William Street is in Northampton and in West Northamptonshire district. NN1 3EW 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 William Street, Northampton, NN1 3EW and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: NN1 3EN, NN1 3BP, NN1 3BQ, NN1 3DJ, NN1 3DY, NN1 3BL, NN1 3DZ, NN1 3BA, NN1 3HS.
In the UK, the overall gender distribution is approximately 49% male and 51% female. However, the area surrounding NN1 3EW is primarily male, with 55.3% of the population being male. Several factors can contribute to this, including areas with industries or sectors that predominantly employ men, proximity to universities or technical schools with a higher enrollment of male students, presence of all-male or predominantly male institutions (military academies, boarding schools).
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 43% | 44.7% | 1.7% | 51.0% | -6.3% |
| Male | 57% | 55.3% | -1.7% | 49.0% | 6.3% |
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 3EW, a significant portion of the population is single, making up 55.6% 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 | 55.6% | 55.6% | 0.0% | 37.9% | 17.7% |
| Married: Opposite sex | 30.7% | 29.6% | -1.1% | 44.2% | -14.6% |
| Married: Same sex | 0% | 0.5% | 0.5% | 0.3% | 0.2% |
| Separated | 3.2% | 3.5% | 0.3% | 2.2% | 1.3% |
| Divorced | 8.6% | 6.9% | -1.7% | 9.1% | -2.2% |
| Widowed | 2% | 4% | 2.0% | 6.1% | -2.1% |
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 (85.4%) 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 | 51.7% | 51% | -0.7% | 48.4% | 2.6% |
| Good health | 35.5% | 34.4% | -1.1% | 33.6% | 0.8% |
| Fair health | 10.5% | 10.3% | -0.2% | 12.7% | -2.4% |
| Bad health | 1.6% | 3.1% | 1.5% | 4.0% | -0.9% |
| Very bad health | 0.7% | 1.2% | 0.5% | 1.2% | 0.0% |
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 | 20.1% | 26.8% | 6.7% | 18.2% | 8.6% |
| 1-4 GCSEs or Equivalent | 12.3% | 9.9% | -2.4% | 9.6% | 0.3% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 10% | 9.9% | -0.1% | 13.4% | -3.5% |
| Apprenticeship | 2.3% | 5.4% | 3.1% | 5.3% | 0.1% |
| HNC, HND or 2+ A Levels | 13.8% | 13.3% | -0.5% | 16.9% | -3.6% |
| Degree or Similar | 25.5% | 30.3% | 4.8% | 33.8% | -3.5% |
| Other | 16% | 4.4% | -11.6% | 2.8% | 1.6% |
In this area, the population is more ethnically diverse compared to the UK average. While 64.9% 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 | 20.4% | 10% | -10.4% | 1.1% | 8.9% |
| Chinese | 0.5% | 0.6% | 0.1% | 0.7% | -0.1% |
| Indian | 3.4% | 3.5% | 0.1% | 3.1% | 0.4% |
| Pakistani | 0.2% | 1% | 0.8% | 2.7% | -1.7% |
| Other Asian | 0.7% | 0.4% | -0.3% | 1.6% | -1.2% |
| Black African | 4.6% | 8.8% | 4.2% | 2.5% | 6.3% |
| Black Caribbean | 0.7% | 1.6% | 0.9% | 1.0% | 0.6% |
| Other Black | 0.5% | 0.4% | -0.1% | 0.5% | -0.1% |
| Mixed White and Asian | 1.1% | 0.8% | -0.3% | 0.8% | 0.0% |
| Mixed White and African | 0.5% | 0.8% | 0.3% | 0.4% | 0.4% |
| Mixed White and Caribbean | 1.6% | 0.2% | -1.4% | 0.9% | -0.7% |
| Mixed Other | 0.7% | 0.8% | 0.1% | 0.8% | 0.0% |
| White | 64.3% | 64.9% | 0.6% | 81.4% | -16.5% |
| Gypsy or Irish Traveller | 0.7% | 0% | -0.7% | 0.1% | -0.1% |
| Roma | 0% | 2% | 2.0% | 0.2% | 1.8% |
| Arab | 0% | 1.4% | 1.4% | 0.6% | 0.8% |
| Other | 0.2% | 2.7% | 2.5% | 1.6% | 1.1% |
In this area, just 49% of residents were born in the United Kingdom, meaning that the majority of residents originate from outside the UK.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| United Kingdom | 62.2% | 49% | -13.2% | 83.2% | -34.2% |
