Castle Street is in Northampton and in West Northamptonshire district. NN1 2SJ is located in the Castle electoral ward, within the English Parliamentary constituency of Northampton South. This postcode has been in use since 1980-01-01.
StreetScan combines information about Castle Street, Northampton, NN1 2SJ and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: NN1 2SL, NN1 2SH, NN1 2RJ, NN1 2SR, NN1 2RN, NN1 2RX, NN1 2QY, NN1 2RU, NN1 2SN.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The local area around NN1 2SJ is generally consistent with those figures, having a male population of 48.6%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 49.1% | 51.4% | 2.3% | 51.0% | 0.4% |
| Male | 50.9% | 48.6% | -2.3% | 49.0% | -0.4% |
Across the UK, the average relationship status breakdown is roughly 44% married, 38% single, 9% divorced, 6% widowed, and 2% separated.
In the immediate area around NN1 2SJ, a significant portion of the population is single, making up 53.6% of the residents. On average, approximately 38% of individuals who responded to the census in the UK were single. Areas with higher single populations are typically urban centers, university towns, regions with dynamic job markets, rich cultural offerings and entertainment facilities. These regions also tend to have a younger demographic.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Single | 48.1% | 53.6% | 5.5% | 37.9% | 15.7% |
| Married: Opposite sex | 29% | 28.4% | -0.6% | 44.2% | -15.8% |
| Married: Same sex | 0.5% | 0% | -0.5% | 0.3% | -0.3% |
| Separated | 9.8% | 3.1% | -6.7% | 2.2% | 0.9% |
| Divorced | 11.2% | 11.9% | 0.7% | 9.1% | 2.8% |
| Widowed | 1.4% | 3.1% | 1.7% | 6.1% | -3.0% |
Across the UK, the average 48.4% rated their health as Very Good, 33.6% as Good, 12.7% as Fair, 4% as Bad, and 1.2% as Very Bad.
Population age significantly impacts residents' health. Additionally, socioeconomic status plays a crucial role: higher income levels and lower poverty rates are linked to better health outcomes. Affluent areas benefit from higher living standards, access to private healthcare, and healthier lifestyle choices.
This area has a high percentage of residents reporting their health as Good or Very Good (85.5%) compared to the average (82%). This typically indicates either a younger population or more affluent area.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Very good health | 43.8% | 50.9% | 7.1% | 48.4% | 2.5% |
| Good health | 35% | 34.6% | -0.4% | 33.6% | 1.0% |
| Fair health | 14.1% | 11.4% | -2.7% | 12.7% | -1.3% |
| Bad health | 4.9% | 2.4% | -2.5% | 4.0% | -1.6% |
| Very bad health | 2.1% | 0.7% | -1.4% | 1.2% | -0.5% |
During the 2021 census, the educational qualifications of residents across the UK were as follows: 18.2% had no qualifications, 9.6% had 1-4 GCSEs, 13.4% had 5 or more GCSEs and 1-2 A/AS Levels, 16.9% had 2 or more A Levels, 33.8% held a degree (or equivalent), and 5.4% had completed an apprenticeship.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 38.3% | 22.7% | -15.6% | 18.2% | 4.5% |
| 1-4 GCSEs or Equivalent | 12.6% | 10.8% | -1.8% | 9.6% | 1.2% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 10.7% | 15.5% | 4.8% | 13.4% | 2.1% |
| Apprenticeship | 2.3% | 4.6% | 2.3% | 5.3% | -0.7% |
| HNC, HND or 2+ A Levels | 7% | 11.3% | 4.3% | 16.9% | -5.6% |
