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Explore SE23 3DG: Map, Data and Local Insights

Explore SE23 3DG in Lewisham through its map and available local datasets. The outline is an approximate boundary derived from address locations, while the information below distinguishes full-postcode records from statistics covering surrounding official areas. Census 2021 records 83 residents and 32 households at the exact postcode.

Active postcode Small user postcode Lewisham

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Residents83Exact postcode · Census 2021
Households32Exact postcode · Census 2021
Average sold price£853,0003 exact-postcode transactions
IMD decile6 of 10Containing LSOA · 2025

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Custom maps of SE23 3DG

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SE23 3DG Postcode Facts

Core details from the ONS Postcode Directory. Geography codes identify the official areas containing this postcode.

Exact postcode record

Postcode details

PostcodeSE23 3DG
Postcode without spacesSE233DG
StatusActive postcode
User typeSmall user postcode
IntroducedJanuary 1980
Directory version2026-06
Latitude51.4457100
Longitude-0.0602260
British National Grid534,898 E, 173,642 N

Containing official geographies

CountryEngland
RegionLondon
Local authorityLewisham
Output Area (2021)E00016448
LSOA (2021)E01003254
MSOA (2021)E02000673
Electoral wardE05013722
Westminster constituencyE14001333
The red outline is an approximate convex hull generated from geocoded property locations and offset outwards by about 25 metres; it is not an official postcode boundary.

Ward and Constituency

The postcode is assigned to these official political geographies. Names and election results will be added when the ElectionMaps datasets are connected.

Containing areas

Electoral Ward

E05013722View Ward Map

Westminster Constituency

E14001333View Constituency Map

SE23 3DG Population and Households

These Census figures are matched directly to the full postcode, rather than inferred from a wider neighbourhood.

Exact postcode · Census 2021
Residents83
Households32
Female residents42
Male residents41
Residents per household2.6
Counts are from the postcode-level Census population and household datasets. They apply to the exact postcode. Detailed local demographic profiles will be labelled separately when Output Area data is added.

SE23 3DG Vector Map

A detailed vector map covering a 500 metre radius around the postcode.

500 metre radius
Creating the SE23 3DG mapThe vector map preview will appear here automatically.

Local Deprivation

Deprivation is published for the postcode's containing Lower Layer Super Output Area, a neighbourhood geography covering more than one postcode.

Containing LSOA · 2025
LSOA nameLewisham 021AE01003254
IMD rank20,123Lower ranks indicate greater deprivation
IMD decile6 of 101 = most deprived, 10 = least deprived
These figures must not be read as applying only to SE23 3DG. They describe Lewisham 021A, the wider LSOA containing the postcode.

Sold Property Prices in SE23 3DG

Land Registry Price Paid Data transactions matched to this exact full postcode.

Exact postcode · 3 sales
Average price£853,000Across all matched transactions
Lowest price£775,000Since 2022
Highest price£934,000Exact-postcode record
Latest sale20 Oct 2023Most recent supplied transaction
Sale dateAddressProperty typeTenurePrice
20 Oct 202363, TEWKESBURY AVENUE, LONDONSemi-detachedFreehold£775,000
19 Jan 202339, TEWKESBURY AVENUE, LONDONSemi-detachedFreehold£934,000
16 Dec 202257, TEWKESBURY AVENUE, LONDONSemi-detachedFreehold£850,000
Sold prices are completed transactions in the supplied Land Registry dataset. They are not current valuations or asking prices.

Schools and GP Practices Near SE23 3DG

Open schools and active GP practices in the SE23 postcode district, ordered by straight-line distance where coordinates are available.

