SO21 3DF Winchester
Live postcode, introduced January 1980. Ward: Wonston and Micheldever. Region: South East.
Streets
- Duke Street, Winchester: 42 addresses
Council tax
What each band costs in Winchester in 2026-27: Band D £2,360 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,573 | £1,835 | £2,098 | £2,360 | £2,884 | £3,409 | £3,933 | £4,720 |
Homes by band in the neighbourhood around this postcode: most are in band D (29% of about 700 homes).
Planning and heritage
- Conservation area: yes, Micheldever. Extensions, demolition, some windows and doors, and work on trees need consent.
- Listed buildings within 100 m of this postcode: 9.
- 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
- 111 AND 112, DUKE STREET, grade II
- 113 AND 114, DUKE STREET, grade II
- 115 AND 116, DUKE STREET, grade II
- BLUEBELL COTTAGE, grade II
- FARTHINGS AND FARDELLS, grade II
- GRIFFINS AND NORSEBURY COTTAGES, grade II
- MICHELDEVER HOUSE, grade II
- OLD COTTAGE, grade II
- ST CROSS COTTAGE, grade II
Flood risk
Rivers, the sea or surface water: in this postcode, 0 addresses are in areas at high risk, 2 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: of the 36 homes the Environment Agency counts, 0 are in areas at high risk, 2 medium, 4 low and 0 very low.
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 Duke Street.