| Degree or Similar | 15% | 28.4% | 13.4% | 33.8% | -5.4% |
| Other | 14% | 6.7% | -7.3% | 2.8% | 3.9% |
In this area, the population is more ethnically diverse compared to the UK average. While 51.2% of the residents identify as white, which is lower than the UK average of 81.4%, there are significant representations of other ethnic groups.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Bangladeshi | 2.8% | 1.7% | -1.1% | 1.1% | 0.6% |
| Indian | 0.7% | 3.8% | 3.1% | 3.1% | 0.7% |
| Pakistani | 0.4% | 0% | -0.4% | 2.7% | -2.7% |
| Other Asian | 0.7% | 1% | 0.3% | 1.6% | -0.6% |
| Black African | 25.1% | 23.7% | -1.4% | 2.5% | 21.2% |
| Black Caribbean | 3.9% | 1.4% | -2.5% | 1.0% | 0.4% |
| Other Black | 5.3% | 0.7% | -4.6% | 0.5% | 0.2% |
| Mixed White and Asian | 1.1% | 2.1% | 1.0% | 0.8% | 1.3% |
| Mixed White and African | 3.9% | 1% | -2.9% | 0.4% | 0.6% |
| Mixed White and Caribbean | 2.1% | 3.4% | 1.3% | 0.9% | 2.5% |
| Mixed Other | 1.1% | 2.7% | 1.6% | 0.8% | 1.9% |
| White | 51.6% | 51.2% | -0.4% | 81.4% | -30.2% |
| Arab | 0% | 1.4% | 1.4% | 0.6% | 0.8% |
| Other | 1.4% | 5.8% | 4.4% | 1.6% | 4.2% |
In this area, 58.3% of the population were born in the United Kingdom, which is lower than the UK average of 83.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| United Kingdom | 54.1% | 58.3% | 4.2% | 83.2% | -24.9% |
| European Union | 13.8% | 17.2% | 3.4% | 6.1% | 11.1% |
| Rest of Europe | 2.8% | 3.4% | 0.6% | 0.8% | 2.6% |
| Africa | 23.3% | 14.8% | -8.5% | 2.7% | 12.1% |
| Middle East and Asia | 3.2% | 6.2% | 3.0% | 5.6% | 0.6% |
| The Americas and the Caribbean | 2.8% | 0% | -2.8% | 1.3% | -1.3% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 53% | 58.3% | 5.3% | 83.2% | -24.9% |
| 10+ Years | 4.9% | 23.1% | 18.2% | 9.8% | 13.3% |
| 5-10 Years | 14.5% | 6.2% | -8.3% | 2.9% | 3.3% |
| 2-5 Years | 11.7% | 3.4% | -8.3% | 2.2% | 1.2% |
| Less than 2 years | 15.9% | 9% | -6.9% | 1.9% | 7.1% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 57.7% | 76.7% | -19.0% |
| Italy | 1.4% | 0.6% | 0.8% |
| Portugal | 1% | 0.5% | 0.5% |
| Spain | 0.3% | 0.4% | -0.1% |
| Lithuania | 2.4% | 0.3% | 2.1% |
| Poland | 5.5% | 1.3% | 4.2% |
| Romania | 1.4% | 0.9% | 0.5% |
| Other EU countries | 8.9% | 1.5% | 7.4% |
| Other Europe | 1.4% | 0.2% | 1.2% |
| North Africa | 0.3% | 0.1% | 0.2% |
| Central and Western Africa | 0.3% | 0.3% | 0.0% |
| South and Eastern Africa | 1.4% | 0.2% | 1.2% |
| Southern Asia | 3.4% | 1.2% | 2.2% |
| South-East Asia | 1.4% | 0.2% | 1.2% |
| No passport held | 13.1% | 13.5% | -0.4% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 28.2% | 37.2% | -9.0% |
| Christian | 33% | 46.2% | -13.2% |
| Buddhist | 0.3% | 0.5% | -0.2% |
| Hindu | 2.7% | 1.7% | 1.0% |
| Muslim | 29.9% | 6.5% | 23.4% |
| Sikh | 0.3% | 0.9% | -0.6% |
| Other religion | 0.3% | 0.6% | -0.3% |
| Not answered | 5.2% | 6.0% | -0.8% |
Over the last 12 months, the overall crime rate around Castle Street was 1148.4 per 1,000 residents, which is 226.4% higher than the Castle average. The most reported crime type was Violence and sexual offences.
Castle Street has the 3rd highest crime rate of 48 local areas in Castle and the 7th highest crime rate of 1,261 local areas in West Northamptonshire .
Violent and sexual offences accounted for around 509.7 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has stayed broadly stable by about -0.9%.