SE23 postcode district
School · 0.2 km

Horniman Primary School

Community school

Horniman Drive, London, SE23 3BP

Ages 5–11 · 201 pupils of 210 capacity

10.9% eligible for free school meals

02086993190

School · 0.4 km

Fairlawn Primary School

Community school

Honor Oak Road, London, SE23 3SB

Ages 3–11 · 362 pupils of 480 capacity

15.9% eligible for free school meals

02086997948

School · 1.0 km

Allenby Tutorial Trust

Miscellaneous

62-72 Dalmain Road, London, SE23 1AT

Ages 11–17

02086990717

School · 1.1 km

St George's CofE Primary School

Academy converter

Perry Vale, Forest Hill, London, SE23 2NE

Ages 3–11 · 206 pupils of 300 capacity

41.0% eligible for free school meals

02086995127

School · 1.2 km

Dalmain Primary School

Community school

Grove Close, Brockley Rise, London, SE23 1AS

Ages 3–11 · 381 pupils of 470 capacity

15.5% eligible for free school meals

02086992675

Visit website

School · 1.2 km

Holy Trinity Church of England Primary School

Voluntary aided school

Dartmouth Road, Forest Hill, London, SE23 3HZ

Ages 3–11 · 185 pupils of 210 capacity

49.2% eligible for free school meals

02086999023

School · 1.3 km

Perrymount Primary School

Community school

Sunderland Road, Forest Hill, London, SE23 2PX

Ages 3–11 · 202 pupils of 210 capacity

34.4% eligible for free school meals

02086994522

GP practice · 1.4 km

MODALITY LEWISHAM (ML)

B

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

02034 746111

GP practice · 1.4 km

ONE CARE LAMBETH

B

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

02038 220825

GP practice · 1.4 km

ONE CARE LEWISHAM

B

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

02039 294980

GP practice · 1.4 km

SEL SPECIAL ALLOCATION PRACTICE

B

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

020 36402113

GP practice · 1.4 km

SPECIAL ALLOCATION SCHEME (NEL)

B

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

0330 1281661

The search is currently limited to records whose own postcode begins with SE23. Distances are approximate straight-line distances, not travel distances.

Companies Registered at SE23 3DG

Companies House records whose registered-office address uses this exact postcode.

Exact registered postcode
Registered companies4All supplied statuses
Active companies4Companies House status
Active · 09132273

NENDICK TECHNOLOGY CONSULTING LIMITED

Private Limited Company

Incorporated 15 July 2014

62020 - Information technology consultancy activities

Companies House record

Active · 07196747

THE MANOR (FOREST HILL) RTM COMPANY LIMITED

PRI/LTD BY GUAR/NSC (Private, limited by guarantee, no share capital)

Incorporated 19 March 2010

98000 - Residents property management

Companies House record

Active · 06837158

FORESTHOWSE (FREEHOLD) COMPANY LIMITED

Private Limited Company

Incorporated 4 March 2009

68209 - Other letting and operating of own or leased real estate

Companies House record

Active · 06268425

SWM ASSOCIATES LTD

Private Limited Company

Incorporated 4 June 2007

88990 - Other social work activities without accommodation n.e.c.

Companies House record

A registered office can be an accountant, agent or correspondence address. A company listed here does not necessarily trade from this postcode.

Crime in the Local LSOA

Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.

Containing LSOA · E01003254

12 recorded incidents

Lewisham 021A includes SE23 3DG and other nearby postcodes.

Crime typeIncidents
Violence and sexual offences5
Anti-social behaviour4
Burglary3
Crime figures apply to the whole Lewisham 021A LSOA, not only to SE23 3DG. Locations may be anonymised by the source.

SE23 3DG Questions

Answers use the geographic scope stated with each dataset above.

Where is the SE23 3DG postcode?

SE23 3DG is in Lewisham, England.

How many people live in SE23 3DG?

The Census 2021 postcode-level dataset records 83 residents at SE23 3DG. This is an exact postcode count.

What do the deprivation figures for SE23 3DG describe?

The deprivation figures describe the containing Lower Layer Super Output Area, not only the individual postcode.

Are the property prices for the exact postcode?

Yes. The sold-price records shown on this page are Land Registry transactions matched to the full SE23 3DG postcode.

Can I buy a vector map of SE23 3DG?

Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full SE23 3DG postcode and its approximate address-derived outline, request a custom map.

Other Postcodes in SE23 3

Explore other full postcodes in the same postcode sector.

Postcode sector