Explore HA3 6JA in Harrow on an interactive map. See its location and approximate address-derived boundary, then review the exact-postcode facts and wider-area statistics available below. Editable vector files, printed maps and postcode colouring tools are also available. Census 2021 records 138 residents and 43 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 | HA3 6JA |
| Postcode without spaces | HA36JA |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.6055300 |
| Longitude | -0.3460600 |
| British National Grid | 514,634 E, 190,928 N |
| Country | England |
| Region | London |
| Local authority | Harrow |
| Output Area (2021) | E00010732 |
| LSOA (2021) | E01002140 |
| MSOA (2021) | E02000437 |
| Electoral ward | E05013548 |
| Westminster constituency | E14001270 |
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 | 138 |
| Households | 43 |
| Female residents | 76 |
| Male residents | 62 |
| 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 |
|---|---|---|---|---|
| 5 Sep 2025 | 32, MARICAS AVENUE, HARROW | Semi-detached | Freehold | £642,000 |
| 11 Aug 2025 | 31, MARICAS AVENUE, HARROW | Semi-detached | Freehold | £565,000 |
| 27 Jan 2023 | 27, MARICAS AVENUE, HARROW | Semi-detached | Freehold | £665,000 |
| 14 Jan 2022 | 7, MARICAS AVENUE, HARROW | Semi-detached | Freehold | £675,000 |
Open schools and active GP practices in the HA3 postcode district, ordered by straight-line distance where coordinates are available.
B
1 LONG ELMES, HARROW WEALD, HARROW, HA3 5LE
Community special school
Whittlesea Road, Harrow, HA3 6ND
Ages 11–19 · 134 pupils
43.9% eligible for free school meals
Community school
Whittlesea Road, Harrow, HA3 6LS
Ages 3–11 · 339 pupils of 486 capacity
41.1% eligible for free school meals
B
ENDERLEY ROAD MEDICAL CTR, 41-45 ENDERLEY ROAD, HARROW, HA3 5HF
Voluntary aided school
Long Elmes, Harrow Weald, Harrow, Middlesex, HA3 6LE
Ages 3–11 · 428 pupils of 472 capacity
18.6% eligible for free school meals
Sixth form centres
Harrow Teachers Centre, Achievement and Inclusion Service, Tudor Road, Harrow, Middlesex, HA3 5PQ
Ages 16–19
Academy converter
Headstone Lane, Harrow, HA3 6NR
Ages 11–18 · 1,226 pupils of 1,337 capacity
36.0% eligible for free school meals
Community special school
Headstone Lane, Harrow, HA3 6LE
Ages 11–19 · 165 pupils of 175 capacity
43.5% eligible for free school meals
Academy converter
High Road, Harrow Weald, Harrow, HA3 5DY
Ages 11–16 · 802 pupils of 687 capacity
27.1% eligible for free school meals
Academy converter
Whitefriars Avenue, Wealdstone, Harrow, Middlesex, HA3 5RQ
Ages 3–18 · 1,419 pupils of 1,582 capacity
31.6% eligible for free school meals
Free schools
Brookshill, Harrow Weald, Harrow, Middlesex, HA3 6RR
Ages 4–11 · 356 pupils of 420 capacity
21.1% eligible for free school meals
Pupil referral unit
94 Uxbridge Road, Harrow, Middlesex, HA3 6DH
Ages 5–16 · 46 pupils
45.7% eligible for free school meals
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 9 June 2025
47640 - Retail sale of sports goods, fishing gear, camping goods, boats and bicycles
Private Limited Company
Incorporated 24 February 2024
73110 - Advertising agencies
Private Limited Company
Incorporated 7 June 2021
68100 - Buying and selling of own real estate
Private Limited Company
Incorporated 21 April 2021
68209 - Other letting and operating of own or leased real estate
Private Limited Company
Incorporated 19 June 2019
47910 - Retail sale via mail order houses or via Internet
Private Limited Company
Incorporated 7 February 2011
41202 - Construction of domestic buildings
Private Limited Company
Incorporated 2 June 2010
82990 - Other business support service activities n.e.c.
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Harrow 005A includes HA3 6JA and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 5 |
| Anti-social behaviour | 2 |
| Public order | 2 |
| Other theft | 1 |
| Vehicle crime | 1 |
Answers use the geographic scope stated with each dataset above.
HA3 6JA is in Harrow, England.
The Census 2021 postcode-level dataset records 138 residents at HA3 6JA. 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 HA3 6JA postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full HA3 6JA postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.