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SE23 3BY

Forest Hill · Lewisham · England

Updated September 2026

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Location overview

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Ward
Forest Hill
Local authority
Lewisham
Constituency
Lewisham West and East Dulwich
Postcode district
SE23
Postcode sector
SE23 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
SE23 3BZ 26 m
SE23 3QB 54 m
SE23 3BS 55 m
SE23 3QD 87 m
SE23 3QE 90 m
Complete postcode fields and official codes
Postcode
SE23 3BY
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SE
Postcode district
SE23
Postcode sector
SE23 3
Latitude
51.443312
Longitude
-0.058845
British National Grid easting
535,001
British National Grid northing
173,378

Statistical and administrative geographies

Country
England · E92000001
Region
London · E12000007
Local authority district
Lewisham · E09000023
Electoral ward
Forest Hill · E05013722
Parish or community
E43000213
Westminster constituency
Lewisham West and East Dulwich · E14001333
Output area
E00016445
Lower layer super output area
Lewisham 021A · E01003254
Middle layer super output area
Lewisham 021 · E02000673

Postcode source versions

Explore SE23

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
230
Primary
137
Secondary
30

  1. Horniman Primary School

    Community school

    60 m

  2. Fairlawn Primary School

    Community school

    523 m

  3. Eliot Bank Primary School

    Community school

    722 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
4,261
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 1,324
  • Anti social behaviour 614
  • Vehicle crime 532
  • Shoplifting 372
  • Other theft 279

Census 2021

Population and age profile

Postcode residents
17

7 female, 10 male

Postcode households
6
Residents per household
2.8
SE23 3 residents
11,811

Age bands in SE23 3

Wider postcode sector
Age 0 to 14
18.5%

2,283 residents

Age 15 to 24
8.7%

1,076 residents

Age 25 to 44
38.2%

4,708 residents

Age 45 to 64
25.1%

3,091 residents

Age 65 and over
9.4%

1,157 residents

This postcode contained 0.1% of the sector's usual residents on Census Day. The age profile describes the wider SE23 3 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+
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%

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.

GP practices

81

within 5 km straight-line

  • THE LORDSHIP LANE SURGERY

    417 LORDSHIP LANE, EAST DULWICH, LONDON, SE22 8JN

    ODS code G85681

    1.1 km

  • FOREST HILL GROUP PRACTICE

    1 FOREST HILL ROAD, DULWICH, LONDON, SE22 0SQ

    ODS code G85001

    1.2 km

  • ONE CARE LAMBETH

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

    ODS code Y07020

    1.3 km

  • ONE CARE LEWISHAM

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

    ODS code Y08411

    1.3 km

  • SEL SPECIAL ALLOCATION PRACTICE

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

    ODS code Y06545

    1.3 km

  • SPECIAL ALLOCATION SCHEME (NEL)

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

    ODS code Y06592

    1.3 km

  • MODALITY LEWISHAM (ML)

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

    ODS code G85004

    1.3 km

  • VALE MEDICAL CENTRE

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

    ODS code G85696

    1.4 km

  • WELLS PARK PRACTICE

    1 WELLS PARK ROAD, SYDENHAM, LONDON, SE26 6JQ

    ODS code G85114

    1.5 km

  • THE THREE ZERO SIX MEDICAL CENTRE

    306 MEDICAL CENTRE, 306 LORDSHIP LANE, LONDON, SE22 8LY

    ODS code G85091

    1.5 km

  • WOOLSTONE MEDICAL CENTRE

    WOOLSTONE ROAD, LONDON, SE23 2SG

    ODS code G85061

    1.6 km

  • THE DULWICH MEDICAL CENTRE

    163-169 CRYSTAL PALACE ROAD, EAST DULWICH, LONDON, SE22 9EP

    ODS code G85651

    1.6 km

  • THE GARDENS SURGERY

    THE GARDENS, LONDON, SE22 9QU

    ODS code G85644

    2.0 km

  • SYDENHAM GREEN GROUP PRACTICE

    26 HOLMSHAW CLOSE, SYDENHAM, LONDON, SE26 4TH

    ODS code G85024

    2.1 km

  • THE NUNHEAD SURGERY

    58 NUNHEAD GROVE, NUNHEAD, LONDON, SE15 3LY

    ODS code G85685

    2.3 km

  • TESSA JOWELL GP SURGERY

    72H EAST DULWICH GROVE, LONDON, SE22 8EY

    ODS code G85132

    2.3 km

  • THE OLD DAIRY HEALTH CENTRE

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

    ODS code G85706

    2.4 km

  • PAXTON GREEN GROUP PRACTICE

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

    ODS code G85039

    2.4 km

  • STERNHALL LANE SURGERY

    12 STERNHALL LANE, PECKHAM, LONDON, SE15 4NT

    ODS code G85119

    2.7 km

  • ELM LODGE SURGERY

    2 BURBAGE ROAD, LONDON, SE24 9HJ

    ODS code G85051

    2.8 km

Showing 20 of 81 matching practices.

Nearby transport

  • Ewelme Road

    BCT · Forest Hill

    0.1 miles

  • Ewelme Road

    BCT · Forest Hill

    0.1 miles

  • South View Court

    BCT · Forest Hill

    0.1 miles

  • South View Court

    BCT · Forest Hill

    0.2 miles

  • Horniman Drive

    BCT · Forest Hill

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Lewisham 021A, 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

6 of 10

Overall England rank

20,123 of 33,755

Income
6 of 10
Employment
7 of 10
Education and skills
10 of 10
Health and disability
8 of 10
Crime
5 of 10
Housing and services
4 of 10
Living environment
1 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
0
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

230 open schools are in scope, including 137 primary and 30 secondary schools. Horniman Primary School is the nearest published school at 60 m.

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

Recorded crime

4,261 published events cover 12 months, averaging 355.083 events per published month. The largest recorded category is Violence and sexual offences with 1,324 events.

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