Property market
The five-year median is £373,500 from 8 recorded sales in SE23 3SY. 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.
SE23 3SY
Forest Hill · Lewisham · England
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- London
- Ward
- Forest Hill
- Local authority
- Lewisham
- Constituency
- Lewisham West and East Dulwich
- Postcode district
- SE23
- Postcode sector
- SE23 3
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- SE23 3SY
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- SE
- Postcode district
- SE23
- Postcode sector
- SE23 3
- Latitude
- 51.443741
- Longitude
- -0.051143
- British National Grid easting
- 535,535
- British National Grid northing
- 173,440
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
- E00016450
- Lower layer super output area
- Lewisham 021E · E01003262
- Middle layer super output area
- Lewisham 021 · E02000673
Postcode source versions
- Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
- Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
- Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence
Explore SE23
Property
72 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Belle Vue Court, 122d, Flat 1b, Devonshire Road, London, SE23 3SY | 5 December 2025 | £200,000 |
| Belle Vue Court, 122d, Flat 18, Devonshire Road, London, SE23 3SY | 21 November 2025 | £375,000 |
| Belle Vue Court, 122d, Flat 17, Devonshire Road, London, SE23 3SY | 29 July 2025 | £560,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 223
- Primary
- 135
- Secondary
- 28
- 313 m
Allenby Tutorial Trust
Miscellaneous
- 445 m
Fairlawn Primary School
Community school
- 535 m
Dalmain Primary School
Community school
Recorded crime
Within 1 mile of this postcode
- Published events
- 4,572
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 1,515
- Anti social behaviour 676
- Vehicle crime 550
- Other theft 295
- Criminal damage and arson 274
Census 2021
Population and age profile
- Postcode residents
- 43
- Postcode households
- 26
- Residents per household
- 1.7
- SE23 3 residents
- 11,811
23 female, 20 male
Age bands in SE23 3
Wider postcode sector- Age 0 to 14
- 18.5%
- Age 15 to 24
- 8.7%
- Age 25 to 44
- 38.2%
- Age 45 to 64
- 25.1%
- Age 65 and over
- 9.4%
2,283 residents
1,076 residents
4,708 residents
3,091 residents
1,157 residents
This postcode contained 0.4% 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+
- 90.3%
- Ultrafast, 100 Mbit/s+
- 90.3%
- Ultrafast, 300 Mbit/s+
- 90.3%
- Gigabit-capable
- 90.3%
- Unable to receive decent fixed or FWA broadband
- 0%
- Next Generation Access
- 90.3%
- 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
76
within 5 km
ONE CARE LAMBETH
JENNER DENTAL SUITE, 14 ST. GERMAN'S ROAD, LONDON, SE23 1RJ
ODS code Y07020
722 m
ONE CARE LEWISHAM
THE JENNER DENTAL SUITE, 14 ST GERMANS ROAD, LONDON, SE23 1RJ
ODS code Y08411
722 m
SEL SPECIAL ALLOCATION PRACTICE
THE JENNER DENTAL SUITE, 14 ST. GERMANS ROAD, LONDON, SE23 1RJ
ODS code Y06545
722 m
SPECIAL ALLOCATION SCHEME (NEL)
JENNER DENTAL CLINIC, 14 ST GERMANS ROAD, LONDON, SE23 1RJ
ODS code Y06592
722 m
MODALITY LEWISHAM (ML)
JENNER HEALTH CENTRE 201-203, STANSTEAD ROAD, FOREST HILL, LONDON, SE23 1HU
ODS code G85004
731 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
1.3 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
SYDENHAM GREEN GROUP PRACTICE
26 HOLMSHAW CLOSE, SYDENHAM, LONDON, SE26 4TH
ODS code G85024
1.8 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
2.0 km
THE GARDENS SURGERY
THE GARDENS, LONDON, SE22 9QU
ODS code G85644
2.2 km
THE NUNHEAD SURGERY
58 NUNHEAD GROVE, NUNHEAD, LONDON, SE15 3LY
ODS code G85685
2.3 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
2.7 km
STERNHALL LANE SURGERY
12 STERNHALL LANE, PECKHAM, LONDON, SE15 4NT
ODS code G85119
2.8 km
PAXTON GREEN GROUP PRACTICE
PAXTON GREEN HEALTH CENTRE, 1 ALLEYN PARK, LONDON, SE21 8AU
ODS code G85039
2.9 km
VESTA ROAD SURGERY
58 VESTA ROAD, LONDON, SE4 2NH
ODS code G85105
2.9 km
Showing 20 of 76 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
- 0.2 miles
Horniman Drive
BCT · Forest Hill
- 0.2 miles
Horniman Drive
BCT · Forest Hill
- 0.2 miles
Ewelme Road
BCT · Forest Hill
- 0.2 miles
Waldram Park Road
BCT · Forest Hill
- 0.2 miles
Waldram Park Road
BCT · Forest Hill
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.
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
223 open schools are in scope, including 135 primary and 28 secondary schools. Allenby Tutorial Trust is the nearest published school at 313 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
4,572 published events cover 12 months, averaging 381 events per published month. The largest recorded category is Violence and sexual offences with 1,515 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.