Households in this area have a lower level of wealth compared to the average household in England and Wales. 80% of analyzed areas in England and Wales have higher average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 19 Doddridge House Castle Street, Northampton, West Northamptonshire Flats/Maisonettes, an established residential building | £132,500 | 2022-11-07 | £126,820 |
| 60 Doddridge House Castle Street, Northampton, West Northamptonshire Flats/Maisonettes, an established residential building | £129,995 | 2022-03-31 | £129,054 |
| 66 Doddridge House Castle Street, Northampton, West Northamptonshire Flats/Maisonettes, an established residential building | £136,000 | 2021-10-21 | £140,236 |
| 10 Doddridge House Castle Street, Northampton, Northamptonshire Flats/Maisonettes, an established residential building | £78,000 | 2006-07-31 | £103,425 |
| Full-Time Employee | 88 |
| Part-Time Employee | 22 |
| Looking after home or family | 20 |
| Student (economically inactive) | 11 |
| Other | 11 |
| Retired | 11 |
| Unemployed | 11 |
| Self-Employed | 9 |
| Long-Term Sick or disabled | 8 |
| Full-Time Student (with or without job) | 3 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 20 |
| Transport and storage | 19 |
| Administrative and support service activities | 17 |
| Human health and social work activities | 15 |
| Manufacturing | 10 |
| Accommodation and food service activities | 10 |
| Education | 4 |
| Professional, scientific and technical activities | 4 |
| Other | 3 |
| Public administration and defence; compulsory social security | 3 |
| Financial and insurance activities | 3 |
| Construction | 3 |
| Information and communication | 2 |
| Water supply; sewerage, waste management and remediation activities | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Camrose Early Years Centre for Children & Families Streatfield Road , Spencer NN5 7DE | 2out of 4 | 1,551 yd | Local authority nursery school | Yes | Mixed | More About School |
| Gloucester Nursery School Camborne Close , Delapre NN4 8PH | - not rated | 2,411 yd | Local authority nursery school | Yes | Mixed | More About School |
| Wallace Road Nursery School Wallace Road , NN2 7EE | 3out of 4 | 2,900 yd | Local authority nursery school | Yes | Mixed | More About School |
| Parklands Nursery School Spinney Hill Road , NN3 6DW | 3out of 4 | 4,327 yd | Local authority nursery school | Yes | Mixed | More About School |
| Whitehills Nursery School Acre Lane , Kingsthorpe NN2 8DF | 3out of 4 | 4,429 yd | Local authority nursery school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Spring Lane Primary School Spring Lane , NN1 2JW | 3out of 4 | 235 yd | Academy sponsor led | Yes | Mixed | More About School |
| Spring Lane Primary School Spring Lane , NN1 2JW | - not rated | 235 yd | Community school | Yes | Mixed | More About School |
| Castle Academy St George's Street , NN1 2TR | 3out of 4 | 602 yd | Academy sponsor led | Yes | Mixed | More About School |
| Castle Primary School St George's Street , NN1 2TR | - not rated | 602 yd | Community school | No | Mixed | More About School |
| St James CofE VA Primary School Harlestone Road , St James NN5 7AG | - not rated | 1,143 yd | Voluntary aided school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Unity College Trinity Avenue , NN2 6JW | - not rated | 2,071 yd | Voluntary aided school | Not Applicable | Mixed | More About School |
| Trinity School Trinity Avenue , NN2 6JW | - not rated | 2,071 yd | Community school | Not Applicable | Mixed | More About School |
| Malcolm Arnold Academy Trinity Avenue , NN2 6JW | 3out of 4 | 2,071 yd | Academy sponsor led | Not Applicable | Mixed | More About School |
| Northampton School for Boys Billing Road , NN1 5RT | - not rated | 2,562 yd | Academy converter | Not Applicable | Boys | More About School |
| Northampton School for Boys Billing Road , NN1 5RT | - not rated | 2,562 yd | Foundation school | Not Applicable | Boys | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| St George's Middle School Barrack Road , NN1 3RF | - not rated | 650 yd | Community school | Not Applicable | Mixed | More About School |
| Northampton Middle School Royal Terrace , Barrack Road NN1 3RF | - not rated | 712 yd | Community school | Not Applicable | Mixed | More About School |
| Spencer Middle School Lewis Road , NN5 7BJ | - not rated | 1,379 yd | Community school | Not Applicable | Mixed | More About School |
| Kingsley Park Middle School St George's Avenue , NN2 6JA | - not rated | 1,443 yd | Foundation school | Not Applicable | Mixed | More About School |
| Cliftonville Middle School Cliftonville Road , NN1 5BW | - not rated | 1,670 yd | Community school | Not Applicable | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Northampton College Main Campus , Booth Lane NN3 3RF | - not rated | 4,960 yd | Further education | Not Applicable | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Northampton International Academy Barrack Road , NN1 1AA | - not rated | 838 yd | Free schools | No | Mixed | More About School |
| Wootton Park School Wootton Hall Park , NN4 0HZ | 4out of 4 | 3,023 yd | Free schools | No | Mixed | More About School |
| The Duston School Berrywood Road , Duston NN5 6XA | 3out of 4 | 4,146 yd | Academy converter | No | Mixed | More About School |
| Caroline Chisholm School Wooldale Centre for Learning , Wootton Fields NN4 6TP | 3out of 4 | 5,271 yd | Academy converter | No | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| New Horizons Academy 59-77 Sheep Street , NN1 2NE | 1out of 4 | 433 yd | Free schools alternative provision | No | Mixed | More About School |
| Complementary Education Complementary Education County Office , Cromwell Complementary Education Centre NN1 3EX | - not rated | 460 yd | Pupil referral unit | Not Applicable | Mixed | More About School |
| The CE Academy Cromwell Campus , Poole Street NN1 3EX | - not rated | 460 yd | Academy alternative provision converter | Not Applicable | Mixed | More About School |
| Hospital and Outreach Education Cromwell Centre , Cromwell Street NN1 2TE | - not rated | 460 yd | Miscellaneous | Not Applicable | Mixed | More About School |
| Progress Schools - Northamptonshire 8 Notre Dame Mew , Northampton NN1 2BG | - not rated | 772 yd | Other independent special school | No | Mixed | More About School |
School statistics for this postcode are based on Ofsted rankings.
