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SE23

UK postcode district

Updated September 2026

District overview

Postcode units
1,082
Current units
625
Coordinate coverage
98%
Electoral wards
6

Coverage context

Countries represented
England
English regions represented
London
Local authority codes
2
Terminated postcode units
457

Postcode sectors in SE23

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

4 sectors

Property

Across this district

View property report
19,492 recorded sales at this postcode
Address Date Price
3, Courtrai Road, London, SE23 1PL 24 July 2026 £768,500
105, Brenchley Gardens, London, SE23 3RE 22 July 2026 £815,000
10, Parbury Road, London, SE23 1PA 16 July 2026 £990,000

Schools

Across this district

View schools report
Open schools
13
Primary
10
Secondary
1

Recorded crime

Across this district

View crime report
Published events
2,933
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 993
  • Anti social behaviour 422
  • Vehicle crime 344
  • Shoplifting 196
  • Other theft 187

Census 2021

Population and age profile

SE23 usual residents
34,644
Age-profile population
35,155

Age bands in SE23

Postcode district
Age 0 to 14
19.1%

6,730 residents

Age 15 to 24
8.9%

3,132 residents

Age 25 to 44
38%

13,348 residents

Age 45 to 64
24.1%

8,480 residents

Age 65 and over
9.9%

3,465 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 601 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%

544 postcode units had 100% superfast coverage, 467 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

7

in this district

  • MODALITY LEWISHAM (ML)

    JENNER HEALTH CENTRE 201-203, STANSTEAD ROAD, FOREST HILL, LONDON, SE23 1HU

    ODS code G85004

  • ONE CARE LAMBETH

    JENNER DENTAL SUITE, 14 ST. GERMAN'S ROAD, LONDON, SE23 1RJ

    ODS code Y07020

  • ONE CARE LEWISHAM

    THE JENNER DENTAL SUITE, 14 ST GERMANS ROAD, LONDON, SE23 1RJ

    ODS code Y08411

  • SEL SPECIAL ALLOCATION PRACTICE

    THE JENNER DENTAL SUITE, 14 ST. GERMANS ROAD, LONDON, SE23 1RJ

    ODS code Y06545

  • SPECIAL ALLOCATION SCHEME (NEL)

    JENNER DENTAL CLINIC, 14 ST GERMANS ROAD, LONDON, SE23 1RJ

    ODS code Y06592

  • VALE MEDICAL CENTRE

    195-197 PERRY VALE, FOREST HILL, LONDON, SE23 2JF

    ODS code G85696

  • WOOLSTONE MEDICAL CENTRE

    WOOLSTONE ROAD, LONDON, SE23 2SG

    ODS code G85061

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 £480,003 from 2,640 recorded sales in SE23. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Lewisham is £491,259 in June 2026, up 0.6% year on year.

Schools

Published establishments

13 open schools are in scope, including 10 primary and 1 secondary schools.

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

Recorded crime

Published police records

2,933 published events cover 12 months, averaging 244.417 events per published month. The largest recorded category is Violence and sexual offences with 993 events.

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