This page brings together the map and available local information for HA1 3RQ in Harrow. The boundary shown is an approximation created from address points, and each data section explains whether its figures apply to the full postcode or a wider statistical area. Census 2021 records 93 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 3RQ |
| Postcode without spaces | HA13RQ |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.5580100 |
| Longitude | -0.3426500 |
| British National Grid | 514,990 E, 185,648 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 | 93 |
| Households | 29 |
| Female residents | 49 |
| Male residents | 44 |
| Residents per household | 3.2 |
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 |
|---|---|---|---|---|
| 10 Mar 2026 | 140, CAVENDISH AVENUE, HARROW | Detached | Freehold | £920,000 |
| 23 Jan 2026 | 122, CAVENDISH AVENUE, HARROW | Semi-detached | Freehold | £685,000 |
| 25 Jul 2025 | 116, CAVENDISH AVENUE, HARROW | Semi-detached | Freehold | £870,000 |
| 3 Feb 2025 | 108, CAVENDISH AVENUE, HARROW | Semi-detached | Freehold | £672,000 |
| 4 Dec 2020 | 102, CAVENDISH AVENUE, HARROW | Semi-detached | Freehold | £570,000 |
| 7 Aug 2020 | 118, CAVENDISH AVENUE, HARROW | Semi-detached | Freehold | £600,000 |
Open schools and active GP practices in the HA1 postcode district, ordered by straight-line distance where coordinates are available.
Other independent school
South Hill Avenue, Harrow, Middlesex, HA1 3NU
Ages 4–13 · 467 pupils of 500 capacity
B
LANFRANC COURT, GREENFORD ROAD, HARROW, HA1 3QE
Further education
Mount Park Avenue, Harrow-on-the-Hill, Middlesex, HA1 3HX
Ages 16–18
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
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
Other independent school
13 Kenton Road, Harrow, Middlesex, HA1 2BW
Ages 11–17 · 60 pupils of 60 capacity
B
NORTHWICK PARK HOSPITAL, WATFORD ROAD, HARROW, HA1 3UJ
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 2 September 2025
46520 - Wholesale of electronic and telecommunications equipment and parts
PRI/LTD BY GUAR/NSC (Private, limited by guarantee, no share capital)
Incorporated 5 December 2024
85510 - Sports and recreation education
Private Limited Company
Incorporated 5 May 2022
70100 - Activities of head offices
Private Limited Company
Incorporated 16 November 2021
59112 - Video production activities
Private Limited Company
Incorporated 17 September 2015
96090 - Other service activities n.e.c.
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Harrow 029C includes HA1 3RQ 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 3RQ is in Harrow, England.
The Census 2021 postcode-level dataset records 93 residents at HA1 3RQ. 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 3RQ postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full HA1 3RQ postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.