Explore HA4 9DY in Hillingdon 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 56 residents and 22 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 | HA4 9DY |
| Postcode without spaces | HA49DY |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1980 |
| Directory version | 2026-06 |
| Latitude | 51.5674700 |
| Longitude | -0.3964580 |
| British National Grid | 511,237 E, 186,617 N |
| Country | England |
| Region | London |
| Local authority | Hillingdon |
| Output Area (2021) | E00012052 |
| LSOA (2021) | E01002421 |
| MSOA (2021) | E02000501 |
| Electoral ward | E05013567 |
| Westminster constituency | E14001454 |
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 | 56 |
| Households | 22 |
| Female residents | 21 |
| Male residents | 35 |
| Residents per household | 2.5 |
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 |
|---|---|---|---|---|
| 24 Oct 2025 | 218A, WHITBY ROAD, RUISLIP | Flat or maisonette | Leasehold | £315,000 |
| 13 Jun 2024 | 210, WHITBY ROAD, RUISLIP | Semi-detached | Freehold | £435,000 |
| 17 Feb 2023 | 174, WHITBY ROAD, RUISLIP | Terraced | Freehold | £450,000 |
| 7 Sep 2022 | 218A, WHITBY ROAD, RUISLIP | Other | Freehold | £220,000 |
| 25 Aug 2022 | 202, WHITBY ROAD, RUISLIP | Semi-detached | Freehold | £570,000 |
| 14 Dec 2021 | 182, WHITBY ROAD, RUISLIP | Semi-detached | Freehold | £515,000 |
| 22 Jun 2021 | 214A, WHITBY ROAD, RUISLIP | Flat or maisonette | Leasehold | £295,000 |
| 24 May 2021 | 180, WHITBY ROAD, RUISLIP | Semi-detached | Freehold | £490,000 |
| 5 Feb 2021 | 170, WHITBY ROAD, RUISLIP | Semi-detached | Freehold | £530,000 |
| 15 Jun 2020 | 202, WHITBY ROAD, RUISLIP | Semi-detached | Freehold | £385,000 |
Open schools and active GP practices in the HA4 postcode district, ordered by straight-line distance where coordinates are available.
B
1 OXFORD DRIVE, RUISLIP, HA4 9EY
Voluntary aided school
Hunters Hill, South Ruislip, Ruislip, Middlesex, HA4 9HS
Ages 3–11 · 231 pupils of 240 capacity
6.3% eligible for free school meals
B
69 QUEENS WALK, RUISLIP, HA4 0NT
Community school
Field End Road, Eastcote, Ruislip, Middlesex, HA4 9PQ
Ages 2–7 · 265 pupils of 345 capacity
14.3% eligible for free school meals
Academy converter
Field End Junior School, Field End Road, Ruislip, HA4 9PQ
Ages 7–11 · 254 pupils of 360 capacity
26.4% eligible for free school meals
B
118 ELLIOTT AVENUE, RUISLIP, HA4 9LZ
Community school
Dawlish Drive, Ruislip Manor, Ruislip, Middlesex, HA4 9SF
Ages 3–11 · 653 pupils of 630 capacity
18.1% eligible for free school meals
Community school
Newnham Infant and Nursery School, Newnham Avenue, Eastcote, Ruislip, HA4 9RW
Ages 3–7 · 302 pupils of 270 capacity
7.8% eligible for free school meals
Community school
Newnham Avenue, Ruislip, HA4 9RW
Ages 7–11 · 350 pupils of 360 capacity
9.1% eligible for free school meals
Academy converter
Sidmouth Drive, Ruislip, Middlesex, HA4 0BY
Ages 11–18 · 1,311 pupils of 1,300 capacity
18.7% eligible for free school meals
Community school
Queens Walk, Ruislip, Middlesex, HA4 0LR
Ages 3–11 · 684 pupils of 568 capacity
15.5% eligible for free school meals
B
700 FIELD END ROAD, RUISLIP, HA4 0QR
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 7 February 2022
68100 - Buying and selling of own real estate
Private Limited Company
Incorporated 16 January 2019
52290 - Other transportation support activities
Private Limited Company
Incorporated 23 June 2015
47110 - Retail sale in non-specialised stores with food, beverages or tobacco predominating
Private Limited Company
Incorporated 16 February 2012
56103 - Take-away food shops and mobile food stands
Private Limited Company
Incorporated 25 July 2018
62090 - Other information technology service activities
Private Limited Company
Incorporated 7 January 2015
85590 - Other education n.e.c.
Private Limited Company
Incorporated 7 January 2015
85590 - Other education n.e.c.
Private Limited Company
Incorporated 30 April 2001
4533 - Plumbing
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Hillingdon 008D includes HA4 9DY and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 9 |
| Vehicle crime | 5 |
| Anti-social behaviour | 2 |
| Public order | 2 |
Answers use the geographic scope stated with each dataset above.
HA4 9DY is in Hillingdon, England.
The Census 2021 postcode-level dataset records 56 residents at HA4 9DY. 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 HA4 9DY postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full HA4 9DY postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.