| Postcode | HA2 8ST | 
|---|---|
| Post Town | Harrow | 
| Nearest station | Northolt Park (1 km) | 
| Bus stops | Kings Road (HA2) (E) Bodmin Close (S) Alexandra Avenue (HA2) (E) Alexandra Avenue (HA2) (W) | 
| London travel zone | 5 | 
| Roads in this postcode | |
| Number of UPRNs | 23 View | 
| Known addresses | 37 Carlyon Avenue, Harrow 39 Carlyon Avenue, Harrow 41 Carlyon Avenue, Harrow 43 Carlyon Avenue, Harrow 45 Carlyon Avenue, Harrow 47 Carlyon Avenue, Harrow 49 Carlyon Avenue, Harrow 51 Carlyon Avenue, Harrow 53 Carlyon Avenue, Harrow 57 Carlyon Avenue, Harrow 59 Carlyon Avenue, Harrow 61 Carlyon Avenue, Harrow 65 Carlyon Avenue, Harrow 67 Carlyon Avenue, Harrow 71 Carlyon Avenue, Harrow 75 Carlyon Avenue, Harrow 77 Carlyon Avenue, Harrow | 
| Main property type | Semi-detached | 
| Businesses | 
| Latitude | 51.558627 | |
|---|---|---|
| Longitude | -0.369763 | |
| Easting | 513110 | |
| Northing | 185675 | |
| Grid reference | TQ131856 | |
| UTM reference | 30U 682323 5715228 | |
| what3words | zebra.layers.sleepy | |
| FixPhrase | cringing magician splice unnamed | |
| Plus code | 9C3XHJ5J+F3 | |
| Altitude | 41 metres (133 feet) | |
| Sunrise (today) | 6:54 | |
| Sunset (today) | 16:38 | |
| Distance away | ||
| Distance to sea | 55.2 KMs (34.3 miles) | 
| Parish | Harrow, unparished area | E43000205 | 
|---|---|---|
| Ward | Roxeth | E05013559 | 
| 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) | 85 | |
|---|---|---|
| Households (2011) | 23 | |
| 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) | E00011082 | |
| Census output area (2011) | 4C2 | |
| Lower layer super output area (2021) | Harrow 031D | E01002223 | 
| Lower layer super output area (2011) | Harrow 031D | E01002223 | 
| Middle layer super output area (2021) | Earlsmead | E02000463 | 
| Middle layer super output area (2011) | Earlsmead | E02000463 | 
| Travel to work area | Slough and Heathrow | E30000266 | 
| Average property price in Harrow | £533,144 | 
|---|---|
| Annual change | 0.3% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 67 Carlyon Avenue, Harrow | Terraced (freehold) | Mar 2025 | £580,000 | 
| 53 Carlyon Avenue, Harrow | Semi-detached (freehold) | Nov 2024 | £565,000 | 
| Semi-detached (freehold) | Nov 1998 | £136,500 | |
| 41 Carlyon Avenue, Harrow | Terraced (freehold) | Oct 2023 | £615,000 | 
| 49 Carlyon Avenue, Harrow | Semi-detached (freehold) | Dec 2021 | £480,000 | 
| 65 Carlyon Avenue, Harrow | Terraced (freehold) | Nov 2008 | £205,000 | 
| Terraced (freehold) | Oct 2003 | £228,000 | |
| 47 Carlyon Avenue, Harrow | Terraced (freehold) | Apr 2007 | £410,000 | 
| Terraced (freehold) | Dec 2003 | £247,500 | |
| Terraced (freehold) | Jun 1999 | £115,000 | |
| 75 Carlyon Avenue, Harrow | Semi-detached (freehold) | Dec 2006 | £246,000 | 
| Semi-detached (freehold) | Oct 2005 | £246,000 | |
| 45 Carlyon Avenue, Harrow | Terraced (freehold) | Jun 2006 | £245,000 | 
| Terraced (freehold) | Dec 2002 | £225,000 | |
| 71 Carlyon Avenue, Harrow | Terraced (freehold) | Mar 2003 | £225,000 | 
| 43 Carlyon Avenue, Harrow | Terraced (freehold) | Nov 2002 | £220,000 | 
| Terraced (freehold) | Oct 2000 | £130,000 |