SE23 3LN

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 3LZ 30 m
SE23 3SZ 59 m
SE23 3SY 69 m
SE23 3NA 88 m
SE23 3LY 106 m
Complete postcode fields and official codes
Postcode
SE23 3LN
Status
Terminated
Introduced
1 February 1990
Terminated
1 December 1991
Postcode area
SE
Postcode district
SE23
Postcode sector
SE23 3
Latitude
51.444289
Longitude
-0.051623
British National Grid easting
535,500
British National Grid northing
173,500

Statistical and administrative geographies

Country
England · E92000001
Region
London · E12000007
Local authority district
Lewisham · E09000023
Parish or community
E43000213
Output area
E00016449
Lower layer super output area
Lewisham 021E · E01003262
Middle layer super output area
Lewisham 021 · E02000673

Postcode source versions

Explore SE23

1 recorded sale at this postcode
Address Date Price
4, Ground Floor Flat C, Waldram Crescent, London, SE23 3LN 21 December 2001 £85,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
227
Primary
138
Secondary
28
  1. Allenby Tutorial Trust

    Miscellaneous

    356 m
  2. Fairlawn Primary School

    Community school

    376 m
  3. Horniman Primary School

    Community school

    528 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
4,588
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 1,531
  • Anti social behaviour 675
  • Vehicle crime 545
  • Other theft 301
  • Criminal damage and arson 268

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
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

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.

GP practices

73

within 5 km straight-line

  • ONE CARE LAMBETH

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

    ODS code Y07020

    764 m

  • ONE CARE LEWISHAM

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

    ODS code Y08411

    764 m

  • SEL SPECIAL ALLOCATION PRACTICE

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

    ODS code Y06545

    764 m

  • SPECIAL ALLOCATION SCHEME (NEL)

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

    ODS code Y06592

    764 m

  • MODALITY LEWISHAM (ML)

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

    ODS code G85004

    778 m

  • VALE MEDICAL CENTRE

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

    ODS code G85696

    1.1 km

  • WOOLSTONE MEDICAL CENTRE

    WOOLSTONE ROAD, LONDON, SE23 2SG

    ODS code G85061

    1.2 km

  • FOREST HILL GROUP PRACTICE

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

    ODS code G85001

    1.2 km

  • THE LORDSHIP LANE SURGERY

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

    ODS code G85681

    1.6 km

  • WELLS PARK PRACTICE

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

    ODS code G85114

    1.7 km

  • THE THREE ZERO SIX MEDICAL CENTRE

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

    ODS code G85091

    1.9 km

  • THE DULWICH MEDICAL CENTRE

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

    ODS code G85651

    1.9 km

  • SYDENHAM GREEN GROUP PRACTICE

    26 HOLMSHAW CLOSE, SYDENHAM, LONDON, SE26 4TH

    ODS code G85024

    1.9 km

  • THE GARDENS SURGERY

    THE GARDENS, LONDON, SE22 9QU

    ODS code G85644

    2.1 km

  • THE NUNHEAD SURGERY

    58 NUNHEAD GROVE, NUNHEAD, LONDON, SE15 3LY

    ODS code G85685

    2.2 km

  • NOVUM HEALTH PARTNERSHIP

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

    ODS code G85633

    2.4 km

  • TESSA JOWELL GP SURGERY

    72H EAST DULWICH GROVE, LONDON, SE22 8EY

    ODS code G85132

    2.6 km

  • STERNHALL LANE SURGERY

    12 STERNHALL LANE, PECKHAM, LONDON, SE15 4NT

    ODS code G85119

    2.7 km

  • VESTA ROAD SURGERY

    58 VESTA ROAD, LONDON, SE4 2NH

    ODS code G85105

    2.8 km

  • PAXTON GREEN GROUP PRACTICE

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

    ODS code G85039

    2.9 km

Showing 20 of 73 matching practices.

Nearby transport

  • Horniman Drive

    BCT · Forest Hill

    0.1 miles
  • Horniman Drive

    BCT · Forest Hill

    0.2 miles
  • Ewelme Road

    BCT · Forest Hill

    0.2 miles
  • Fairlawn School

    BCT · Forest Hill

    0.2 miles
  • Fairlawn School

    BCT · Forest Hill

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Lewisham 021E, 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

17,407 of 33,755

Income
5 of 10
Employment
6 of 10
Education and skills
10 of 10
Health and disability
6 of 10
Crime
5 of 10
Housing and services
3 of 10
Living environment
3 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.

Evidence in context

Schools

227 open schools are in scope, including 138 primary and 28 secondary schools. Allenby Tutorial Trust is the nearest published school at 356 m.

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

Recorded crime

4,588 published events cover 12 months, averaging 382.333 events per published month. The largest recorded category is Violence and sexual offences with 1,531 events.

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