Map of Basildon, Essex, UK with electoral wards shown.
Equirectangular map projection on WGS 84 datum, with N/S stretched 160%
Geographic limits:

West: 0.37E
East: 0.58E
North: 51.66N
South: 51.51N
Ordnance Survey OpenData.

Coastline and administrative boundary data from Boundary-Line product.
Lake data from Meridian 2 product.
Nilfanion, created using Ordnance Survey data