| Postcode | HA1 1QR | 
|---|---|
| Post Town | Harrow | 
| Nearest station | Harrow-on-the-Hill (0 km) | 
| Bus stops | Kymberley Road (S) St Georges Centre (E) Harrow Bus Station (W) Harrow Bus Station (E) Greenhill Way (W) Hindes Road (N) | 
| London travel zone | 5 | 
| Roads in this postcode | |
| Number of UPRNs | 85 View | 
| Known addresses | Flat 1, 42 Welldon Crescent, Harrow Flat 1, 64 Welldon Crescent, Harrow Flat 1, 70 Welldon Crescent, Harrow Flat 1, 72 Welldon Crescent, Harrow Flat 1, 74 Welldon Crescent, Harrow Flat 1, 76 Welldon Crescent, Harrow Flat 1, 78 Welldon Crescent, Harrow Flat 2, 42 Welldon Crescent, Harrow Flat 2, 64 Welldon Crescent, Harrow Flat 2, 72 Welldon Crescent, Harrow Flat 2, 74 Welldon Crescent, Harrow Flat 2, 76 Welldon Crescent, Harrow Flat 2, 78 Welldon Crescent, Harrow Flat 3, 64 Welldon Crescent, Harrow Flat 3, 72 Welldon Crescent, Harrow Flat 3, 76 Welldon Crescent, Harrow Flat 3, 78 Welldon Crescent, Harrow Flat 4, 42 Welldon Crescent, Harrow Flat 4, 64 Welldon Crescent, Harrow Flat 4, 72 Welldon Crescent, Harrow Flat 4, 74 Welldon Crescent, Harrow Flat 4, 76 Welldon Crescent, Harrow Flat 4, 78 Welldon Crescent, Harrow Flat 5, 64 Welldon Crescent, Harrow Flat 5, 72 Welldon Crescent, Harrow Flat 5, 74 Welldon Crescent, Harrow Flat 5, 76 Welldon Crescent, Harrow Flat 5, 78 Welldon Crescent, Harrow Flat B, 70 Welldon Crescent, Harrow Ground Floor Maisonette, 44 Welldon Crescent, Harrow Lower Flat, 40 Welldon Crescent, Harrow Upper Flat, 40 Welldon Crescent, Harrow 28 Welldon Crescent, Harrow 30 Welldon Crescent, Harrow 32 Welldon Crescent, Harrow 34 Welldon Crescent, Harrow 36 Welldon Crescent, Harrow 48 Welldon Crescent, Harrow 48A Welldon Crescent, Harrow 50 Welldon Crescent, Harrow 50A Welldon Crescent, Harrow 52 Welldon Crescent, Harrow 52A Welldon Crescent, Harrow 54 Welldon Crescent, Harrow 54A Welldon Crescent, Harrow | 
| Main property type | Flat | 
| Businesses | 
| Latitude | 51.582779 | |
|---|---|---|
| Longitude | -0.337606 | |
| Easting | 515279 | |
| Northing | 188411 | |
| Grid reference | TQ152884 | |
| UTM reference | 30U 684454 5717994 | |
| what3words | senior.dishes.mild | |
| FixPhrase | cringing magician strongbox utilize | |
| Plus code | 9C3XHMM6+4X | |
| Altitude | 64 metres (211 feet) | |
| Sunrise (today) | 6:52 | |
| Sunset (today) | 16:39 | |
| Distance away | ||
| Distance to sea | 53.7 KMs (33.4 miles) | 
| Parish | Harrow, unparished area | E43000205 | 
|---|---|---|
| Ward | Marlborough | E05013553 | 
| London Borough | Harrow | E09000015 | 
| County | Greater London | E11000009 | 
| Constituency (2024) | Harrow West | E14001271 | 
| MP | Gareth Thomas | Labour | 
| 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) | 126 | |
|---|---|---|
| Households (2011) | 62 | |
| 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) | Harrow | E63011900 | 
| Census output area (2021) | E00010687 | |
| Census output area (2011) | 2D1 | |
| Lower layer super output area (2021) | Harrow 020A | E01002128 | 
| Lower layer super output area (2011) | Harrow 020A | E01002128 | 
| Middle layer super output area (2021) | Greenhill North | E02000452 | 
| Middle layer super output area (2011) | Greenhill North | E02000452 | 
| Travel to work area | London | E30000234 | 
| Average property price in Harrow | £533,144 | 
|---|---|
| Annual change | 0.3% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Flat 3, 64 Welldon Crescent, Harrow | Flat (leasehold) | Jan 2025 | £250,000 | 
| Flat (leasehold) | May 2017 | £260,000 | |
| Flat (leasehold) | Sep 2010 | £169,950 | |
| Flat (leasehold) | Sep 2005 | £150,000 | |
| 36 Welldon Crescent, Harrow | Semi-detached (freehold) | Apr 2024 | £690,000 | 
| Semi-detached (freehold) | Jan 2011 | £330,000 | |
| Flat 5, 74 Welldon Crescent, Harrow | Flat (leasehold) | Aug 2023 | £263,000 | 
| Flat (leasehold) | Jan 2018 | £240,000 | |
| 30 Welldon Crescent, Harrow | Terraced (freehold) | Apr 2023 | £535,000 | 
| Flat 5, 64 Welldon Crescent, Harrow | Flat (leasehold) | Mar 2023 | £260,000 | 
| Flat (leasehold) | Sep 2005 | £150,000 | |
| Flat 2, 72 Welldon Crescent, Harrow | Flat (leasehold) | Apr 2022 | £290,000 | 
| Flat (leasehold) | Jan 2013 | £174,950 | |
| Flat (leasehold) | Sep 2011 | £126,250 | |
| Flat (leasehold) | Mar 2005 | £110,000 | |
| Flat 1, 70 Welldon Crescent, Harrow | Flat (leasehold) | Mar 2022 | £350,000 | 
| Flat B, 70 Welldon Crescent, Harrow | Flat (leasehold) | Mar 2022 | £375,000 | 
| 48 Welldon Crescent, Harrow | Flat (leasehold) | Jun 2021 | £405,000 | 
| 54 Welldon Crescent, Harrow | Detached (leasehold) | Jan 2021 | £375,000 |