St Marys Avenue is in Bletchley, Milton Keynes and in Milton Keynes district. MK3 5DT is located in the Bletchley Park electoral ward, within the English Parliamentary constituency of Milton Keynes South. This postcode has been in use since 1980-01-01.
StreetScan combines information about St Marys Avenue, Bletchley, Milton Keynes, MK3 5DT and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: MK3 5HF, MK3 5DS, MK3 5JD, MK3 5JB, MK3 5DR, MK3 5GZ, MK3 5BY, MK3 5DH, MK3 5BT.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The local area around MK3 5DT is generally consistent with those figures, having a male population of 49.5%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 52.5% | 50.5% | -2.0% | 51.0% | -0.5% |
| Male | 47.5% | 49.5% | 2.0% | 49.0% | 0.5% |
Across the UK, the average relationship status breakdown is roughly 44% married, 38% single, 9% divorced, 6% widowed, and 2% separated.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Single | 29.8% | 37.7% | 7.9% | 37.9% | -0.2% |
| Married: Opposite sex | 46.8% | 41.9% | -4.9% | 44.2% | -2.3% |
| Separated | 3.6% | 4.2% | 0.6% | 2.2% | 2.0% |
| Divorced | 13.3% | 10.7% | -2.6% | 9.1% | 1.6% |
| Widowed | 6.5% | 5.5% | -1.0% | 6.1% | -0.6% |
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.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Very good health | 49.1% | 46.6% | -2.5% | 48.4% | -1.8% |
| Good health | 31.8% | 35.3% | 3.5% | 33.6% | 1.7% |
| Fair health | 13% | 13.4% | 0.4% | 12.7% | 0.7% |
| Bad health | 4.3% | 3.4% | -0.9% | 4.0% | -0.6% |
| Very bad health | 1.9% | 1.3% | -0.6% | 1.2% | 0.1% |
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 | 22.2% | 19.4% | -2.8% | 18.2% | 1.2% |
| 1-4 GCSEs or Equivalent | 20.2% | 16.6% | -3.6% | 9.6% | 7.0% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 15.7% | 11.8% | -3.9% | 13.4% | -1.6% |
| Apprenticeship | 3.2% | 6.6% | 3.4% | 5.3% | 1.3% |
| HNC, HND or 2+ A Levels | 14.5% | 17.6% | 3.1% | 16.9% | 0.7% |
| Degree or Similar | 17.3% | 23.5% | 6.2% | 33.8% | -10.3% |
| Other | 6.9% | 4.5% | -2.4% | 2.8% | 1.7% |
This area closely mirrors the overall ethnic composition of the UK, with 83% of the population identifying as white, with UK average of 81.4%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Bangladeshi | 0.9% | 2.1% | 1.2% | 1.1% | 1.0% |
| Indian | 0.9% | 0% | -0.9% | 3.1% | -3.1% |
| Pakistani | 0% | 2.8% | 2.8% | 2.7% | 0.1% |
| Other Asian | 0% | 0.3% | 0.3% | 1.6% | -1.3% |
| Black African | 2.5% | 3.6% | 1.1% | 2.5% | 1.1% |
| Black Caribbean | 1.5% | 0.8% | -0.7% | 1.0% | -0.2% |
| Other Black | 0% | 0.8% | 0.8% | 0.5% | 0.3% |
| Mixed White and Asian | 0% | 1.8% | 1.8% | 0.8% | 1.0% |
| Mixed White and African | 0.3% | 0.8% | 0.5% | 0.4% | 0.4% |
| Mixed White and Caribbean | 2.2% | 1% | -1.2% | 0.9% | 0.1% |
| Mixed Other | 0.6% | 1% | 0.4% | 0.8% | 0.2% |
| White | 90.4% | 83% | -7.4% | 81.4% | 1.6% |
| Roma | 0% | 1.3% | 1.3% | 0.2% | 1.1% |
| Arab | 0.3% | 0% | -0.3% | 0.6% | -0.6% |
| Other | 0.3% | 0.8% | 0.5% | 1.6% | -0.8% |
In this area, 84.3% of the population were born in the United Kingdom, which is similar to the UK average of 83.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| United Kingdom | 89.8% | 84.3% | -5.5% | 83.2% | 1.1% |
| European Union | 4% | 9.1% | 5.1% | 6.1% | 3.0% |
| Africa | 3.4% | 3.4% | 0.0% | 2.7% | 0.7% |
| Middle East and Asia | 2.2% | 2.9% | 0.7% | 5.6% | -2.7% |
| The Americas and the Caribbean | 0.6% | 0.3% | -0.3% | 1.3% | -1.0% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 88.3% | 84.6% | -3.7% | 83.2% | 1.4% |
| 10+ Years | 0% | 11% | 11.0% | 9.8% | 1.2% |
| 5-10 Years | 1.9% | 2.1% | 0.2% | 2.9% | -0.8% |
| 2-5 Years | 1.2% | 2.1% | 0.9% | 2.2% | -0.1% |
| Less than 2 years | 8.6% | 0.3% | -8.3% | 1.9% | -1.6% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 73.6% | 76.7% | -3.1% |
| Ireland | 1.3% | 0.6% | 0.7% |
| France | 0.3% | 0.3% | 0.0% |
