CB21 4QA South Cambridgeshire
Live postcode, introduced September 2006. Ward: Balsham. Region: East of England.
Streets
- West Wickham Road, Horseheath: 35 addresses
- Unnamed street near West Wickham Road, Horseheath: 2 addresses
- Unnamed street near West Wickham Road, Horseheath: 2 addresses
- Unnamed street near West Wickham Road, Horseheath: 2 addresses
- West Wickham Road, Horseheath: 2 addresses
- Unnamed street near Haverhill Road, Hanchett End: 1 address
- Streetly End, Streetly End: 1 address
- Unnamed street near West Wickham Road, Streetly End: 1 address
- Unnamed street near West Wickham Road, Streetly End: 1 address
- Unnamed street near West Wickham Road, Horseheath: 1 address
- Unnamed street near West Wickham Road, Horseheath: 1 address
- Unnamed street near West Wickham Road, Streetly End: 1 address
Council tax
What each band costs in South Cambridgeshire in 2026-27: Band D £2,536 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,691 | £1,973 | £2,254 | £2,536 | £3,100 | £3,663 | £4,227 | £5,073 |
Homes by band in the neighbourhood around this postcode: most are in band C (26% of about 650 homes).
Planning and heritage
- Conservation area: no postcode centre in this postcode is in one.
- Listed buildings within 100 m of this postcode: 7.
- Article 4 direction (removing permitted development rights): none recorded, though not every council has published theirs.
- Tree preservation orders: none recorded, though not every council has published theirs.
- Green belt: no.
Listed buildings
- CHURCH OF ALL SAINTS, grade I
- CHAPEL VIEW, grade II
- Church Farmhouse, grade II
- CHURCHYARD CROSS, grade II
- HARTFORD HOUSE, grade II
- STABLE BLOCK AT HARTFORD HOUSE, grade II
- THE OLD RECTORY, grade II
Flood risk
Rivers, the sea or surface water: in this postcode, 4 addresses are in areas at high risk, 3 at medium risk and 3 at low risk. Each address counts once, at the higher of its rivers-and-sea and surface-water risk.
Rivers and the sea alone: no home is in an area at risk.
High: 3.3% (1 in 30) or more chance of flooding a year. Medium: 1% to 3.3%. Low: 0.1% to 1%. Very low: under 0.1%. The rivers and sea figures allow for flood defences. Counts cover whole postcodes, which can include other streets.
Flood zone for planning: no postcode centre is in flood zone 2 or 3.
Broadband
Superfast 100%, ultrafast 0%, gigabit 0% of premises; 0% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
The full dossier for this postcode's main street is on West Wickham Road.