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SE21

UK postcode district

Updated September 2026

District overview

Postcode units
535
Current units
296
Coordinate coverage
99%
Electoral wards
5

Coverage context

Countries represented
England
English regions represented
London
Local authority codes
2
Terminated postcode units
239

Postcode sectors in SE21

Choose a sector to browse its complete postcode-unit directory.

3 sectors

Property

Across this district

View property report
7,432 recorded sales at this postcode
Address Date Price
21, Coney Acre, London, SE21 8LL 9 July 2026 £915,000
7, College Road, London, SE21 7BQ 9 July 2026 £3,210,000
10, Ryecotes Mead, London, SE21 7EP 7 July 2026 £475,000

Schools

Across this district

View schools report
Open schools
11
Primary
4
Secondary
1

Recorded crime

Across this district

View crime report
Published events
1,345
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 344
  • Vehicle crime 205
  • Anti social behaviour 164
  • Other theft 145
  • Burglary 119

Census 2021

Population and age profile

SE21 usual residents
15,210
Age-profile population
15,124

Age bands in SE21

Postcode district
Age 0 to 14
20.3%

3,075 residents

Age 15 to 24
10.8%

1,638 residents

Age 25 to 44
28.9%

4,367 residents

Age 45 to 64
26.2%

3,968 residents

Age 65 and over
13.7%

2,076 residents

How to read these estimates
The standard postcode headcounts and the commissioned age table are separate ONS outputs. Small counts are disclosure-controlled, and totals can differ slightly between tables. Coverage is England and Wales only.

Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.

Fixed broadband coverage

The median Ofcom availability percentage across 281 current postcode units in this district. Each postcode is weighted equally, not by premises.

Superfast, 30 Mbit/s+
100%
Ultrafast, 100 Mbit/s+
100%
Ultrafast, 300 Mbit/s+
100%
Gigabit-capable
100%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
0%

264 postcode units had 100% superfast coverage, 207 had 100% gigabit-capable coverage, and 0 had at least some premises without decent fixed or fixed-wireless access.

Coverage is a modelled postcode-level snapshot, not a speed test or a guarantee for a named property. Check availability with providers before making a decision. Ofcom does not publish postcode-level full-fibre coverage in this release for commercial-confidentiality reasons.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

NHS ODS

GP practices

2

in this district

  • PAXTON GREEN GROUP PRACTICE

    PAXTON GREEN HEALTH CENTRE, 1 ALLEYN PARK, LONDON, SE21 8AU

    ODS code G85039

  • THE OLD DAIRY HEALTH CENTRE

    19B CROXTED ROAD, WEST DULWICH, LONDON, SE21 8SZ

    ODS code G85706

Organisation records, not service availability
These are records marked active in NHS England's Organisation Data Service for England and Wales. Branch surgeries, pharmacies, dentists and hospitals are not included. They do not confirm patient registration, services, opening hours, appointments or care quality. Distances are straight-line from the postcode point.

Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Evidence in context

A factual reading of the data in this report's scope. It is not a location score or a recommendation.

Property market

Recorded sales

The five-year median is £685,000 from 917 recorded sales in SE21. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Southwark is £582,473 in June 2026, up 2.2% year on year.

Schools

Published establishments

11 open schools are in scope, including 4 primary and 1 secondary schools.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

Published police records

1,345 published events cover 12 months, averaging 112.083 events per published month. The largest recorded category is Violence and sexual offences with 344 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.