DN21 1JD West Lindsey
Live postcode, introduced January 1980. Ward: Gainsborough South-West. Region: East Midlands.
Streets
- Trinity Street, Gainsborough: 37 addresses
Council tax
What each band costs in West Lindsey in 2026-27: Band D £2,354 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,570 | £1,831 | £2,093 | £2,354 | £2,877 | £3,401 | £3,924 | £4,709 |
Homes by band in the neighbourhood around this postcode: most are in band A (84% of about 1,230 homes).
Planning and heritage
- Conservation area: no postcode centre in this postcode is in one.
- Listed buildings within 100 m of this postcode: 1.
- 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
Brownfield land registered for housing within 1.0 km
- West of Primrose Street, Gainsborough: up to 83 homes, not permissioned (160 m)
- Tesco Car Park, Gainsborough: up to 25 homes, not permissioned (220 m)
- Land enclosed by Thornton St, Bridge St, King St and Bridge Rd, Gainsborough: up to 25 homes, not permissioned (250 m)
- Gleadells Wharf, Bridge Street, Gainsborough: up to 64 homes, permissioned (250 m)
- Gleadells Wharf, Bridge Street, permissioned (250 m)
- Site between Wembley/Hickman St, Gainsborough: up to 34 homes, not permissioned (310 m)
- The Maltings, 2b Lea Road, Gainsborough: up to 16 homes, permissioned (360 m)
- Town Centre Riverside Housing Zone a,Gainsborough: up to 73 homes, not permissioned (430 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 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: of the 15 homes the Environment Agency counts, 0 are in areas at high risk, 0 medium, 15 low and 0 very low.
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 96%, gigabit 96% of premises; 0% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
People and work
Who lives here
| Around this postcode | England | |
|---|---|---|
| Median age | 40 | 40 |
| Children under 15 | 14% | 17% |
| Aged 65 and over | 17% | 18% |
Homes
| Around this postcode | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 40% | 61% |
| Owned outright | 23% | 33% |
| Shared ownership | 0% | 1% |
| Social rented | 2% | 17% |
| Private rented | 58% | 21% |
Work and commuting
| Around this postcode | England | |
|---|---|---|
| Adults (16 and over) in work | 40% | 57% |
| Unemployment (of those working or looking for work) | 12% | 6% |
| Retired (of adults) | 21% | 22% |
| Long-term sick or disabled (of adults) | 13% | 4% |
| Work mainly from home (of those in work) | 23% | 32% |
| Travel to work by car or van | 44% | 48% |
| By train, Underground, metro or tram | 1% | 4% |
| By any public transport, including bus | 1% | 8% |
| On foot or by bicycle | 31% | 10% |
| Work within 10 km of home (of those who travel to work) | 58% | 65% |
| Work 30 km or more away | 13% | 8% |
Education and languages
| Around this postcode | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 21% | 34% |
| No qualifications | 21% | 18% |
| Apprenticeship as highest qualification | 6% | 5% |
| Main language English (aged 3 and over) | 94% | 91% |
| Cannot speak English well or at all | 1% | 2% |
Deprivation
The neighbourhood around this postcode is in decile 1 of 10 on the English Indices of Deprivation 2025, where 1 is the most deprived tenth of England's 33,755 neighbourhoods and 10 the least.
The full dossier for this postcode's main street is on Trinity Street.