| European Union | 20.8% | 28.3% | 7.5% | 6.1% | 22.2% |
| Rest of Europe | 0.5% | 6.8% | 6.3% | 0.8% | 6.0% |
| Africa | 3% | 6.8% | 3.8% | 2.7% | 4.1% |
| Middle East and Asia | 12.6% | 8.2% | -4.4% | 5.6% | 2.6% |
| The Americas and the Caribbean | 0.7% | 1% | 0.3% | 1.3% | -0.3% |
| Oceania | 0.2% | 0% | -0.2% | 0.3% | -0.3% |
In this area majority of residents originate from outside the UK. Only 49% of residents were born in the United Kingdom. 19.4% of residents have lived in the UK for 10 years or more.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 61.1% | 49.3% | -11.8% | 83.2% | -33.9% |
| 10+ Years | 6.6% | 19.4% | 12.8% | 9.8% | 9.6% |
| 5-10 Years | 16.2% | 10.7% | -5.5% | 2.9% | 7.8% |
| 2-5 Years | 6.9% | 11.8% | 4.9% | 2.2% | 9.6% |
| Less than 2 years | 9.2% | 8.9% | -0.3% | 1.9% | 7.0% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 47.9% | 76.7% | -28.8% |
| Ireland | 0.8% | 0.6% | 0.2% |
| France | 0.6% | 0.3% | 0.3% |
| Italy | 2% | 0.6% | 1.4% |
| Portugal | 0.4% | 0.5% | -0.1% |
| Spain | 0.8% | 0.4% | 0.4% |
| Lithuania | 3.9% | 0.3% | 3.6% |
| Poland | 5.7% | 1.3% | 4.4% |
| Romania | 14.3% | 0.9% | 13.4% |
| Other EU countries | 7% | 1.5% | 5.5% |
| Other Europe | 1% | 0.2% | 0.8% |
| North Africa | 0.4% | 0.1% | 0.3% |
| Central and Western Africa | 1.6% | 0.3% | 1.3% |
| South and Eastern Africa | 0.6% | 0.2% | 0.4% |
| Eastern Asia | 0.2% | 0.3% | -0.1% |
| Southern Asia | 2.7% | 1.2% | 1.5% |
| North America and the Caribbean | 0.2% | 0.3% | -0.1% |
| No passport held | 9.8% | 13.5% | -3.7% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 29% | 37.2% | -8.2% |
| Christian | 46% | 46.2% | -0.2% |
| Hindu | 2% | 1.7% | 0.3% |
| Jewish | 0.2% | 0.5% | -0.3% |
| Muslim | 16.8% | 6.5% | 10.3% |
| Other religion | 1.2% | 0.6% | 0.6% |
| Not answered | 4.7% | 6.0% | -1.3% |
Over the last 12 months, the overall crime rate around William Street was 147.2 per 1,000 residents, which is 58.7% lower than the Castle average. The most reported crime type was Violence and sexual offences.
William Street has the 19th lowest crime rate of 48 local areas in Castle and the 178th highest crime rate of 1,265 local areas in West Northamptonshire .
Violent and sexual offences accounted for around 55.2 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has fallen by about -28.8%.

Households in this area have a similar level of wealth to the average household in England and Wales. 60% of analyzed areas in England and Wales have higher average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 10 William Street, Northampton, West Northamptonshire Other, an established residential building | £240,000 | 2024-10-02 | £250,197 |
| 12 William Street, Northampton, West Northamptonshire Other, an established residential building | £350,000 | 2024-03-28 | £371,414 |
| 7 William Street, Northampton, Northamptonshire Other, an established residential building | £204,000 | 2020-08-21 | £240,591 |
| 11 William Street, Northampton, Northamptonshire Other, an established residential building | £200,000 | 2019-08-15 | £232,065 |
| 12 William Street, Northampton, Northamptonshire Other, an established residential building | £250,000 | 2014-09-19 | £360,832 |
The percentage of student residents living in NN1 3EW area is much higher than the country's average. Usually places with high percentage of students are near Universities and near entertainment places.
