Use this guide to understand HA1 3DG 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 1 residents and 1 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 3DG |
| Postcode without spaces | HA13DG |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.5738000 |
| Longitude | -0.3441540 |
| British National Grid | 514,846 E, 187,402 N |
| Country | England |
| Region | London |
| Local authority | Harrow |
| Output Area (2021) | E00010693 |
| LSOA (2021) | E01002132 |
| 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 | 1 |
| Households | 1 |
| Female residents | 0 |
| Male residents | 1 |
| Residents per household | 1.0 |
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.
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
5 High Street, Harrow-on-the-Hill, HA1 3HP
Ages 12–19 · 833 pupils of 837 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
B
97 PINNER ROAD, HARROW, HA1 4ET
Further education
Mount Park Avenue, Harrow-on-the-Hill, Middlesex, HA1 3HX
Ages 16–18
Other independent school
13 Kenton Road, Harrow, Middlesex, HA1 2BW
Ages 11–17 · 60 pupils of 60 capacity
Community school
The Gardens, Vaughan Road, West Harrow, Harrow, Middlesex, HA1 4EL
Ages 3–11 · 668 pupils of 630 capacity
17.7% eligible for free school meals
B
107 HEADSTONE ROAD, HARROW, HA1 1PG
Community school
Welldon Crescent, Harrow, Middlesex, HA1 1QQ
Ages 3–11 · 641 pupils of 640 capacity
17.4% eligible for free school meals
B
289 STATION ROAD, HARROW, HA1 2TA
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Harrow 029A includes HA1 3DG and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Anti-social behaviour | 3 |
| Violence and sexual offences | 2 |
| Burglary | 1 |
Answers use the geographic scope stated with each dataset above.
HA1 3DG is in Harrow, England.
The Census 2021 postcode-level dataset records 1 residents at HA1 3DG. 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 3DG postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.