Statutory areas of special architectural or historic interest, the character or appearance of which it is desirable to preserve or enhance as defined in the 1967 Civic Amenities Act.

An api providing a lookup of British postcodes with additional fields optimised for geospace applications, including easting, northing, latitude, longitude, postcode area, postcode district, postcode sector, outcode and incode. All data is derived from the ONS Postcode Database, and is free to use without restriction as long as the OS, Royal Mail and ONS attributions are included. The API version accepts a flexible input format which p...