Use this guide to understand HA3 6SX 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 67 residents and 21 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 6SX |
| Postcode without spaces | HA36SX |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.6119000 |
| Longitude | -0.3469550 |
| British National Grid | 514,556 E, 191,635 N |
| Country | England |
| Region | London |
| Local authority | Harrow |
| Output Area (2021) | E00010730 |
| LSOA (2021) | E01002144 |
| MSOA (2021) | E02000436 |
| 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 | 67 |
| Households | 21 |
| Female residents | 33 |
| Male residents | 34 |
| 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 |
|---|---|---|---|---|
| 9 Apr 2026 | 4, BELLFIELD AVENUE, HARROW | Detached | Freehold | £1,500,000 |
| 16 Jul 2021 | 18, BELLFIELD AVENUE, HARROW | Detached | Freehold | £1,450,000 |
| 12 May 2020 | 36, BELLFIELD AVENUE, HARROW | Detached | Freehold | £852,500 |
Open schools and active GP practices in the HA3 postcode district, ordered by straight-line distance where coordinates are available.
Free schools
Brookshill, Harrow Weald, Harrow, Middlesex, HA3 6RR
Ages 4–11 · 356 pupils of 420 capacity
21.1% eligible for free school meals
Community special school
Whittlesea Road, Harrow, HA3 6ND
Ages 11–19 · 134 pupils
43.9% 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
Community school
Whittlesea Road, Harrow, HA3 6LS
Ages 3–11 · 339 pupils of 486 capacity
41.1% eligible for free school meals
B
1 LONG ELMES, HARROW WEALD, HARROW, HA3 5LE
Academy converter
Headstone Lane, Harrow, HA3 6NR
Ages 11–18 · 1,226 pupils of 1,337 capacity
36.0% eligible for free school meals
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
Community special school
Headstone Lane, Harrow, HA3 6LE
Ages 11–19 · 165 pupils of 175 capacity
43.5% eligible for free school meals
B
ENDERLEY ROAD MEDICAL CTR, 41-45 ENDERLEY ROAD, HARROW, HA3 5HF
Community school
Robin Hood Drive, Harrow Weald, Harrow, HA3 7DH
Ages 2–11 · 361 pupils of 476 capacity
27.5% 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
High Road, Harrow Weald, Harrow, HA3 5DY
Ages 11–16 · 802 pupils of 687 capacity
27.1% eligible for free school meals
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 14 January 2026
46450 - Wholesale of perfume and cosmetics
Private Limited Company
Incorporated 27 January 2025
46180 - Agents specialized in the sale of other particular products
Private Limited Company
Incorporated 16 April 2024
68100 - Buying and selling of own real estate
Private Limited Company
Incorporated 9 January 2023
47910 - Retail sale via mail order houses or via Internet
Private Limited Company
Incorporated 9 February 2021
49410 - Freight transport by road
Private Limited Company
Incorporated 17 December 2020
68100 - Buying and selling of own real estate
Private Limited Company
Incorporated 18 September 2019
69201 - Accounting and auditing activities
Private Limited Company
Incorporated 8 September 2015
68100 - Buying and selling of own real estate
Community Interest Company
Incorporated 4 November 2013
64999 - Financial intermediation not elsewhere classified
Private Limited Company
Incorporated 4 November 2013
68100 - Buying and selling of own real estate
Private Limited Company
Incorporated 5 September 2013
68209 - Other letting and operating of own or leased real estate
Private Limited Company
Incorporated 7 February 2012
69202 - Bookkeeping activities
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Harrow 004A includes HA3 6SX and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Anti-social behaviour | 3 |
| Theft from the person | 2 |
| Violence and sexual offences | 2 |
| Public order | 1 |
| Shoplifting | 1 |
Answers use the geographic scope stated with each dataset above.
HA3 6SX is in Harrow, England.
The Census 2021 postcode-level dataset records 67 residents at HA3 6SX. 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 6SX postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full HA3 6SX postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.