affected will be highlighted and based on this figure, further advice is offered. You will most likely need to perform a more in-depth radon test on your home.

Worried about buying in a radon affected area?
You can agree on a radon bond with the seller. This is a retained fund negotiated between the buyer and seller and allows for the purchase to go ahead without undue delay. Should radon reduction work be required then the purchaser is better protected, whereas if the result is low, then the seller does not lose sale proceeds.

The agreement should allow enough time for the test to be completed and for any subsequent work required to be carried.

Fixed fee of £42 INC VAT | Delivered within 2 working hours*
Frequently Asked Questions
WORRY
TEST
BUILDING
*This only applies to properties currently registered at the Land Registry with a downloadable title plan. If we cannot download a title plan we will inform you and refund the cost of the Report in full.

**You can cancel your search and get a full refund if the report has not yet been ordered. You cannot cancel and get a refund of any of the money if the search is ordered and/or if the report has been sent to you. Most of our reports are delivered within 2 working hours, which means if you do want to cancel, please get in contact as soon as possible.
Andrew Boast of Sam Conveyancing
Written by:

Andrew Boast FMAAT is a qualified accountant, conveyancing specialist and author with over 25 years of experience in the UK property sector. Since beginning his career in 2000 within established SRA and CLC-regulated conveyancing solicitor firms, Andrew has overseen the legal journeys of more than 75,000 clients.

He is the self-published author of the first-time buyer guide: How to Buy a House Without Killing Anyone, and a frequent contributor to mainstream UK media on legislative updates, property law, first-time buyer guides, conveyancing best practices, and stamp duty changes. Andrew specialises in resolving complex title issues, property conflict disputes, and property tax options, streamlining the enquiry process to reduce transaction times and maintaining a client-friendly focus.
Amanda Ambler Legal Content Reviewer & Senior Conveyancing Consultant
Reviewed by:

Amanda Ambler is a highly accomplished conveyancing specialist with over 15 years of dedicated experience across residential property law, legal compliance, and practice management. Having held senior roles, including Head of Legal Practice and Head of Conveyancing at established UK law firms, Amanda possesses a profound, hands-on understanding of the technical intricacies of the property market.

As the designated Legal Content Reviewer for SAM Conveyancing, Amanda ensures that every guide, legal update, and resource published meets the absolute highest standards of accuracy, regulatory compliance, and factual integrity. Her rigorous review process guarantees that complex property legislation and industry processes are communicated clearly, transparently, and safely for home buyers and sellers alike.

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