Use this guide to understand N3 1SL in Barnet. 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 7 residents and 5 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 | N3 1SL |
| Postcode without spaces | N31SL |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.5970700 |
| Longitude | -0.2029780 |
| British National Grid | 524,565 E, 190,221 N |
| Country | England |
| Region | London |
| Local authority | Barnet |
| Output Area (2021) | E00001000 |
| LSOA (2021) | E01000200 |
| MSOA (2021) | E02000051 |
| Electoral ward | E05013639 |
| Westminster constituency | E14001238 |
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 | 7 |
| Households | 5 |
| Female residents | 3 |
| Male residents | 4 |
| Residents per household | 1.4 |
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 |
|---|---|---|---|---|
| 5 Aug 2020 | 72, HENDON LANE, LONDON | Detached | Freehold | £2,175,000 |
Open schools and active GP practices in the N3 postcode district, ordered by straight-line distance where coordinates are available.
Other independent school
6 Hendon Avenue, Finchley, London, N3 1UE
Ages 2–6 · 43 pupils of 193 capacity
Other independent school
Hendon Lane, Finchley, London, N3 1SA
Ages 11–16 · 275 pupils of 300 capacity
Voluntary aided school
Hendon Lane, Pardes House Primary School, London, Middlesex, N3 1SA
Ages 4–11 · 359 pupils of 360 capacity
2.5% eligible for free school meals
B
SUPREME HOUSE, 300 REGENTS PARK ROAD, FINCHLEY, LONDON, N3 2JX
Community school
Chalgrove Gardens, Finchley, London, N3 3PL
Ages 4–11 · 217 pupils of 224 capacity
25.3% eligible for free school meals
B
55 MOUNTFIELD ROAD, FINCHLEY, LONDON, N3 3NR
B
64 LICHFIELD GROVE, FINCHLEY, LONDON, N3 2JP
B
55 MOUNTFIELD ROAD, FINCHLEY, LONDON, N3 3NR
Voluntary aided school
Dollis Park, Finchley, London, N3 1BT
Ages 2–11 · 431 pupils of 420 capacity
9.9% eligible for free school meals
Voluntary aided school
80 East End Road, London, N3 2SY
Ages 4–11 · 418 pupils of 420 capacity
0.5% eligible for free school meals
Voluntary aided school
East End Road, Finchley, London, N3 2TD
Ages 3–11 · 180 pupils of 262 capacity
20.0% eligible for free school meals
B
2 ROSEMARY AVENUE, FINCHLEY, LONDON, N3 2QN
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Barnet 028B includes N3 1SL and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Anti-social behaviour | 2 |
| Burglary | 1 |
| Other theft | 1 |
| Public order | 1 |
| Theft from the person | 1 |
Answers use the geographic scope stated with each dataset above.
N3 1SL is in Barnet, England.
The Census 2021 postcode-level dataset records 7 residents at N3 1SL. 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 N3 1SL postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full N3 1SL postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.