IP4 1LP Ipswich
Live postcode, introduced January 1980. Ward: Alexandra. Region: East of England.
Streets
- Grimwade Street, Ipswich: 158 addresses
- Spring Road, Ipswich: 4 addresses
- 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: 7.
- 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
- 60-64, ST HELEN'S STREET, grade II
- 70 AND 72, ST HELEN'S STREET, grade II
- 74, ST HELEN'S STREET, grade II
- COUNTY HALL MAIN ENTRANCE BLOCK, grade II
- DOVE INN, grade II
- K6 TELEPHONE KIOSK, grade II
- OLIVE LEAF PUBLIC HOUSE, grade II
Brownfield land registered for housing within 1.0 km
- County Hall, St Helen's Street: up to 40 homes, permissioned (100 m)
- Peter's Ice Cream etc Grimwade St: up to 35 homes, not permissioned (160 m)
- 17 - 19 St Helen's Street IP4 1HE, permissioned (160 m)
- Reeves Yard and The Black Barn, Upper Orwell Street: up to 12 homes, not permissioned (170 m)
- Waterworks Street: up to 23 homes, not permissioned (210 m)
- 34 - 54 Upper Orwell Street: up to 9 homes, permissioned (210 m)
- 19-23 Fore Street, permissioned (240 m)
- Mint Quarter: up to 50 homes, not permissioned (250 m)
Flood risk
Rivers, the sea or surface water: in this postcode, 1 address is in areas at high risk, 3 at medium risk and 21 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 31%, ultrafast 31%, gigabit 31% 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 Grimwade Street.