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Castle Hill United Reformed Church | Doddridge Street, Northampton | 110 yd | |
| New Life Church, Northampton | 9 Tower Street, Northampton | 127 yd | |
| The Salvation Army | 8 Tower Street, Northampton | 158 yd | |
| Ondrej's Breakfast Burgers | 21 Marefair, Northampton | 255 yd | |
| Andrea's Restaurant | 21 Marefair, Northampton | 255 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Bear | 11 Sheep Street, Northampton | 280 yd | |
| Boston Clipper | College Street, Northampton | 318 yd | |
| Elysium Nightclub (formerly Fever) | 63a Horseshoe Street, Northampton | 325 yd | |
| O'Neills Bar | 43-49 The Drapery, Northampton | 334 yd | |
| Shipmans | 12 The Drapery, Northampton | 384 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Northampton Pizza Ltd T/A Caprinos P | 6C Sol Central, Marefair | 174 yd | |
| Charlie's Peri Peri | 17 Marefair, Northampton | 255 yd | |
| Pizza Hot | 17 Marefair, Northampton | 255 yd | |
| Dirty Burger & Wings | 44 - 46, Gold Street | 270 yd | |
| Al Fairoz Kebabish | 9 Sheep Street, Northampton | 280 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Iceland Frozen Foods Plc | Unit 14, St Peters Way | 412 yd | |
| Tesco Express | 15 Abington Street, Northampton | 553 yd | |
| Premier Abington Street | 96 Abington Street, Northampton | 735 yd | |
| Castle Convenience Shop Ltd | 2 Mill Road, Semilong | 749 yd | |
| ALDI Stores Ltd | Earl Street, Northampton | 781 yd |
| Facility Name | Sport Objects | Distance |
|---|---|---|
| Bst Mma SOL CENTRAL SOL CENTRAL MAREFAIR | health and fitness suite | 177 yd |
| Fitness4Less (Northampton) SOL CENTRAL SOL CENTRAL MAREFAIR | health and fitness suite, swimming pool | 177 yd |
| Park Inn Radisson Hotel SILVER STREET | health and fitness suite, swimming pool | 178 yd |
| Pure Gym (Northampton) St. Peters Way | health and fitness suite | 592 yd |
| Victoria Park ST. JAMES PARK ROAD | grass pitches | 654 yd |
| Mounts Baths Leisure Centre UPPER MOUNTS | health and fitness suite, swimming pool | 729 yd |
| Derngate Gym (Closed) Newspaper House Newspaper House Derngate | health and fitness suite | 733 yd |
| Dw Sports Fitness (Northampton) UNIT 3 UNIT 3 TOWCESTER ROAD | health and fitness suite, swimming pool | 759 yd |
| Northampton Boys Brigade Old Boys Rfc ST. ANDREWS ROAD | grass pitches, health and fitness suite | 820 yd |
| Fit4Less (Northampton) ABINGTON STREET | health and fitness suite | 833 yd |
This statistics are based on Active Places Data - Contains Data © Sport England
| Percentage of premises that have Superfast Broadband (30Mbit/s or greater) coverage from fixed broadband | 100.0% |
| Percentage of premises that have Ultrafast Broadband (100Mbit/s or greater) coverage from fixed broadband | 100.0% |
| Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband | 100.0% |
| Percentage of premises that have coverage from a Gigabit capable service from fixed broadband | 100.0% |
| Percentage of premises unable to receive 2Mbit/s | 0.0% |
| Percentage of premises unable to receive 5Mbit/s | 0.0% |
| Percentage of premises unable to receive 10Mbit/s | 0.0% |
| Percentage of premises unable to receive 30Mbit/s | 0.0% |
| Median download speed | 79.8 Mbit/s |
| Average download speed | 84.1 Mbit/s |
| Minimum download speed | 350 Mbit/s |
| Maximum download speed | 350 Mbit/s |
| Median upload speed | 10 Mbit/s |
| Average upload speed | 13.9 Mbit/s |
| Maximum upload speed | 35 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.