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SE23 1NA Postcode Boundary Map and Area Guide

Use this guide to understand SE23 1NA 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 44 residents and 21 households at the exact postcode.

Active postcode Small user postcode Lewisham

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Residents44Exact postcode · Census 2021
Households21Exact postcode · Census 2021
Average sold price£683,2505 exact-postcode transactions
IMD decile7 of 10Containing LSOA · 2025

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Custom maps of SE23 1NA

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SE23 1NA Postcode Facts

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

Exact postcode record

Postcode details

PostcodeSE23 1NA
Postcode without spacesSE231NA
StatusActive postcode
User typeSmall user postcode
IntroducedJanuary 1980
Directory version2026-06
Latitude51.4484300
Longitude-0.0396020
British National Grid536,323 E, 173,983 N

Containing official geographies

CountryEngland
RegionLondon
Local authorityLewisham
Output Area (2021)E00016300
LSOA (2021)E01003226
MSOA (2021)E02000671
Electoral wardE05013718
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

E05013718View Ward Map

Westminster Constituency

E14001333View Constituency Map

SE23 1NA Population and Households

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

Exact postcode · Census 2021
Residents44
Households21
Female residents20
Male residents24
Residents per household2.1
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 1NA Vector Map

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

500 metre radius
Creating the SE23 1NA 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 019AE01003226
IMD rank20,911Lower ranks indicate greater deprivation
IMD decile7 of 101 = most deprived, 10 = least deprived
These figures must not be read as applying only to SE23 1NA. They describe Lewisham 019A, the wider LSOA containing the postcode.

Sold Property Prices in SE23 1NA

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

Exact postcode · 5 sales
Average price£683,250Across all matched transactions
Lowest price£550,000Since 2021
Highest price£890,000Exact-postcode record
Latest sale8 Jul 2025Most recent supplied transaction
Sale dateAddressProperty typeTenurePrice
8 Jul 20252, GLADIATOR STREET, LONDONTerracedFreehold£890,000
2 Dec 20223A, GLADIATOR STREET, LONDONFlat or maisonetteLeasehold£585,000
12 Sep 20224, GLADIATOR STREET, LONDONTerracedFreehold£620,000
17 Aug 20218, GLADIATOR STREET, LONDONTerracedFreehold£771,250
6 Jan 20213A, GLADIATOR STREET, LONDONFlat or maisonetteLeasehold£550,000
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 1NA

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

SE23 postcode district
School · 0.1 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 · 0.1 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

School · 0.5 km

St William of York Catholic Primary School

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

02086902842

GP practice · 0.6 km

ONE CARE LAMBETH

B

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

02038 220825

GP practice · 0.6 km

ONE CARE LEWISHAM

B

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

02039 294980

GP practice · 0.6 km

SEL SPECIAL ALLOCATION PRACTICE

B

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

020 36402113

GP practice · 0.6 km

SPECIAL ALLOCATION SCHEME (NEL)

B

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

0330 1281661

School · 0.6 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

GP practice · 0.7 km

MODALITY LEWISHAM (ML)

B

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

02034 746111

School · 0.7 km

Allenby Tutorial Trust

Miscellaneous

62-72 Dalmain Road, London, SE23 1AT

Ages 11–17

02086990717

School · 1.0 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

GP practice · 1.1 km

WOOLSTONE MEDICAL CENTRE

B

WOOLSTONE ROAD, LONDON, SE23 2SG

020 86991062

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 1NA

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

Exact registered postcode
Registered companies3All supplied statuses
Active companies3Companies House status
Active · 12538030

137A CL LIMITED

Private Limited Company

Incorporated 30 March 2020

98000 - Residents property management

Companies House record

Active · 11030650

FOR THE PURPOSE LTD

Private Limited Company

Incorporated 25 October 2017

99999 - Dormant Company

Companies House record

Active · 10898426

LES VINS DE SYLVAIN LTD

Private Limited Company

Incorporated 3 August 2017

46342 - Wholesale of wine, beer, spirits and other alcoholic beverages

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 · E01003226

23 recorded incidents

Lewisham 019A includes SE23 1NA and other nearby postcodes.

Crime typeIncidents
Shoplifting12
Anti-social behaviour5
Public order2
Vehicle crime2
Robbery1
Theft from the person1
Crime figures apply to the whole Lewisham 019A LSOA, not only to SE23 1NA. Locations may be anonymised by the source.

SE23 1NA Questions

Answers use the geographic scope stated with each dataset above.

Where is the SE23 1NA postcode?

SE23 1NA is in Lewisham, England.

How many people live in SE23 1NA?

The Census 2021 postcode-level dataset records 44 residents at SE23 1NA. This is an exact postcode count.

What do the deprivation figures for SE23 1NA 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 1NA postcode.

Can I buy a vector map of SE23 1NA?

Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full SE23 1NA postcode and its approximate address-derived outline, request a custom map.

Other Postcodes in SE23 1

Explore other full postcodes in the same postcode sector.

Postcode sector