CH30 postcode district: Birkenhead and around, Wirral

CH30 is a postcode district in England, with 1 postcode in use in 1 sector. It has postcodes in Birkenhead. Its council is Wirral.

Postcodes in use: 1
Sectors: 1
Council: Wirral
Places: Birkenhead

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Where it is

Latitude 53.3790

Longitude -3.0984

This is the middle of the postcodes in CH30. It is not a boundary: we do not draw one for a district.

Open this area on OpenStreetMap

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. How we use it

Is CH30 at risk of flooding?

None of the 1 postcode in CH30 is on the Environment Agency's list of postcodes with a home or business in an area at risk of flooding from rivers or the sea.

Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.

Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0. How we use it