| Full-Time Employee | 171 |
| Self-Employed | 45 |
| Part-Time Employee | 43 |
| Retired | 30 |
| Other | 25 |
| Student (economically inactive) | 23 |
| Unemployed | 18 |
| Looking after home or family | 18 |
| Full-Time Student (with or without job) | 17 |
| Long-Term Sick or disabled | 17 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 41 |
| Transport and storage | 29 |
| Manufacturing | 25 |
| Accommodation and food service activities | 23 |
| Human health and social work activities | 21 |
| Administrative and support service activities | 20 |
| Other | 20 |
| Education | 16 |
| Information and communication | 13 |
| Professional, scientific and technical activities | 11 |
| Construction | 10 |
| Financial and insurance activities | 6 |
| Electricity, gas, steam and air conditioning supply | 3 |
| Water supply; sewerage, waste management and remediation activities | 2 |
| Public administration and defence; compulsory social security | 2 |
| Real estate activities | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Camrose Early Years Centre for Children & Families Streatfield Road , NN5 7DE | 3out of 4 | 1,497 yd | Local authority nursery school | Yes | Mixed | More About School |
| Wallace Road Nursery School Wallace Road , NN2 7EE | 4out of 4 | 2,129 yd | Local authority nursery school | Yes | Mixed | More About School |
| Gloucester Nursery School Camborne Close , Delapre NN4 8PH | 4out of 4 | 3,125 yd | Local authority nursery school | Yes | Mixed | More About School |
| Parklands Nursery School Spinney Hill Road , NN3 6DW | 4out of 4 | 3,556 yd | Local authority nursery school | Yes | Mixed | More About School |
| Whitehills Nursery School Acre Lane , Kingsthorpe NN2 8DF | 3out of 4 | 3,935 yd | Local authority nursery school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Castle Academy St George's Street , NN1 2TR | 3out of 4 | 255 yd | Academy sponsor led | No | Mixed | More About School |
| Spring Lane Primary School Spring Lane , NN1 2JW | 3out of 4 | 671 yd | Academy sponsor led | Yes | Mixed | More About School |
| Vernon Terrace Primary School Vernon Terrace , NN1 5HE | 3out of 4 | 1,332 yd | Community school | Yes | Mixed | More About School |
| Malcolm Arnold Preparatory School Trinity Avenue , NN2 6JW | 3out of 4 | 1,340 yd | Free schools | No | Mixed | More About School |
| Stimpson Avenue Academy Stimpson Avenue , NN1 4LR | 2out of 4 | 1,445 yd | Academy sponsor led | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Malcolm Arnold Academy Trinity Avenue , NN2 6JW | 3out of 4 | 1,340 yd | Academy sponsor led | Not Applicable | Mixed | More About School |
| Northampton School for Boys Billing Road , NN1 5RT | 4out of 4 | 2,163 yd | Academy converter | Not Applicable | Boys | More About School |
| Northampton School for Girls Spinney Hill Road , NN3 6DG | 4out of 4 | 3,094 yd | Academy converter | No | Girls | More About School |
| Kingsthorpe College Boughton Green Road , Kingsthorpe NN2 7HR | 3out of 4 | 3,387 yd | Academy converter | No | Mixed | More About School |
| Abbeyfield School Mereway , NN4 8BU | 3out of 4 | 3,430 yd | Academy sponsor led | 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 | 4,219 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 | 3out of 4 | 263 yd | Free schools | No | Mixed | More About School |
| Wootton Park School Wootton Hall Park , NN4 0JA | 4out of 4 | 3,895 yd | Free schools | No | Mixed | More About School |
| The Duston School Berrywood Road , Duston NN5 6XA | 2out of 4 | 4,487 yd | Academy converter | No | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| The CE Academy Cromwell Campus , Poole Street NN1 3EX | 4out of 4 | 357 yd | Academy alternative provision converter | Not Applicable | Mixed | More About School |
| Bosworth Independent College Nazareth House , Leicester Parade NN2 6AF | - not rated | 537 yd | Other independent school | No | Mixed | More About School |
| Progress Schools - Northamptonshire 8 Notre Dame Mews , NN1 2BG | - not rated | 579 yd | Other independent special school | No | Mixed | More About School |
| Fairfields School Trinity Avenue , NN2 6JN | 4out of 4 | 1,359 yd | Community special school | Yes | Mixed | More About School |
| Northgate School Arts College Queen's Park Parade , Kingsthorpe NN2 6LR | 4out of 4 | 1,586 yd | Academy special converter | Not Applicable | Mixed | More About School |
School statistics for this postcode are based on Ofsted rankings.
