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How does the Freeview coverage checker predict if I am in coverage?
About Freeview availability
How does the Freeview coverage checker predict if I am in coverage?
Freeview uses a database managed by Digital UK which has divided the country into small cells or pixels. Each pixel is 100 metres square. When an address is entered the database returns a "yes" result to a coverage enquiry if a multiplex (a group of channels) is predicted to be available 70% or more of the area covered by the address and the coverage in the area is protected from co-channel interference 99% of the time. Please note that it is a prediction. In a few cases the prediction might be wrong.
The database also indicates when the digital signal in the area being checked is being broadcast using a different frequency band from the existing analogue broadcasts. If this is the case the coverage checker will recommend an aerial upgrade.
The coverage checker only gives a 'no' result if the database indicates that the area for the address being checked fails to meet the criteria set out above. If there is no data available (i.e. for a new housing estate whose postcode is not in the database) then the coverage checker will say that no information is available.
For more information on how to get the best Freeview reception in your area we suggest you get in touch with the following organisations who can give you details of one or more members who operate in your area and guarantee their work:
A local installer will understand the circumstances and local geography in your area and suggest the best option available to you.
The database updates on average every 6 months and each update takes into account any changes to the postcode dataset (as supplied by the Royal Mail) as well as any changes to the transmitter network (as advised by Arqiva & SDN who operate the transmitter stations).
Changes to the transmitter network would normally mean either adding new digital transmitter or relay stations or increasing power output at existing stations to allow the signal to travel further.
The database assumes that your aerial is external and mounted at least 10 metres above ground level.
Misleading coverage information
The Freeview predictive coverage checker gives you a good indication of whether you'll be able to receive Freeview. However it is not a guarantee but a prediction based on an area 100 square metres around your postcode. There might be some properties where Freeview cannot be received, because of the exact location of the property and other local factors.
We recommend that you check with your retailer that you can get a refund on your set top box, if these local factors prevent you from receiving Freeview.
The coverage checker says Freeview is unavailable in my area, but my neighbour has it.
The Freeview coverage checker is a predictive service check based on the location of your property in relation to the local digital transmitter station and the strength of the transmitters signal. In some cases the signal might carry further than predicted particularly if there are no geographical features in its path.
However, the signal received within the predicted coverage area may be weak and susceptible to interference. Viewers receiving such a signal often do not get the full range of channels.