SO23 8DS Winchester
Live postcode, introduced January 1980. Ward: St Michael. Region: South East.
Streets
- Lawn Street, Winchester: 48 addresses
- Union Street, Winchester: 1 address
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 B (42% of about 730 homes).
Planning and heritage
- Conservation area: yes, Winchester. Extensions, demolition, some windows and doors, and work on trees need consent.
- Listed buildings within 100 m of this postcode: none.
- 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.
Brownfield land registered for housing within 1.0 km
- Moorside, Durngate: up to 18 homes, permissioned (50 m)
- 60 Eastgate Street, Winchester, permissioned (140 m)
- Central Winchester Regeneration, Winchester: up to 240 homes, not permissioned (200 m)
- St Peter's, Hyde Abbey Road Car Park, Winchester, not permissioned (270 m)
- Corner House, 71 North Walls: up to 6 homes, permissioned (310 m)
- 7/8 High Street, Winchester: up to 6 homes, not permissioned (310 m)
- 9-11 High Street, permissioned (320 m)
- 9-11 High Street, permissioned (320 m)
Flood risk
Rivers, the sea or surface water: in this postcode, 0 addresses are in areas at high risk, 0 at medium risk and 1 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 45 homes the Environment Agency counts, 0 are in areas at high risk, 0 medium, 5 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 Lawn Street.