NN1 3BL West Northamptonshire
Live postcode, introduced January 1980. Ward: Castle. Region: East Midlands.
Streets
- Robert Street, Northampton: 33 addresses
- Margaret Street, Northampton: 1 address
- Connaught Street, Northampton: 1 address
- William Street, Northampton: 1 address
Council tax
What each band costs in West Northamptonshire in 2026-27: Band D £2,487 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,658 | £1,934 | £2,210 | £2,487 | £3,039 | £3,592 | £4,144 | £4,973 |
Homes by band in the neighbourhood around this postcode: most are in band A (69% of about 1,130 homes).
Planning and heritage
- Conservation area: yes, Boot and Shoe Quarter (council page). Extensions, demolition, some windows and doors, and work on trees need consent.
- Listed buildings within 100 m of this postcode: 2.
- 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
- Mounts Baths, grade II
- Northampton Fire Station with Minster House above, grade II
Brownfield land registered for housing within 1.0 km
- Northampton: 42 - 48 Abington Street NN1 2AP: up to 30 homes, permissioned (130 m)
- Northampton: Former Top of The Town Nightclub, 73 - 91 Great Russell Street NN1 3AX: up to 19 homes, permissioned (210 m)
- Northampton: 2 Clare Street NN1 3JF: up to 14 homes, permissioned (250 m)
- Northampton: Former Bus Station, Greyfriars NN1 2ER: up to 400 homes, not permissioned (300 m)
- Northampton: 26 Clare Street NN1 3JF: up to 5 homes, permissioned (380 m)
- Northampton: Belgrave House, Greyfriars NN1 2ER: up to 122 homes, permissioned (380 m)
- Northampton: Car Park, Albert Place NN1 2BQ: up to 14 homes, permissioned (390 m)
- Northampton: 98 - 100 Abington Street NN1 2BP: up to 13 homes, permissioned (460 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 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: no postcode centre is in flood zone 2 or 3.
Height above sea level
The postcode's 36 addresses are between 85 m and 90 m above sea level (88 m on average).
Broadband
Superfast 100%, ultrafast 100%, gigabit 100% of premises; 0% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Northampton 2.8 million journeys in 2024–25 | 1.0 km |
| Long Buckby 330,000 journeys in 2024–25 | 14.4 km | |
| Bus stops | 6 stops within 400 m, 48 within 800 m; nearest Police Station Northampton | 120 m |
| Bus or coach station | Northampton Bus Interchange | 500 m |
| Car parks | 5 within 800 m; nearest Newlands Car Park | 300 m |
| EV charging points | 2 within 1.6 km; nearest Allego Charging Station | 860 m |
| Airport with scheduled flights | London Luton Airport LTN | 54.5 km |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 7 practices within 1.6 km; nearest The Mounts Medical Centre | 220 m |
| Pharmacies | 12 pharmacies within 1.6 km; nearest Mounts Health Centre Pharmacy | 220 m |
| NHS dentists | 13 practices within 1.6 km; nearest Castilian Street Dental Practice | 610 m |
| Hospital | Northampton General Hospital | 1.0 km |
| Police station | Northamptonshire Police | 40 m |
| Cash machines | 6 machines within 800 m; nearest Cheltenham & Gloucester | 420 m |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 4 within 800 m; nearest Unnamed 620 m² | 520 m |
| Largest park within 800 m | Unnamed 1.5 ha | 710 m |
| Play area | 6 within 800 m; nearest Unnamed 1,400 m² | 420 m |
| Playing field | 1 within 800 m; nearest The Racecourse 48 ha | 350 m |
| Allotments | Unnamed 1.1 ha | 1.2 km |
Within 800 m: 4 parks and gardens, 2.2 hectares in all.
Landmarks
The nearest historic landmark is Church of St Stanislaus and St Lawrence, a listed building (Grade II*), 210 m north-east. 178 listed buildings are within 1.0 km, 8 of them Grade I and 9 of them Grade II*.
| Name | What it is | From the postcode's centre |
|---|---|---|
| Church of St Stanislaus and St Lawrence | Listed building, Grade II* | 210 m north-east |
| Church of the Holy Sepulchre | Listed building, Grade I | 250 m south-west |
| 32 and 32A, Market Square | Listed building, Grade II* | 460 m south |
| Edgar Mobbs War Memorial | Listed building, Grade II* | 530 m south-east |
| Saxon palace complex and Saxon and medieval urban deposits in the centre of Northampton | Scheduled monument | 920 m south-west |
| Northampton Castle, remains of | Scheduled monument | 1.0 km south-west |
| Battle of Northampton 1460 | Registered battlefield | 2.2 km south |
| Name | What it is | From the postcode's centre |
|---|---|---|
| The Spinney | Wood | 2.4 km east |
| Storton's Pits | Lake or reservoir | 2.6 km south-west |
| Delapre Wood | Wood | 2.8 km south |
| Hoppinghill Spinney | Wood | 2.9 km north-west |
| Hunsbury Hill | Hill | 3.2 km south-west |
| Ryehill Spinney | Wood | 3.2 km north-west |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 11.9 | 40 | 10 |
| Fine particles (PM2.5) | 7.8 | 20 | 5 |
| Particles (PM10) | 13.5 | 40 | 15 |
All three are within the UK legal limits; nitrogen dioxide and PM2.5 are above the WHO guideline, as in most towns and cities.
Road and rail noise
| Level | Road traffic | Railways |
|---|---|---|
| 55 to 59 | 17 | 0 |
| Under 55 | 19 | 36 |
17 of the postcode's 36 addresses are modelled at 55 dB or more from road traffic, above the WHO guidelines.
People and work
Who lives here
| Around this postcode | England | |
|---|---|---|
| Median age | 34 | 40 |
| Children under 15 | 11% | 17% |
| Aged 65 and over | 16% | 18% |
Homes
| Around this postcode | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 18% | 61% |
| Owned outright | 7% | 33% |
| Shared ownership | under 1% | 1% |
| Social rented | 30% | 17% |
| Private rented | 50% | 21% |
Work and commuting
| Around this postcode | England | |
|---|---|---|
| Adults (16 and over) in work | 55% | 57% |
| Unemployment (of those working or looking for work) | 15% | 6% |
| Retired (of adults) | 13% | 22% |
| Long-term sick or disabled (of adults) | 6% | 4% |
| Work mainly from home (of those in work) | 15% | 32% |
| Travel to work by car or van | 39% | 48% |
| By train, Underground, metro or tram | 2% | 4% |
| By any public transport, including bus | 16% | 8% |
| On foot or by bicycle | 27% | 10% |
| Work within 10 km of home (of those who travel to work) | 78% | 65% |
| Work 30 km or more away | 9% | 8% |
Education and languages
| Around this postcode | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 22% | 34% |
| No qualifications | 28% | 18% |
| Apprenticeship as highest qualification | 7% | 5% |
| Main language English (aged 3 and over) | 57% | 91% |
| Cannot speak English well or at all | 12% | 2% |
Deprivation
The neighbourhood around this postcode is in decile 3 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 Robert Street.