| Germany | 0.3% | 0.2% | 0.1% |
| Italy | 2.6% | 0.6% | 2.0% |
| Spain | 0.3% | 0.4% | -0.1% |
| Poland | 1% | 1.3% | -0.3% |
| Romania | 1.3% | 0.9% | 0.4% |
| Other EU countries | 1.6% | 1.5% | 0.1% |
| Central and Western Africa | 1.3% | 0.3% | 1.0% |
| South and Eastern Africa | 0.5% | 0.2% | 0.3% |
| Southern Asia | 0.3% | 1.2% | -0.9% |
| North America and the Caribbean | 0.3% | 0.3% | 0.0% |
| No passport held | 15.4% | 13.5% | 1.9% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 40.9% | 37.2% | 3.7% |
| Christian | 49.3% | 46.2% | 3.1% |
| Buddhist | 0.3% | 0.5% | -0.2% |
| Muslim | 5% | 6.5% | -1.5% |
| Sikh | 0.3% | 0.9% | -0.6% |
| Not answered | 4.2% | 6.0% | -1.8% |
Over the last 12 months, the overall crime rate around St Marys Avenue was 73.3 per 1,000 residents, which is 6.8% lower than the Bletchley Park average. The most reported crime type was Violence and sexual offences.
St Marys Avenue has the 25th highest crime rate of 68 local areas in Bletchley Park and the 356th highest crime rate of 855 local areas in Milton Keynes .
Violent and sexual offences accounted for around 41.9 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has fallen by about -7.3%.

Households in this area have a higher level of wealth to the average household in England and Wales. 79% of analyzed areas in England and Wales have lower average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 25 St Marys Avenue, Milton Keynes, Milton Keynes Flats/Maisonettes, an established residential building | £70,000 | 2024-07-17 | £71,010 |
| 4 St Marys Avenue, Milton Keynes, Milton Keynes Semi-Detached, an established residential building | £350,500 | 2022-07-11 | £381,502 |
| 7 St Marys Avenue, Milton Keynes, Milton Keynes Semi-Detached, an established residential building | £360,000 | 2020-11-27 | £450,970 |
| 10 St Marys Avenue, Milton Keynes, Milton Keynes Semi-Detached, an established residential building | £320,000 | 2020-01-28 | £412,725 |
| 4 St Marys Avenue, Milton Keynes, Milton Keynes Semi-Detached, an established residential building | £285,000 | 2019-08-27 | £366,229 |
| Full-Time Employee | 116 |
| Retired | 49 |
| Part-Time Employee | 30 |
| Self-Employed | 26 |
| Looking after home or family | 15 |
| Other | 12 |
| Full-Time Student (with or without job) | 12 |
| Unemployed | 11 |
| Student (economically inactive) | 8 |
| Long-Term Sick or disabled | 8 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 23 |
| Construction | 17 |
| Manufacturing | 13 |
| Education | 10 |
| Human health and social work activities | 10 |
| Transport and storage | 10 |
| Other | 9 |
| Information and communication | 9 |
| Public administration and defence; compulsory social security | 7 |
| Financial and insurance activities | 5 |
| Administrative and support service activities | 4 |
| Accommodation and food service activities | 4 |
| Professional, scientific and technical activities | 3 |
| Water supply; sewerage, waste management and remediation activities | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Knowles Nursery School Queensway , Bletchley MK2 2HB | 3out of 4 | 2,621 yd | Local authority nursery school | Yes | Mixed | More About School |
| Moorlands Centre Nursery School Beanhill Local Centre , Dodkin MK6 4LP | 3out of 4 | 3,793 yd | Local authority nursery school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| St Thomas Aquinas Catholic Primary School St Mary's Avenue , Bletchley MK3 5DT | 4out of 4 | 177 yd | Voluntary aided school | No | Mixed | More About School |
| Chestnuts Primary School Buckingham Road , Bletchley MK3 5EN | 3out of 4 | 462 yd | Academy converter | No | Mixed | More About School |
| Holne Chase Primary School Buckingham Road , MK3 5HP | - not rated | 841 yd | Academy sponsor led | No | Mixed | More About School |
| Rickley Park Primary School Rickley Lane , MK3 6EW | 3out of 4 | 1,036 yd | Academy converter | Yes | Mixed | More About School |
