IP18 6ET East Suffolk
Live postcode, introduced January 1980. Ward: Southwold. Region: East of England.
Streets
- South Green, Southwold: 13 addresses
- St James Green, Southwold: 2 addresses
Council tax
What each band costs in East Suffolk in 2026-27: Band D £2,335 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,557 | £1,816 | £2,075 | £2,335 | £2,854 | £3,372 | £3,891 | £4,670 |
Homes by band in the neighbourhood around this postcode: most are in band D (33% of about 1,960 homes).
Planning and heritage
- Conservation area: yes, Southwold (council page). Extensions, demolition, some windows and doors, and work on trees need consent.
- Listed buildings within 100 m of this postcode: 39.
- 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
- 10 AND 12, PARK LANE, grade II
- 10, QUEEN STREET, grade II
- 10A, 10B, 10C AND 10D, SOUTH GREEN, grade II
- 12, QUEEN STREET, grade II
- 14 AND 14A, SOUTH GREEN, grade II
- 14, PARK LANE, grade II
- 14, QUEEN STREET, grade II
- 16, QUEEN STREET, grade II
- 18, QUEEN STREET, grade II
- 19, MARKET PLACE, grade II
- 21, MARKET PLACE, grade II
- 24, SOUTH GREEN, grade II
- 4 AND 6, QUEEN STREET, grade II
- 6, PINKNEY'S LANE, grade II
- 7, SOUTH GREEN, grade II
- ADNAMS WINE MERCHANTS, grade II
- BRADWELL HOUSE (NUMBER 6), grade II
- CENTRE CLIFF, grade II
- CENTRE CLIFF, grade II
- DARTMOUTH COTTAGE, grade II
- EVINGTON, grade II
- GORDON HOUSE, grade II
- GREYFRIARS NORTH AND GREYFRIARS SOUTH AND REGENCY HOUSE, grade II
- HOLMWOOD, grade II
- MAY PLACE MAY PLACE COTTAGE (NUMBER 7A), grade II
- PROVIDENCE COTTAGE, grade II
- READING ROOM COTTAGE, grade II
- RED LION INN, grade II
- SAILORS' READING ROOM, grade II
- SOLE BAY COTTAGE, grade II
And 9 more.
Flood risk
No address in this postcode is in an area at high, medium or low risk of flooding from rivers, the sea or surface water. The rest are in areas at very low risk: less than a 0.1% (1 in 1,000) chance a year.
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 100%, gigabit 100% 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 South Green.