MK3 5SF is an accessible, working-class neighbourhood on Portsea Grove, 0.5km from Newton Leyes in Bletchley. Administratively it sits within Bletchley East ward and the Milton Keynes South constituency.
For serious buyers, MK3 5SF is a culturally diverse area with a strong community identity. The 29 average age reflects a thriving young professional community — a good mix of renters and first-time buyers, with strong employment rates. 93% of residents own their home — above average for the district, consistent with a stable and sought-after address. Employment levels are high (65% in full-time work) — a well-connected, economically active community.
Safety: Crime rates are low here at 39 incidents per 1,000 residents — well below average and reassuring for families. Property: Average house prices are around £324k. The Index of Multiple Deprivation places this area in the most deprived 20% nationally — this often means more affordable prices and active local authority investment, but also fewer amenities and higher benefit dependency.
Census 2021 statistics for MK3 5SF are sourced from Output Area E00183631 (shared with 11 postcodes in this micro-neighbourhood). Property prices come from HM Land Registry.
PORTSEA GROVE, MK3 5SF House Prices & Local Information
Comprehensive demographic deep-dive and infrastructure audit for PORTSEA GROVE, MK3 5SF.
271
29
£ 52,500 /yr
70%
Neighbourhood Index
infoHow calculated?Score 1–10 — how this postcode ranks nationally (10 = top 10%)
Index Insight: MK3 5SF is ranked in the top 20% nationally for affluence, indicating a high-income demographic. It scores highly on the family-friendly index, suggesting a strong presence of family households and good proximity to schools. The area also shows excellent employment metrics, indicating a highly economically active population.
Area Character
MK3 5SF is a young, economically active community — 70% of working-age residents are in employment and the average age is just 29, signalling strong graduate retention. At £324k median prices, owner-occupier demand is intensifying as incomes rise.
mapGeographic Location
Demographic Deep-Dive
The Census 2021 data below shows the full population breakdown for MK3 5SF. The average age is 28.5. Figures are sourced from the Office for National Statistics and cover ethnicity, age, religion, education, occupation, housing tenure, and more.
Ethnicity Profile
Economic Activity
Community Makeup: Characterized by young property owners. A vibrant neighborhood where early-career professionals are getting on the housing ladder.
home Property Prices by Type
Detached
£ 340,000
2 sales · Mean £ 340,000
Terraced
£ 280,000
1 sales · Mean £ 280,000
Semi-Detached
£ 331,497
2 sales · Mean £ 331,497
gavel Crime Overview 12 Months (up to 2026-02)
MK3 5SF has low crime rates — 39 incidents per 1,000 residents. The most reported categories are violence and sexual offences and anti-social behaviour. Commercial streets and transport hubs naturally generate more incidents than quiet residential roads.
school Local Schools
Newton Leys Primary School
Water Hall Primary School
Sir Herbert Leon Academy
Drayton Park School
Bishop Parker Catholic School
storefront Nearby Amenities
Restaurant, Cafe
3 nearby- Costa Coffee0.5 km
- The Turing Key0.5 km
- Great Gelato (Ice Cream Shop)0.4 km
Takeaway Shop
3 nearby- Domino's Pizza0.5 km
- Moores Fish & Chips0.5 km
- Panda Town0.4 km
Retailers - Other
2 nearby- Asda0.5 km
- Vibrant Wellness Stockist UK0.8 km
train Transport Links
Train Stations
- Bletchley2.2 km
- Fenny Stratford3.2 km
- Bow Brickhill4.3 km
Bus Stops
- Rosevear Place0.2 km
- Bonaire Grange0.4 km
- Bonaire Grange0.4 km
- St Helena Avenue0.4 km
- St Helena Avenue0.5 km
Generated by PostcodeInfo.uk
Postcode Profile: MK35SF · Data under Open Government Licence