Use this guide to understand SE3 9SY 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.
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Create a Custom MapCore details from the ONS Postcode Directory. Geography codes identify the official areas containing this postcode.
| Postcode | SE3 9SY |
| Postcode without spaces | SE39SY |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.4650400 |
| Longitude | 0.0088360 |
| British National Grid | 539,638 E, 175,921 N |
| Country | England |
| Region | London |
| Local authority | Lewisham |
| Output Area (2021) | E00016183 |
| LSOA (2021) | E01003202 |
| MSOA (2021) | E02000661 |
| Electoral ward | E05013715 |
| Westminster constituency | E14001332 |
The postcode is assigned to these official political geographies. Names and election results will be added when the ElectionMaps datasets are connected.
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 SE3 postcode district, ordered by straight-line distance where coordinates are available.
Other independent special school
1 Cresswell Park, Blackheath, London, SE3 9RD
Ages 11–16 of 48 capacity
B
40-42 LEE TERRACE, LONDON, SE3 9UD
Other independent school
37 Wemyss Road, Blackheath, London, SE3 0TG
Ages 3–11 · 105 pupils of 200 capacity
B
DOCTORS SURGERY, 20 LEE ROAD, LONDON, SE3 9RT
B
20 LEE ROAD, BLACKHEATH, LONDON, SE3 9RT
Community school
Southvale Road, Blackheath, London, SE3 0TP
Ages 2–11 · 672 pupils of 684 capacity
11.3% eligible for free school meals
Voluntary aided school
2 Blackheath Vale, Blackheath, London, SE3 0TX
Ages 4–11 · 189 pupils of 218 capacity
11.6% eligible for free school meals
Academy sponsor led
St Joseph's Vale, Blackheath, London, SE3 0XX
Ages 4–16 · 1,063 pupils of 1,650 capacity
34.0% eligible for free school meals
Academy converter
Medebourne Close, Casterbridge Road, London, SE3 9AB
Ages 2–11 · 233 pupils of 256 capacity
18.4% eligible for free school meals
Other independent school
4 St German's Place, Blackheath, London, SE3 0NJ
Ages 3–11 · 390 pupils of 420 capacity
Academy converter
Ensign Street, London, SE3 9GJ
Ages 3–11 · 667 pupils of 682 capacity
18.5% eligible for free school meals
B
117 BROOK LANE, BLACKHEATH, LONDON, SE3 0EN
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 3 September 2002
01610 - Support activities for crop production
Private Limited Company
Incorporated 4 May 1999
80200 - Security systems service activities
Private Limited Company
Incorporated 27 October 1997
96020 - Hairdressing and other beauty treatment
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Lewisham 009C includes SE3 9SY and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Vehicle crime | 2 |
| Anti-social behaviour | 1 |
| Bicycle theft | 1 |
| Violence and sexual offences | 1 |
Answers use the geographic scope stated with each dataset above.
SE3 9SY is in Lewisham, England.
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 SE3 9SY postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.