N21 9AJ
England
Updated September 2026
Compare this postcodeLocation overview
No publishable coordinate is available for this postcode.
Complete postcode fields and official codes
- Postcode
- N21 9AJ
- Status
- Terminated
- Introduced
- 1 August 2009
- Terminated
- 1 August 2010
- Postcode area
- N
- Postcode district
- N21
- Postcode sector
- N21 9
- Latitude
- Not published
- Longitude
- 0.000000
- British National Grid easting
- Not published
- British National Grid northing
- Not published
Statistical and administrative geographies
- Country
- England · E92000001
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
Explore N21
Census 2021
Population and age profile
- Postcode residents
- Not supplied
- Postcode households
- Not supplied
- Residents per household
- Not available
- Postcode sector residents
- Not available
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 not available.
GP practices
3
in this district
HIGHLANDS PRACTICE
HIGHLANDS HEALTHCARE CENTRE, 3 FLOREY SQUARE, WINCHMORE HILL, LONDON, N21 1UJ
ODS code F85035
THE WOODBERRY PRACTICE
1 WOODBERRY AVENUE, WINCHMORE HILL, LONDON, N21 3LE
ODS code F85020
WINCHMORE HILL PRACTICE
808 GREEN LANES, WINCHMORE HILL, LONDON, N21 2SA
ODS code F85033