Use this guide to understand SE23 1NJ in Lewisham. Start with the interactive location and approximate postcode outline, then browse the available facts and local-area indicators. Labels show which figures relate to the exact postcode and which cover a larger geography. Census 2021 records 11 residents and 6 households at the exact postcode.
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Create a Custom MapCore details from the ONS Postcode Directory. Geography codes identify the official areas containing this postcode.
| Postcode | SE23 1NJ |
| Postcode without spaces | SE231NJ |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.4483600 |
| Longitude | -0.0410740 |
| British National Grid | 536,221 E, 173,972 N |
| Country | England |
| Region | London |
| Local authority | Lewisham |
| Output Area (2021) | E00016300 |
| LSOA (2021) | E01003226 |
| MSOA (2021) | E02000671 |
| Electoral ward | E05013718 |
| Westminster constituency | E14001333 |
The postcode is assigned to these official political geographies. Names and election results will be added when the ElectionMaps datasets are connected.
These Census figures are matched directly to the full postcode, rather than inferred from a wider neighbourhood.
| Residents | 11 |
| Households | 6 |
| Female residents | 5 |
| Male residents | 6 |
| Residents per household | 1.8 |
A detailed vector map covering a 500 metre radius around the postcode.
Deprivation is published for the postcode's containing Lower Layer Super Output Area, a neighbourhood geography covering more than one postcode.
Open schools and active GP practices in the SE23 postcode district, ordered by straight-line distance where coordinates are available.
Community school
Brockley Rise, Brockley Rise, London, SE23 1NH
Ages 3–7 · 284 pupils of 300 capacity
4.2% eligible for free school meals
Community school
Brockley Rise, Forest Hill, London, SE23 1NH
Ages 7–11 · 276 pupils of 360 capacity
7.6% eligible for free school meals
Voluntary aided school
Brockley Park, Forest Hill, St. William of York School, London, SE23 1PS
Ages 3–11 · 207 pupils of 210 capacity
23.6% eligible for free school meals
B
JENNER DENTAL SUITE, 14 ST. GERMAN'S ROAD, LONDON, SE23 1RJ
B
THE JENNER DENTAL SUITE, 14 ST GERMANS ROAD, LONDON, SE23 1RJ
B
THE JENNER DENTAL SUITE, 14 ST. GERMANS ROAD, LONDON, SE23 1RJ
B
JENNER DENTAL CLINIC, 14 ST GERMANS ROAD, LONDON, SE23 1RJ
Community school
Grove Close, Brockley Rise, London, SE23 1AS
Ages 3–11 · 381 pupils of 470 capacity
15.5% eligible for free school meals
B
JENNER HEALTH CENTRE 201-203, STANSTEAD ROAD, FOREST HILL, LONDON, SE23 1HU
Miscellaneous
62-72 Dalmain Road, London, SE23 1AT
Ages 11–17
Community school
Honor Oak Road, London, SE23 3SB
Ages 3–11 · 362 pupils of 480 capacity
15.9% eligible for free school meals
B
WOOLSTONE ROAD, LONDON, SE23 2SG
Companies House records whose registered-office address uses this exact postcode.
PRI/LBG/NSC (Private, Limited by guarantee, no share capital, use of 'Limited' exemption)
Incorporated 26 June 2025
94910 - Activities of religious organizations
Private Limited Company
Incorporated 14 February 2024
09900 - Support activities for other mining and quarrying
Private Limited Company
Incorporated 7 June 2022
10110 - Processing and preserving of meat
Private Limited Company
Incorporated 1 March 2022
85510 - Sports and recreation education
Private Limited Company
Incorporated 7 April 2017
45200 - Maintenance and repair of motor vehicles
Private Limited Company
Incorporated 2 March 2024
86101 - Hospital activities
Private Limited Company
Incorporated 30 April 2008
70210 - Public relations and communications activities
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Lewisham 019A includes SE23 1NJ and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Shoplifting | 12 |
| Anti-social behaviour | 5 |
| Public order | 2 |
| Vehicle crime | 2 |
| Robbery | 1 |
| Theft from the person | 1 |
Answers use the geographic scope stated with each dataset above.
SE23 1NJ is in Lewisham, England.
The Census 2021 postcode-level dataset records 11 residents at SE23 1NJ. This is an exact postcode count.
The deprivation figures describe the containing Lower Layer Super Output Area, not only the individual postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full SE23 1NJ postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.