Use this guide to understand HA1 3RN in Harrow. 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 87 residents and 29 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 | HA1 3RN |
| Postcode without spaces | HA13RN |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.5588000 |
| Longitude | -0.3387690 |
| British National Grid | 515,257 E, 185,743 N |
| Country | England |
| Region | London |
| Local authority | Harrow |
| Output Area (2021) | E00010721 |
| LSOA (2021) | E01002135 |
| MSOA (2021) | E02000461 |
| Electoral ward | E05013547 |
| Westminster constituency | E14001271 |
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 | 87 |
| Households | 29 |
| Female residents | 51 |
| Male residents | 36 |
| Residents per household | 3.0 |
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.
Open schools and active GP practices in the HA1 postcode district, ordered by straight-line distance where coordinates are available.
B
LANFRANC COURT, GREENFORD ROAD, HARROW, HA1 3QE
Other independent school
South Hill Avenue, Harrow, Middlesex, HA1 3NU
Ages 4–13 · 467 pupils of 500 capacity
Academy converter
Sudbury Hill, Harrow, Middlesex, HA1 3SB
Ages 2–11 · 404 pupils of 420 capacity
5.4% eligible for free school meals
B
SUDBURY HILL, HARROW, HA1 3RX
Further education
Mount Park Avenue, Harrow-on-the-Hill, Middlesex, HA1 3HX
Ages 16–18
Other independent school
5 High Street, Harrow-on-the-Hill, HA1 3HP
Ages 12–19 · 833 pupils of 837 capacity
Voluntary aided school
Roxborough Park, Harrow, HA1 3BE
Ages 4–11 · 408 pupils of 420 capacity
7.6% eligible for free school meals
B
COLBECK ROAD, HARROW, HA1 4BS
B
NORTHWICK PARK HOSPITAL, WATFORD ROAD, HARROW, HA1 3UJ
Other independent school
13 Kenton Road, Harrow, Middlesex, HA1 2BW
Ages 11–17 · 60 pupils of 60 capacity
Free schools alternative provision
73-77 Lowlands Road, Harrow, HA1 3AW
Ages 11–16 · 0 pupils of 100 capacity
0.0% eligible for free school meals
B
97 PINNER ROAD, HARROW, HA1 4ET
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 14 May 2026
71112 - Urban planning and landscape architectural activities
Private Limited Company
Incorporated 11 August 2025
90010 - Performing arts
Private Limited Company
Incorporated 19 February 2024
43290 - Other construction installation
Private Limited Company
Incorporated 15 January 2024
43290 - Other construction installation
Private Limited Company
Incorporated 25 July 2022
41202 - Construction of domestic buildings
Private Limited Company
Incorporated 30 May 2022
47110 - Retail sale in non-specialised stores with food, beverages or tobacco predominating
Private Limited Company
Incorporated 8 September 2018
45200 - Maintenance and repair of motor vehicles
Private Limited Company
Incorporated 7 July 2017
43390 - Other building completion and finishing
Private Limited Company
Incorporated 25 April 2012
47110 - Retail sale in non-specialised stores with food, beverages or tobacco predominating
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Harrow 029C includes HA1 3RN and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 6 |
| Anti-social behaviour | 4 |
| Public order | 2 |
| Vehicle crime | 2 |
| Other theft | 1 |
| Theft from the person | 1 |
Answers use the geographic scope stated with each dataset above.
HA1 3RN is in Harrow, England.
The Census 2021 postcode-level dataset records 87 residents at HA1 3RN. This is an exact postcode count.
The deprivation figures describe the containing Lower Layer Super Output Area, not only the individual postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full HA1 3RN postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.