Property market
The five-year median is £497,500 from 4 recorded sales in CB21 4NX. This is a recorded-sale statistic, not a current valuation.
The latest UK House Price Index average for Uttlesford is £482,652 in June 2026, up 3.5% year on year.
CB21 4NX
Ashdon · Uttlesford · England
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Cambridge
- Ward
- Ashdon
- Local authority
- Uttlesford
- Constituency
- North West Essex
- Postcode district
- CB21
- Postcode sector
- CB21 4
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- CB21 4NX
- Status
- Current
- Introduced
- 1 September 2006
- Terminated
- Not published
- Postcode area
- CB
- Postcode district
- CB21
- Postcode sector
- CB21 4
- Latitude
- 52.079504
- Longitude
- 0.272333
- British National Grid easting
- 555,810
- British National Grid northing
- 244,784
Statistical and administrative geographies
- Country
- England · E92000001
- Region
- East of England · E12000006
- Local authority district
- Uttlesford · E07000077
- Electoral ward
- Ashdon · E05009910
- Parish or community
- E04004136
- Westminster constituency
- North West Essex · E14001402
- Output area
- E00112068
- Lower layer super output area
- Uttlesford 001A · E01022057
- Middle layer super output area
- Uttlesford 001 · E02004591
Postcode source versions
- Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
- Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
- Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence
Explore CB21
Property
24 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Bardsfield, Walden Road, Hadstock, Cambridge, CB21 4NX | 20 March 2026 | £635,000 |
| Chantry House, Walden Road, Hadstock, Cambridge, CB21 4NX | 14 August 2024 | £1,050,000 |
| Kings Cottage, Walden Road, Hadstock, Cambridge, CB21 4NX | 2 June 2023 | £360,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 6
- Primary
- 4
- Secondary
- 1
- 1.9 km
Granta School
Community special school
- 2.1 km
Linton CofE Infant School
Voluntary aided school
- 2.1 km
Linton Village College
Academy converter
Census 2021
Population and age profile
- Postcode residents
- 43
- Postcode households
- 18
- Residents per household
- 2.4
- CB21 4 residents
- 8,308
20 female, 23 male
Age bands in CB21 4
Wider postcode sector- Age 0 to 14
- 15.5%
- Age 15 to 24
- 9.7%
- Age 25 to 44
- 19.2%
- Age 45 to 64
- 30.1%
- Age 65 and over
- 25.4%
1,291 residents
811 residents
1,600 residents
2,504 residents
2,116 residents
This postcode contained 0.5% of the sector's usual residents on Census Day. The age profile describes the wider CB21 4 sector, not people in this individual postcode.
Small counts are adjusted for privacy, so totals can differ slightly between Census tables.
Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.
Fixed broadband coverage
Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.
- Superfast, 30 Mbit/s+
- 100%
- Ultrafast, 100 Mbit/s+
- 0%
- Ultrafast, 300 Mbit/s+
- 0%
- Gigabit-capable
- 0%
- Unable to receive decent fixed or FWA broadband
- 0%
- Next Generation Access
- 100%
- Decent broadband available from fixed wireless
- 0%
Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.
Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.
Nearby transport
- 0.1 miles
The Library
BCT · Hadstock
- 0.1 miles
The Kings Head
BCT · Hadstock
- 1.5 miles
Mitchells Cottages
BCT · Little Walden
- 2.2 miles
The Crown
BCT · Little Walden
- 2.4 miles
Fallowden Lane
BCT · Ashdon
Relative deprivation
English Indices of Deprivation 2025 for Uttlesford 001A, the published LSOA linked to this postcode. Decile 1 contains the most deprived 10% of English LSOAs and decile 10 the least deprived 10%.
Overall IMD decile
8 of 10
Overall England rank
25,186 of 33,755
- Income
- 10 of 10
- Employment
- 10 of 10
- Education and skills
- 9 of 10
- Health and disability
- 10 of 10
- Crime
- 10 of 10
- Housing and services
- 1 of 10
- Living environment
- 2 of 10
These are relative area statistics, not measures of an individual household, affluence or absolute change. They cannot be compared with indices for other UK nations. Source: English Indices of Deprivation 2025, version 2025-v2.
Flood risk
Environment Agency long-term indicators for the area around addresses in this postcode. They are not an assessment of any individual property and do not show current or forecast flooding.
- High risk addresses
- 1
- Medium risk addresses
- 0
- Low risk addresses
- 0
- Groundwater flood alert area
- Unlikely
Source: Environment Agency flood-risk postcode search tool data, version 2026-06-18. Check the long-term risk for an individual area. © Environment Agency copyright and/or database right 2025. All rights reserved.
Evidence in context
Schools
6 open schools are in scope, including 4 primary and 1 secondary schools. Granta School is the nearest published school at 1.2 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.