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SE23 3AY Postcode Boundary Map and Area Guide

Use this guide to understand SE23 3AY 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 15 residents and 8 households at the exact postcode.

Active postcode Small user postcode Lewisham

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Residents15Exact postcode · Census 2021
Households8Exact postcode · Census 2021
Average sold price£330,0005 exact-postcode transactions
IMD decile6 of 10Containing LSOA · 2025

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SE23 3AY Postcode Facts

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

Exact postcode record

Postcode details

PostcodeSE23 3AY
Postcode without spacesSE233AY
StatusActive postcode
User typeSmall user postcode
IntroducedJanuary 1980
Directory version2026-06
Latitude51.4486700
Longitude-0.0580570
British National Grid535,040 E, 173,975 N

Containing official geographies

CountryEngland
RegionLondon
Local authorityLewisham
Output Area (2021)E00016485
LSOA (2021)E01003260
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 3AY Population and Households

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

Exact postcode · Census 2021
Residents15
Households8
Female residents6
Male residents9
Residents per household1.9
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 3AY Vector Map

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

500 metre radius
Creating the SE23 3AY 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 021CE01003260
IMD rank20,083Lower ranks indicate greater deprivation
IMD decile6 of 101 = most deprived, 10 = least deprived
These figures must not be read as applying only to SE23 3AY. They describe Lewisham 021C, the wider LSOA containing the postcode.

Sold Property Prices in SE23 3AY

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

Exact postcode · 5 sales
Average price£330,000Across all matched transactions
Lowest price£220,000Since 2021
Highest price£430,000Exact-postcode record
Latest sale3 Jun 2025Most recent supplied transaction
Sale dateAddressProperty typeTenurePrice
3 Jun 2025FLAT 6, BURWOOD COURT, 38, CANONBIE ROAD, LONDONFlat or maisonetteLeasehold£430,000
25 Sep 2023FLAT 3, BURWOOD COURT, CANONBIE ROAD, LONDONFlat or maisonetteLeasehold£400,000
25 Nov 2022FLAT 5, BURWOOD COURT, 38, CANONBIE ROAD, LONDONFlat or maisonetteLeasehold£375,000
16 Sep 2022FLAT 2, BURWOOD COURT, 38, CANONBIE ROAD, LONDONFlat or maisonetteLeasehold£225,000
27 Sep 2021FLAT 8, BURWOOD COURT, 38, CANONBIE ROAD, LONDONFlat or maisonetteLeasehold£220,000
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 3AY

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

SE23 postcode district
School · 0.3 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 · 0.5 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 · 1.0 km

Allenby Tutorial Trust

Miscellaneous

62-72 Dalmain Road, London, SE23 1AT

Ages 11–17

02086990717

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 · 1.3 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 · 1.3 km

Stillness Infant School

Community school

Brockley Rise, Brockley Rise, London, SE23 1NH

Ages 3–7 · 284 pupils of 300 capacity

4.2% eligible for free school meals

02086901208

School · 1.3 km

Stillness Junior School

Community school

Brockley Rise, Forest Hill, London, SE23 1NH

Ages 7–11 · 276 pupils of 360 capacity

7.6% eligible for free school meals

02086901416

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 3AY

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

Exact registered postcode
Registered companies1All supplied statuses
Active companies1Companies House status
Active · 01193929

BURWOOD PARK RESIDENTS ASSOCIATION LIMITED

Private Limited Company

Incorporated 16 December 1974

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

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 · E01003260

7 recorded incidents

Lewisham 021C includes SE23 3AY and other nearby postcodes.

Crime typeIncidents
Vehicle crime3
Anti-social behaviour2
Drugs2
Crime figures apply to the whole Lewisham 021C LSOA, not only to SE23 3AY. Locations may be anonymised by the source.

SE23 3AY Questions

Answers use the geographic scope stated with each dataset above.

Where is the SE23 3AY postcode?

SE23 3AY is in Lewisham, England.

How many people live in SE23 3AY?

The Census 2021 postcode-level dataset records 15 residents at SE23 3AY. This is an exact postcode count.

What do the deprivation figures for SE23 3AY 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 3AY postcode.

Can I buy a vector map of SE23 3AY?

Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full SE23 3AY 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