| Postcode | HA4 9SR | 
|---|---|
| Post Town | Ruislip | 
| Nearest station | Eastcote (0 km) | 
| Bus stops | Hoylake Gardens (E) Chandos Road (HA5) (E) Ferncroft Avenue (N) Eastcote (S) Eastcote (N) Chandos Road (HA5) (W) | 
| London travel zone | 5 | 
| Roads in this postcode | |
| Number of UPRNs | 31 View | 
| Known addresses | 1 Ascot Court, 8 Sunningdale Avenue, Ruislip 2 Ascot Court, 8 Sunningdale Avenue, Ruislip 2 Sunningdale Avenue, Ruislip 3 Ascot Court, 8 Sunningdale Avenue, Ruislip 4 Ascot Court, 8 Sunningdale Avenue, Ruislip 4 Sunningdale Avenue, Ruislip 5 Ascot Court, 8 Sunningdale Avenue, Ruislip 6 Ascot Court, 8 Sunningdale Avenue, Ruislip 7 Ascot Court, 8 Sunningdale Avenue, Ruislip 8 Ascot Court, 8 Sunningdale Avenue, Ruislip 8A Sunningdale Avenue, Ruislip 12 Sunningdale Avenue, Ruislip 14 Sunningdale Avenue, Ruislip 20 Sunningdale Avenue, Ruislip 22 Sunningdale Avenue, Ruislip 26 Sunningdale Avenue, Ruislip 28 Sunningdale Avenue, Ruislip 32 Sunningdale Avenue, Ruislip 34 Sunningdale Avenue, Ruislip 36 Sunningdale Avenue, Ruislip | 
| Main property type | Semi-detached | 
| Businesses | 
| Latitude | 51.575427 | |
|---|---|---|
| Longitude | -0.394042 | |
| Easting | 511386 | |
| Northing | 187506 | |
| Grid reference | TQ113875 | |
| UTM reference | 30U 680573 5717035 | |
| what3words | faces.poems.area | |
| FixPhrase | cringing magician stimuli underuse | |
| Plus code | 9C3XHJG4+59 | |
| Altitude | 51 metres (167 feet) | |
| Sunrise (today) | 6:54 | |
| Sunset (today) | 16:38 | |
| Distance away | ||
| Distance to sea | 57.3 KMs (35.6 miles) | 
| Parish | Hillingdon, unparished area | E43000207 | 
|---|---|---|
| Ward | Eastcote | E05013567 | 
| London Borough | Hillingdon | E09000017 | 
| County | Greater London | E11000009 | 
| Constituency (2024) | Ruislip, Northwood and Pinner | E14001454 | 
| MP | David Simmonds | Conservative | 
| Police force | Metropolitan Police | |
| Water company | Affinity Water | |
| Sewage company | Thames Water | |
| NUTS/ITL 3 | Harrow and Hillingdon | |
| NUTS/ITL 2 | Outer London - West and North West | |
| NUTS/ITL 1 | London | |
| Country | England | E92000001 | 
| Date introduced | January 1980 | 
|---|---|
| Last updated | September 2025 | 
| User type | Small (addresses receive less than 25 items of mail per day) | 
| Quality | Within the building of the matched address closest to the postcode mean | 
| Population (2011) | 58 | |
|---|---|---|
| Households (2011) | 21 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Urban: Nearer to a major town or city | |
| Rural/urban (2011) | Urban major conurbation | |
| Built up area (2024) | Hillingdon | E63012034 | 
| Census output area (2021) | E00012066 | |
| Census output area (2011) | 5B1 | |
| Lower layer super output area (2021) | Hillingdon 006B | E01002419 | 
| Lower layer super output area (2011) | Hillingdon 006B | E01002419 | 
| Middle layer super output area (2021) | Eastcote | E02000499 | 
| Middle layer super output area (2011) | Eastcote | E02000499 | 
| Travel to work area | Slough and Heathrow | E30000266 | 
| Average property price in Harrow | £533,144 | 
|---|---|
| Annual change | 0.3% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 34 Sunningdale Avenue, Ruislip | Semi-detached (freehold) | Dec 2022 | £705,000 | 
| Semi-detached (freehold) | Aug 1996 | £105,000 | |
| 36 Sunningdale Avenue, Ruislip | Semi-detached (freehold) | Sep 2021 | £702,500 | 
| 4 Ascot Court, 8 Sunningdale Avenue, Ruislip | Flat (leasehold) | Apr 2021 | £400,000 | 
| New build flat (leasehold) | Feb 2013 | £278,000 | |
| 5 Ascot Court, 8 Sunningdale Avenue, Ruislip | Flat (leasehold) | Feb 2020 | £350,000 | 
| New build flat (leasehold) | Jan 2013 | £270,000 | |
| 4 Sunningdale Avenue, Ruislip | Semi-detached (freehold) | Jul 2019 | £556,000 | 
| 14 Sunningdale Avenue, Ruislip | Semi-detached (freehold) | Jun 2018 | £592,000 | 
| Semi-detached (freehold) | Oct 1998 | £160,000 | |
| 7 Ascot Court, 8 Sunningdale Avenue, Ruislip | New build flat (leasehold) | Aug 2013 | £275,000 | 
| 26 Sunningdale Avenue, Ruislip | Semi-detached (freehold) | Jul 2013 | £380,000 | 
| Semi-detached (freehold) | Jan 2004 | £295,000 | |
| 8A Sunningdale Avenue, Ruislip | Detached (freehold) | Jul 2013 | £548,000 | 
| Flat (freehold) | Nov 2006 | £385,000 | |
| 8 Ascot Court, 8 Sunningdale Avenue, Ruislip | New build flat (leasehold) | Jun 2013 | £275,000 |