Use this guide to understand HA1 3RG 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 130 residents and 37 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 3RG |
| Postcode without spaces | HA13RG |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.5577600 |
| Longitude | -0.3388360 |
| British National Grid | 515,255 E, 185,627 N |
| Country | England |
| Region | London |
| Local authority | Harrow |
| Output Area (2021) | E00010722 |
| 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 | 130 |
| Households | 37 |
| Female residents | 60 |
| Male residents | 70 |
| Residents per household | 3.5 |
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 |
|---|---|---|---|---|
| 28 Mar 2025 | FLAT 7, LYDIA LODGE, 24, CAVENDISH AVENUE, HARROW | Flat or maisonette | Leasehold | £312,500 |
| 28 Feb 2025 | FLAT 8, LYDIA LODGE, 24, CAVENDISH AVENUE, HARROW | Flat or maisonette | Leasehold | £312,500 |
| 15 Jan 2025 | 60, CAVENDISH AVENUE, HARROW | Semi-detached | Freehold | £595,000 |
| 12 Apr 2024 | 72, CAVENDISH AVENUE, HARROW | Semi-detached | Freehold | £288,000 |
| 27 Jan 2023 | FLAT 1, LYDIA LODGE, CAVENDISH AVENUE, HARROW | Flat or maisonette | Leasehold | £260,000 |
| 30 Sep 2022 | FLAT 12, LYDIA LODGE, 24, CAVENDISH AVENUE, HARROW | Flat or maisonette | Leasehold | £300,000 |
| 22 Jan 2021 | 48, CAVENDISH AVENUE, HARROW | Semi-detached | Freehold | £495,000 |
| 17 Jan 2020 | 36, CAVENDISH AVENUE, HARROW | Detached | Freehold | £625,000 |
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
Other independent school
80 Gayton Road, Harrow, HA1 2LS
Ages 5–11 · 60 pupils of 72 capacity
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 11 November 2024
43999 - Other specialised construction activities n.e.c.
Private Limited Company
Incorporated 3 September 2024
47910 - Retail sale via mail order houses or via Internet
Private Limited Company
Incorporated 5 July 2023
41201 - Construction of commercial buildings
Private Limited Company
Incorporated 4 February 2022
47770 - Retail sale of watches and jewellery in specialised stores
Private Limited Company
Incorporated 8 July 2021
46420 - Wholesale of clothing and footwear
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Harrow 029C includes HA1 3RG 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 3RG is in Harrow, England.
The Census 2021 postcode-level dataset records 130 residents at HA1 3RG. 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 HA1 3RG postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full HA1 3RG postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.