Use this guide to understand SE21 8AH in Southwark. 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 72 residents and 25 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 | SE21 8AH |
| Postcode without spaces | SE218AH |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.4305400 |
| Longitude | -0.0882600 |
| British National Grid | 532,994 E, 171,904 N |
| Country | England |
| Region | London |
| Local authority | Southwark |
| Output Area (2021) | E00019879 |
| LSOA (2021) | E01003946 |
| MSOA (2021) | E02000839 |
| Electoral ward | E05011101 |
| Westminster constituency | E14001205 |
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 | 72 |
| Households | 25 |
| Female residents | 41 |
| Male residents | 31 |
| Residents per household | 2.9 |
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.
Land Registry Price Paid Data transactions matched to this exact full postcode.
| Sale date | Address | Property type | Tenure | Price |
|---|---|---|---|---|
| 24 Jul 2024 | 72, ALLEYN ROAD, LONDON | Semi-detached | Freehold | £3,750,000 |
| 21 Aug 2023 | 90, ALLEYN ROAD, LONDON | Detached | Freehold | £2,175,000 |
| 4 Jul 2022 | 86, ALLEYN ROAD, LONDON | Detached | Freehold | £2,950,106 |
| 31 May 2022 | 82, ALLEYN ROAD, LONDON | Semi-detached | Freehold | £2,950,000 |
| 11 Feb 2022 | 92, ALLEYN ROAD, LONDON | Detached | Freehold | £2,700,000 |
| 14 Dec 2021 | 76, ALLEYN ROAD, LONDON | Semi-detached | Freehold | £2,920,000 |
| 30 Sep 2021 | 104, ALLEYN ROAD, LONDON | Detached | Freehold | £2,825,000 |
Open schools and active GP practices in the SE21 postcode district, ordered by straight-line distance where coordinates are available.
B
PAXTON GREEN HEALTH CENTRE, 1 ALLEYN PARK, LONDON, SE21 8AU
Academy converter
Alleyn Park, Dulwich, London, SE21 8SQ
Ages 11–19 · 2,550 pupils of 2,455 capacity
20.8% eligible for free school meals
Community school
Bowen Drive, Kingswood Estate, West Dulwich, London, SE21 8NS
Ages 4–11 · 417 pupils of 420 capacity
26.4% eligible for free school meals
Other independent school
38-42 ALLEYN PARK, LONDON, SE21 7AA
Ages 2–16 · 808 pupils of 999 capacity
Local authority nursery school
Lyall Avenue, Dulwich, London, SE21 8QS
Ages 2–5 · 81 pupils
18.8% eligible for free school meals
B
19B CROXTED ROAD, WEST DULWICH, LONDON, SE21 8SZ
Other independent school
Dulwich Common, Dulwich, London, SE21 7LD
Ages 0–19 · 1,923 pupils of 1,950 capacity
Other independent school
125-128 Thurlow Park Road, London, SE21 8HP
Ages 2–11 · 215 pupils of 500 capacity
Other independent school
70 Thurlow Park Road, West Dulwich, London, SE21 8HZ
Ages 2–11 · 263 pupils of 400 capacity
Academy converter
Rosendale Road, West Dulwich, London, SE21 8LR
Ages 3–11 · 679 pupils of 630 capacity
19.0% eligible for free school meals
Foundation special school
Turney Road, London, SE21 8LX
Ages 4–18 · 161 pupils of 165 capacity
65.9% eligible for free school meals
Academy converter
Dulwich Village, London, SE21 7AL
Ages 7–11 · 374 pupils of 360 capacity
12.8% eligible for free school meals
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 10 December 2025
85590 - Other education n.e.c.
Private Limited Company
Incorporated 24 September 2024
73110 - Advertising agencies
Private Limited Company
Incorporated 22 February 2022
68209 - Other letting and operating of own or leased real estate
Private Limited Company
Incorporated 7 December 2020
86220 - Specialists medical practice activities
Private Limited Company
Incorporated 22 August 2014
74300 - Translation and interpretation activities
Private Limited Company
Incorporated 16 April 2014
74990 - Non-trading company
PRI/LTD BY GUAR/NSC (Private, limited by guarantee, no share capital)
Incorporated 30 January 2013
88990 - Other social work activities without accommodation n.e.c.
Private Limited Company
Incorporated 23 October 2012
70210 - Public relations and communications activities
Private Limited Company
Incorporated 21 April 2011
72190 - Other research and experimental development on natural sciences and engineering
Private Limited Company
Incorporated 19 March 1976
41201 - Construction of commercial buildings
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Southwark 033B includes SE21 8AH and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Anti-social behaviour | 3 |
| Vehicle crime | 3 |
| Violence and sexual offences | 1 |
Answers use the geographic scope stated with each dataset above.
SE21 8AH is in Southwark, England.
The Census 2021 postcode-level dataset records 72 residents at SE21 8AH. This is an exact postcode count.
The deprivation figures describe the containing Lower Layer Super Output Area, not only the individual postcode.
Yes. The sold-price records shown on this page are Land Registry transactions matched to the full SE21 8AH postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full SE21 8AH postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.