SE23 3SB

Forest Hill · Lewisham · England

Updated September 2026

Compare this postcode

Location overview

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Post town
London
Local authority
Lewisham
Postcode district
SE23
Postcode sector
SE23 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
SE23 3ES 37 m
SE23 3AT 52 m
SE23 3SH 81 m
SE23 3BF 96 m
SE23 3SJ 102 m
Complete postcode fields and official codes
Postcode
SE23 3SB
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SE
Postcode district
SE23
Postcode sector
SE23 3
Latitude
51.446462
Longitude
-0.054682
British National Grid easting
535,281
British National Grid northing
173,736

Statistical and administrative geographies

Country
England · E92000001
Region
London · E12000007
Local authority district
Lewisham · E09000023
Parish or community
E43000213
Output area
E00016489
Lower layer super output area
Lewisham 021C · E01003260
Middle layer super output area
Lewisham 021 · E02000673

Postcode source versions

Explore SE23

16 recorded sales at this postcode
Address Date Price
30, Honor Oak Road, London, SE23 3SB 8 January 2026 £890,000
28, Honor Oak Road, London, SE23 3SB 25 June 2021 £755,000
18, Honor Oak Road, London, SE23 3SB 30 April 2021 £1,150,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
239
Primary
144
Secondary
31
  1. Fairlawn Primary School

    Community school

    78 m
  2. Horniman Primary School

    Community school

    431 m
  3. Allenby Tutorial Trust

    Miscellaneous

    647 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
4,642
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 1,412
  • Anti social behaviour 653
  • Vehicle crime 538
  • Shoplifting 469
  • Other theft 311

Census 2021

Population and age profile

Postcode residents
17

9 female, 8 male

Postcode households
8
Residents per household
2.1
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

80

within 5 km

  • FOREST HILL GROUP PRACTICE

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

    ODS code G85001

    927 m

  • ONE CARE LAMBETH

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

    ODS code Y07020

    1.0 km

  • ONE CARE LEWISHAM

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

    ODS code Y08411

    1.0 km

  • SEL SPECIAL ALLOCATION PRACTICE

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

    ODS code Y06545

    1.0 km

  • SPECIAL ALLOCATION SCHEME (NEL)

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

    ODS code Y06592

    1.0 km

  • MODALITY LEWISHAM (ML)

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

    ODS code G85004

    1.1 km

  • THE LORDSHIP LANE SURGERY

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

    ODS code G85681

    1.3 km

  • VALE MEDICAL CENTRE

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

    ODS code G85696

    1.4 km

  • WOOLSTONE MEDICAL CENTRE

    WOOLSTONE ROAD, LONDON, SE23 2SG

    ODS code G85061

    1.5 km

  • THE DULWICH MEDICAL CENTRE

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

    ODS code G85651

    1.6 km

  • THE THREE ZERO SIX MEDICAL CENTRE

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

    ODS code G85091

    1.6 km

  • THE GARDENS SURGERY

    THE GARDENS, LONDON, SE22 9QU

    ODS code G85644

    1.8 km

  • WELLS PARK PRACTICE

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

    ODS code G85114

    1.9 km

  • THE NUNHEAD SURGERY

    58 NUNHEAD GROVE, NUNHEAD, LONDON, SE15 3LY

    ODS code G85685

    2.0 km

  • SYDENHAM GREEN GROUP PRACTICE

    26 HOLMSHAW CLOSE, SYDENHAM, LONDON, SE26 4TH

    ODS code G85024

    2.2 km

  • TESSA JOWELL GP SURGERY

    72H EAST DULWICH GROVE, LONDON, SE22 8EY

    ODS code G85132

    2.3 km

  • STERNHALL LANE SURGERY

    12 STERNHALL LANE, PECKHAM, LONDON, SE15 4NT

    ODS code G85119

    2.4 km

  • NOVUM HEALTH PARTNERSHIP

    THE PRIMARY CARE CENTRE, HAWSTEAD ROAD, LEWISHAM, LONDON, SE6 4JH

    ODS code G85633

    2.6 km

  • VESTA ROAD SURGERY

    58 VESTA ROAD, LONDON, SE4 2NH

    ODS code G85105

    2.7 km

  • DMC CHADWICK ROAD

    60 CHADWICK ROAD, PECKHAM, LONDON, SE15 4PU

    ODS code G85031

    2.7 km

Showing 20 of 80 matching practices.

Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.

Source acquired on 2026-09-05. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Fairlawn School

    BCT · Forest Hill

    0.0 miles
  • Fairlawn School

    BCT · Forest Hill

    0.1 miles
  • Horniman Drive

    BCT · Forest Hill

    0.1 miles
  • Horniman Drive

    BCT · Forest Hill

    0.1 miles
  • Netherby Road

    BCT · Honor Oak Park

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Lewisham 021C, 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

20,083 of 33,755

Income
6 of 10
Employment
6 of 10
Education and skills
9 of 10
Health and disability
8 of 10
Crime
6 of 10
Housing and services
4 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
0
Medium risk addresses
0
Low risk addresses
2
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

Property market

The five-year median is £890,000 from 1 recorded sale in SE23 3SB. 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

239 open schools are in scope, including 144 primary and 31 secondary schools. Fairlawn Primary School is the nearest published school at 78 m.

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

Recorded crime

4,642 published events cover 12 months, averaging 386.833 events per published month. The largest recorded category is Violence and sexual offences with 1,412 events.

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