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Spectrum Skills Training & Education | Unit 9, William Street | 1 yd | |
| Manna Food Corner & Cafe | 48 Duke Street, Northampton | 115 yd | |
| The Market Sanctuary | Simon de Senlis Court, Robert Street | 134 yd | |
| Northampton Hope Centre | 37 Ash Street, Northampton | 188 yd | |
| Royal Navy & Marine Assoc | Lorne Road, Northampton | 191 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Garibaldi & Taco Kitchen | @ The Garibaldi, 19-21 Bailiff Street | 118 yd | |
| The Lab Northampton | 97 Charles Street, Northampton | 169 yd | |
| Bat & Wickets PH | 117 Bailiff Street, Northampton | 202 yd | |
| The Charles Bradlaugh | 1-7 Earl Street, Northampton | 251 yd | |
| Edge of Town | 4 Regent Square, Northampton | 321 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Your favourites | 1 Lorne Road, Northampton | 187 yd | |
| Ping Chinese | 106 Bailiff Street, Northampton | 202 yd | |
| Old China | 14 Wellington Place, Northampton | 255 yd | |
| Calabash Hut | 9 Wellington Place, Northampton | 255 yd | |
| Golden Bowl | 13 Regent Square, Northampton | 301 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Marco Polo Euro Market | 108 Bailiff Street, Northampton | 202 yd | |
| ALDI Stores Ltd | Earl Street, Northampton | 276 yd | |
| Europe Supermarket | 102a Abington Street, Northampton | 582 yd | |
| Premier Abington Street | 96 Abington Street, Northampton | 610 yd | |
| S M Co-Op | 31-33 Semilong Road, Semilong | 617 yd |
| Facility Name | Sport Objects | Distance |
|---|---|---|
| The Polish Club CRAVEN STREET | 212 yd | |
| Mounts Baths Leisure Centre UPPER MOUNTS | health and fitness suite, swimming pool | 251 yd |
| Fit4Less (Northampton) ABINGTON STREET | health and fitness suite | 587 yd |
| Park Inn Radisson Hotel SILVER STREET | health and fitness suite, swimming pool | 701 yd |
| Derngate Gym (Closed) Newspaper House Newspaper House Derngate | health and fitness suite | 819 yd |
| Northampton Boys Brigade Old Boys Rfc ST. ANDREWS ROAD | grass pitches, health and fitness suite | 822 yd |
| Omni Studios Nene Centre Nene Centre Freehold Street | 854 yd | |
| Better Bodies Gym NENE ENTERPRISE CENTRE NENE ENTERPRISE CENTRE FREEHOLD STREET | health and fitness suite | 867 yd |
| Northampton Borough Council Air Bubble (Closed) Racecourse Pavilion Racecourse Pavilion Kettering Road | indoor tennis centre | 899 yd |
| Bst Mma SOL CENTRAL SOL CENTRAL MAREFAIR | health and fitness suite | 942 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 | 20.8% |
| Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband | 20.8% |
| Percentage of premises that have coverage from a Gigabit capable service from fixed broadband | 8.3% |
| 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 | 76.3 Mbit/s |
| Average download speed | 70.1 Mbit/s |
| Minimum download speed | 79.67 Mbit/s |
| Maximum download speed | 79.67 Mbit/s |
| Median upload speed | 20 Mbit/s |
| Average upload speed | 17.9 Mbit/s |
| Maximum upload speed | 20 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.