Postcode NN1 3NL is located in an urban city, within the Castle ward of West Northamptonshire in the East Midlands region, and forms part of the Town Centre & Semilong area. It has very high deprivation and very high crime levels, with around 349.6 crimes per 1,000 residents per year, roughly 3.6× the East Midlands average of 96 per 1,000. The average income per household in Town Centre & Semilong is £41,679 per year. The nearest station is Northampton, about 0.4 miles away. There are 7 primary and 1 secondary schools in the area. There are 4 parks nearby, the closest small park is Millers Meadow.
Town Centre & Semilong has a very high level of deprivation, ranked at position 2,420 out of 32,844 areas in the United Kingdom, placing it within the top 7% most deprived areas in England.
Town Centre & Semilong has a very high crime rate, with approximately 349.6 reported incidents per 1,000 population each year.
Approximately 13.2% of homes on this street are social housing provided by a local council or housing association. Across the surrounding area, around 36.1% of dwellings are socially rented.
The average income per household in Town Centre & Semilong is £41,679 per year.
High noise level (70.0-74.9 dB) from road, approximately 168 ft away from NN1 3NL.
Town Centre & Semilong near NN1 3NL has no flood risk (less than 0.1% chance of a flood each year) from rivers and sea.
The nearest station is Northampton located about 0.4 miles away. There are 1 stations nearby.
| Distance | Name | Lines | Directions |
|---|---|---|---|
| 0.4 mi | Northampton | N/A | Walking directions to Northampton |
| Distance | Name | Size | Directions |
|---|---|---|---|
| 0.3 mi | Millers Meadow | Small | Walking directions to Millers Meadow |
| 0.3 mi | Castle Mound | Small | Walking directions to Castle Mound |
| 0.4 mi | Marefair Heritage Park (under construction) | Small | Walking directions to Marefair Heritage Park (under construction) |
Based on 137 recent sales, the median property price is £180,000 (about £222 per square foot) in Castle area, with individual transactions ranging from £55,000 up to £475,000.
| Type | Sales | Median | £/sq ft |
|---|---|---|---|
| Detached | 2 | £403,500 | £333 |
| Semi-Detached | 1 | £226,000 | £241 |
| Terraced | 70 | £208,500 | £222 |
| Flats | 64 | £148,750 | £220 |
Sale price
| Year | Detached | Flats | Semi-Detached | Terraced |
|---|---|---|---|---|
| 2016 | — | £120,000 | £206,000 | £159,000 |
| 2017 | £314,250 | £130,000 | £175,000 | £170,000 |
| 2018 | £320,000 | £118,000 | £160,000 | £174,000 |
| 2019 | £320,000 | £140,000 | £182,000 | £168,500 |
| 2020 | £335,000 | £137,250 | £255,000 | £173,500 |
| 2021 | £332,000 | £132,000 | £225,000 | £190,000 |
| 2022 | £307,625 | £150,000 | £205,000 | £219,750 |
| 2023 | £291,550 | £140,000 | £225,000 | £197,500 |
| 2024 | — | £150,000 | £248,000 | £203,000 |
| 2025 | £405,000 | £140,000 | £220,000 | £210,000 |
| 2026 | — | £151,000 | — | £200,000 |
Price per sq ft
| Year | Detached | Flats | Semi-Detached | Terraced |
|---|---|---|---|---|
| 2016 | — | £191 | £165 | £168 |
| 2017 | £253 | £198 | £200 | £185 |
| 2018 | £266 | £195 | £269 | £191 |
| 2019 | £270 | £241 | £198 | £191 |
| 2020 | £293 | £225 | £224 | £195 |
| 2021 | £265 | £205 | £183 | £206 |
| 2022 | £269 | £220 | £184 | £226 |
| 2023 | £302 | £227 | £203 | £224 |
| 2024 | — | £256 | £271 | £216 |
| 2025 | £324 | £220 | £241 | £226 |
| 2026 | — | £221 | — | £203 |
There were 36 recent sold properties in the last 18 months near NN1 3NL.
| Date | Address | Type | Tenure | Price | Map |
|---|---|---|---|---|---|
| 08 Sept 2025 | Flat 10, The Viewpoint, 50A, Sheep Street, Northampton, NN1 2LZ | Flats | Leasehold | £135,000 | |
| 21 May 2026 | Flat 106, Alpha House, Broad Street, Northampton, NN1 2HS | Flats | Leasehold | £100,000 | |
| 11 Apr 2025 | Flat G20, Alpha House, Broad Street, Northampton, NN1 2HS | Flats | Leasehold | £123,000 | |
| 12 Mar 2025 | Flat G16, Alpha House, Broad Street, Northampton, NN1 2HS | Flats | Leasehold | £135,000 | |
| 18 Feb 2026 | Flat 516, Alpha House, Broad Street, Northampton, NN1 2HQ | Flats | Leasehold | £100,000 |
In the NN1 3NL postcode area, located within Town Centre & Semilong, there are 7 primary and 1 secondary schools in close proximity.
15 nearby supermarkets & convenience stores within mi of NN1 3NL
| Distance | Name | Address | Directions |
|---|---|---|---|
| 0.1 mi | Regent Food and Wine | 11 Regent Square, Northampton, NN1 2NQ | Walking directions to Regent Food and Wine |
| 0.1 mi | Ambe Supermarket | 30 St Andrews Street, Northampton, NN1 2JD | Walking directions to Ambe Supermarket |
| 0.2 mi | Select Convenience | 7 Sheep Street, Northampton, NN1 2LT | Walking directions to Select Convenience |
| 0.2 mi | Little Europe | 10 Wellington Place, Northampton, NN1 3RQ | Walking directions to Little Europe |
| 0.2 mi | Northampton Health Store | The Drapery, Northampton, NN1 2HG | Walking directions to Northampton Health Store |
Annual council tax rates for West Northamptonshire district (2025-26).
Council tax bands are based on the value of your property. Most homes fall into bands A to D.
Elected local representatives for NN1 3NL, including ward councillors and the local member of parliament.
Enam Haque
Castle - Elected 1 May 2025
Fartun Ismail
Castle - Elected 1 May 2025
Muna Cali
Castle - Elected 1 May 2025
Lucy Rigby
Northampton North - Elected 4 Jul 2024
The area around NN1 3NL records about 350 crimes per 1,000 residents per year, which is a very high crime rate for England: it scores 10 out of 10 on the Area360 crime scale, where 10 is the highest crime level. Across East Midlands as a whole the rate is about 96 per 1,000. The most common offences locally are violence and sexual offences, anti-social behaviour and shoplifting.
The median sale price around NN1 3NL in Town Centre & Semilong is £180,000 (about £222 per square foot) based on 137 registered sales according to HM Land Registry data.
There are 14 schools close to NN1 3NL, including New Horizons Academy, Castle Academy (Good) and Spring Lane Primary School (Good). Ratings are from the latest Ofsted inspections.
The closest station to NN1 3NL is Northampton, about 712 m away.
NN1 3NL scores 10 out of 10 on the deprivation scale, where 10 is the most deprived. Its neighbourhood ranks 2,420 of 32,844 in England on the official Index of Multiple Deprivation (rank 1 is the most deprived).
The Member of Parliament for Northampton North covering NN1 3NL is Lucy Rigby (Labour Party), elected at the 2024 general election. The area is represented by 3 local councillors: Enam Haque (Labour Party), Fartun Ismail (Labour Party) and Muna Cali (Labour Party).
All data is sourced from official UK government agencies and public datasets. Last updated: 16/07/2026. Read more about how our statistics are calculated.