CB21 4ER is a sought-after residential area on Mays Avenue, 0.1km from Balsham in Balsham. Administratively it sits within Balsham ward and the South East Cambridgeshire constituency.
An affordable area with active regeneration, CB21 4ER is a diverse rural area with a mix of families, workers and retirees. During the day, mainly white older workforce, self-employed in agriculture, forestry and fishing, with some construction. A balanced community with an average age of 42 — families, professionals, and long-term residents all well represented. 42% of homes are socially rented, reflecting the area's public housing provision and council presence.
Safety: Crime rates are low here at 18 incidents per 1,000 residents — well below average and reassuring for families. Property: Average house prices are around £270k, down 59.0% year-on-year. The area ranks among the least deprived 20% in England — a strong signal of community wellbeing, good schools, and low crime.
Census 2021 statistics for CB21 4ER are sourced from Output Area E00091899 (shared with 39 postcodes in this micro-neighbourhood). Property prices come from HM Land Registry.
MAYS AVENUE, CB21 4ER House Prices & Local Information
Comprehensive demographic deep-dive and infrastructure audit for MAYS AVENUE, CB21 4ER.
326
42
£ 55,200 /yr
52%
Neighbourhood Index
infoHow calculated?Score 1–10 — how this postcode ranks nationally (10 = top 10%)
Index Insight: CB21 4ER is ranked in the top 20% nationally for affluence, indicating a high-income demographic.
Area Character
CB21 4ER has a significant social housing presence — 42% of homes are socially rented, reflecting substantial council or housing association provision. Despite the social housing concentration, crime here is lower than expected — a positive signal. Property prices are trending down 59.0% year-on-year.
mapGeographic Location
Demographic Deep-Dive
The Census 2021 data below shows the full population breakdown for CB21 4ER. The average age is 42.4. Figures are sourced from the Office for National Statistics and cover ethnicity, age, religion, education, occupation, housing tenure, and more.
Ethnicity Profile
Economic Activity
Age & Housing: A mid-life demographic with high rental density. The population consists largely of working adults in their thirties and forties renting their homes.
home Property Prices by Type
Terraced
£ 125,000
3 sales · Mean £ 126,000
Semi-Detached
£ 237,500
4 sales · Mean £ 238,750
gavel Crime Overview 12 Months (up to 2026-02)
CB21 4ER has low crime rates — 18 incidents per 1,000 residents. The most reported categories are violence and sexual offences and vehicle crime. Commercial streets and transport hubs naturally generate more incidents than quiet residential roads.
school Local Schools
Meadow Primary School
storefront Nearby Amenities
Pub, NightClub
2 nearby- The Bell Inn0.5 km
- The Black Bull0.2 km
Restaurant, Cafe
2 nearby- Sweet Tempations iL Ltd0.6 km
- The Old Butchers0.3 km
Retailers - Other
1 nearby- Balsham Stores & Post Office Ltd.0.2 km
train Transport Links
Train Stations
- Dullingham8.4 km
- Whittlesford Parkway10.6 km
- Great Chesterford11.5 km
Generated by PostcodeInfo.uk
Postcode Profile: CB214ER · Data under Open Government Licence