DN31 3HL North East Lincolnshire
Live postcode, introduced December 1997. Ward: East Marsh. Region: Yorkshire and The Humber.
Streets
- Humber Street, Grimsby: 12 addresses
- Riby Street, Grimsby: 7 addresses
- Wickham Road, Grimsby: 2 addresses
- Trinity Street, Grimsby: 1 address
- Murray Street, Grimsby: 1 address
Council tax
What each band costs in North East Lincolnshire in 2026-27: Band D £2,484 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,656 | £1,932 | £2,208 | £2,484 | £3,036 | £3,588 | £4,140 | £4,968 |
Homes by band in the neighbourhood around this postcode: most are in band A (100% of about 980 homes).
Planning and heritage
- Conservation area: no postcode centre in this postcode is in one.
- 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
- Humber Street, Grimsby: up to 12 homes, permissioned (50 m)
- 183-185 Cleethorpe Road, Grimsby: up to 6 homes, permissioned (230 m)
- The Albion Hotel, 178 to 180 Cleethorpe Road, Grimsby: up to 8 homes, permissioned (240 m)
- 138-140 Cleethorpe Road, Grimsby: up to 5 homes, permissioned (340 m)
- 71-85 Hamilton Street, Grimsby: up to 30 homes, not permissioned (440 m)
- Land at 65 Park Street/Brereton Avenue, Cleethorpes: up to 14 homes, not permissioned (770 m)
- Land adjacent to 103 Roberts Street, Grimsby: up to 4 homes, permissioned (920 m)
- Eleanor House, Eleanor Street, Grimsby: up to 9 homes, permissioned (940 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 5 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: the postcode centre is in flood zone 2. Zone 2 is between 0.1% and 1% a year from rivers (0.1% and 0.5% from the sea), ignoring defences.
Broadband
Superfast 100%, ultrafast 75%, gigabit 75% 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 Humber Street.