DN31 9SU North East Lincolnshire

Streets

• Town Hall Square, 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.

Homes by band in the neighbourhood around this postcode: most are in band A (94% of about 1,080 homes).

Sources: Valuation Office Agency, Council Tax: stock of properties, homes at 31 March 2026 (counts rounded to the nearest 10), for the neighbourhood (census area of about 700 homes) around it, not just this postcode; Ministry of Housing, Communities and Local Government, council tax levels 2026-27. Bands are charged as fixed shares of Band D; the actual bill depends on the parish and on discounts such as the single-person discount. Check a home's own band with the official council tax band checker.

Planning and heritage

• Conservation area: yes, Central Grimsby (council page). Extensions, demolition, some windows and doors, and work on trees need consent.
• Listed buildings within 100 m of this postcode: 3.
• 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

• REGISTRARS OFFICE, grade II
• THE DOUGHTY CENTRE, ADJOINING SCREEN WALL AND FORMER FIRE STATION, grade II
• TOWN HALL, grade II

Brownfield land registered for housing within 1.0 km

• Fletchers Yard, Wellowgate, Grimsby: up to 12 homes, not permissioned (520 m)
• Eleanor House, Eleanor Street, Grimsby: up to 9 homes, permissioned (670 m)
• Land at corner of Lambert Road and Ainslie Street, Grimsby: up to 8 homes, permissioned (690 m)
• Land west of Cartergate, Grimsby: up to 14 homes, not permissioned (700 m)
• Former Birds-eye factory site, Ladysmith Road, Grimsby: up to 260 homes, permissioned (710 m)
• 29-31 Chantry Lane, Grimsby: up to 11 homes, permissioned (740 m)
• Cordage Mill, Convamore Road, Grimsby: up to 113 homes, not permissioned (790 m)
• 1-3 Dudley Street, Grimsby: up to 9 homes, permissioned (800 m)

Source: planning.data.gov.uk (Ministry of Housing, Communities and Local Government), compiled from councils and, for listed buildings, Historic England's National Heritage List. Conservation areas, Article 4 directions, tree preservation areas and the green belt are checked at each postcode's centre. Listed buildings and protected trees are counted within 100 m of this postcode. Councils publish Article 4 directions, tree preservation orders and brownfield registers to different standards, and some not yet. Planning applications are not here: there is no national open record of them yet.

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: 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 3. Zone 3 is a 1% (1 in 100) or greater annual chance of flooding from rivers, or 0.5% from the sea, ignoring defences.

Sources: Environment Agency Flood risk: postcode search tool data (loaded 29 October 2026), Risk of Flooding from Rivers and Sea: postcodes in areas at risk (loaded 29 October 2026) and Flood Map for Planning (loaded 28 October 2026). Flood zones are checked at each postcode's centre point. These are models of areas, which their publishers say are not suitable for showing whether an individual property is at risk, and they do not cover flooding from sewers or drains. Check an address on the official long-term flood risk service.

Broadband

No Ofcom figures for this postcode.