IP4 1HT Ipswich
Live postcode, introduced January 1980. Ward: Alexandra. Region: East of England.
Streets
- Cox Lane, Ipswich: 10 addresses
- Unnamed street, Ipswich: 1 address
- Unnamed street, Ipswich: 1 address
Council tax
What each band costs in Ipswich in 2026-27: Band D £2,468 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,646 | £1,920 | £2,194 | £2,468 | £3,017 | £3,565 | £4,114 | £4,937 |
Homes by band in the neighbourhood around this postcode: most are in band A (66% of about 970 homes).
Planning and heritage
- Conservation area: no postcode centre in this postcode is in one.
- Listed buildings within 100 m of this postcode: 3.
- Article 4 direction (removing permitted development rights): Article 4 Direction for Small HMOs.
- Tree preservation orders: none recorded, though not every council has published theirs.
- Green belt: no.
Listed buildings
- 18, CARR STREET, grade II
- Mosaic mural at former department store of Ipswich Industrial Co-operative Society, grade II
- UNITED REFORMED CHURCH, grade II
Brownfield land registered for housing within 1.0 km
- Mint Quarter, not permissioned (60 m)
- 53-63 Carr Street: up to 18 homes, permissioned (70 m)
- Mint Quarter/ Cox Lane West: up to 36 homes, not permissioned (80 m)
- Mint Quarter: up to 50 homes, not permissioned (80 m)
- 10-16 Carr Street: up to 9 homes, permissioned (120 m)
- 34 - 54 Upper Orwell Street: up to 9 homes, permissioned (120 m)
- Reeves Yard and The Black Barn, Upper Orwell Street: up to 12 homes, not permissioned (140 m)
- Tacket Street (28-32), permissioned (160 m)
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 57%, gigabit 43% 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 Cox Lane.