| Barleyhurst Park Primary Forfar Drive , Bletchley MK3 7NA | 3out of 4 | 1,545 yd | Community school | No | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Lord Grey Academy Rickley Lane , Bletchley MK3 6EW | 3out of 4 | 1,198 yd | Academy sponsor led | No | Mixed | More About School |
| Sir Herbert Leon Academy Fern Grove , Bletchley MK2 3HQ | 2out of 4 | 2,698 yd | Academy sponsor led | Not Applicable | Mixed | More About School |
| Shenley Brook End School Walbank Grove , Shenley Brook End MK5 7ZT | 3out of 4 | 3,075 yd | Academy converter | Not Applicable | Mixed | More About School |
| St Paul's Catholic School Phoenix Drive , Leadenhall MK6 5EN | 3out of 4 | 4,346 yd | Voluntary aided school | No | Mixed | More About School |
| The Milton Keynes Academy Fulwoods Drive , MK6 5LA | 3out of 4 | 4,629 yd | Academy sponsor led | Not Applicable | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Milton Keynes College Chaffron Way Centre , Woughton Campus West MK6 5LP | - not rated | 4,598 yd | Further education | Not Applicable | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Cambian Bletchley Park School Whaddon Way , Bletchley MK3 7EB | - not rated | 935 yd | Other independent special school | Not Applicable | Mixed | More About School |
| Milton Keynes Preparatory School Tattenhoe Lane , MK3 7EG | - not rated | 970 yd | Other independent school | Yes | Mixed | More About School |
| White Spire School Rickley Lane , Bletchley MK3 6EW | 4out of 4 | 1,201 yd | Community special school | Not Applicable | Mixed | More About School |
| Milton Keynes Primary Pupil Referral Unit Shenley Road , Romans Field Site MK3 7AW | 3out of 4 | 1,252 yd | Pupil referral unit | Not Applicable | Mixed | More About School |
| Romans Field School Shenley Road , Bletchley MK3 7AW | 3out of 4 | 1,306 yd | Community special school | No | Mixed | More About School |
School statistics for this postcode are based on Ofsted rankings.
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Baked by Radka | Flat G, 6 Shenley Road | 382 yd | |
| House of Chicken | 200 Whaddon Way | 802 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Three Trees | 144 Buckingham Road | 142 yd | |
| Scots Sports and Social Club | Sportsground, Selbourne Avenue | 320 yd | |
| The Old Swan | 8 Shenley Road | 398 yd | |
| St Martins Bowls Club | Shenley Road | 796 yd | |
| Eight Belles Public House | The Eight Belles, 28 Buckingham Road | 930 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| St Marys Chippy | 20 St Marys Avenue | 1 yd | |
| Shanghai House Chinese Takeaway | 27 St Marys Avenue | 1 yd | |
| Favorite Chicken & Ribs | Whaddon Way | 424 yd | |
| The Village Plaice | 198 Whaddon Way | 802 yd | |
| Tandoori Hut | 220 Whaddon Way | 802 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Co-op | Newton Road | 297 yd | |
| Tesco Stores Ltd | 125 Buckingham Road | 389 yd |
| Facility Name | Sport Objects | Distance |
|---|---|---|
| Chestnuts Primary School ST. GEORGES ROAD | grass pitches | 457 yd |
| Scot Sport & Social Club SELBOURNE AVENUE | grass pitches | 660 yd |
| Holne Chase Primary School BUCKINGHAM ROAD | grass pitches | 762 yd |
| Rickley Park RICKLEY PARK RICKLEY PARK SHENLEY ROAD | grass pitches | 849 yd |
| Derwent Drive Playing Fields DERWENT DRIVE | grass pitches | 908 yd |
| Tattenhoe Lane Sports Ground SEVERN WAY | grass pitches | 999 yd |
| Rickley Park Primary School RICKLEY LANE | artificial grass pitch | 1,052 yd |
| Milton Keynes Preparatory School TATTENHOE LANE | artificial grass pitch | 1,093 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 | 58.1% |
| 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 | 79.7 Mbit/s |
| Average download speed | 93.8 Mbit/s |
| Minimum download speed | 159.93 Mbit/s |
| Maximum download speed | 159.93 Mbit/s |
| Median upload speed | 20 Mbit/s |
| Average upload speed | 21.1 Mbit/s |
| Maximum upload speed | 30.04 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.