| Postcode | HA2 8SN | 
|---|---|
| Post Town | Harrow | 
| Nearest station | Northolt Park (1 km) | 
| Bus stops | Kings Road (HA2) (E) Bodmin Close (S) Malvern Avenue (N) Malvern Avenue (S) Alexandra Avenue (HA2) (E) Eastcote Lane (HA2) (N) | 
| London travel zone | 5 | 
| Roads in this postcode | |
| Number of UPRNs | 37 View | 
| Known addresses | 81A Carlyon Avenue, Harrow 81B Carlyon Avenue, Harrow 81C Carlyon Avenue, Harrow 81D Carlyon Avenue, Harrow 85 Carlyon Avenue, Harrow 87 Carlyon Avenue, Harrow 91 Carlyon Avenue, Harrow 93 Carlyon Avenue, Harrow 95 Carlyon Avenue, Harrow 97 Carlyon Avenue, Harrow 99 Carlyon Avenue, Harrow 101 Carlyon Avenue, Harrow 103 Carlyon Avenue, Harrow 107 Carlyon Avenue, Harrow 115 Carlyon Avenue, Harrow 119 Carlyon Avenue, Harrow 123 Carlyon Avenue, Harrow 125 Carlyon Avenue, Harrow 127 Carlyon Avenue, Harrow 129 Carlyon Avenue, Harrow 131A Carlyon Avenue, Harrow 131B Carlyon Avenue, Harrow 133 Carlyon Avenue, Harrow 135 Carlyon Avenue, Harrow 137 Carlyon Avenue, Harrow | 
| Main property type | Semi-detached | 
| Businesses | 
| Latitude | 51.559975 | |
|---|---|---|
| Longitude | -0.371677 | |
| Easting | 512974 | |
| Northing | 185822 | |
| Grid reference | TQ129858 | |
| UTM reference | 30U 682185 5715373 | |
| what3words | trucks.ruler.garden | |
| FixPhrase | cringing magician spoon tassel | |
| Plus code | 9C3XHJ5H+X8 | |
| Altitude | 40 metres (130 feet) | |
| Sunrise (today) | 6:54 | |
| Sunset (today) | 16:38 | |
| Distance away | ||
| Distance to sea | 55.4 KMs (34.4 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) | 80 | |
|---|---|---|
| Households (2011) | 32 | |
| 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) | E00011097 | |
| Census output area (2011) | 4C2 | |
| Lower layer super output area (2021) | Harrow 031C | E01002220 | 
| Lower layer super output area (2011) | Harrow 031C | E01002220 | 
| 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 | 
|---|---|---|---|
| 131A Carlyon Avenue, Harrow | Flat (leasehold) | Sep 2023 | £355,000 | 
| Flat (leasehold) | Feb 2006 | £175,000 | |
| Flat (leasehold) | Dec 2002 | £134,950 | |
| Flat (leasehold) | May 2001 | £90,000 | |
| 81C Carlyon Avenue, Harrow | Flat (leasehold) | Apr 2023 | £135,000 | 
| 131B Carlyon Avenue, Harrow | Flat (leasehold) | Dec 2020 | £240,000 | 
| Flat (leasehold) | Oct 2005 | £140,000 | |
| Flat (leasehold) | Oct 1999 | £73,500 | |
| 137 Carlyon Avenue, Harrow | Semi-detached (freehold) | Jul 2019 | £530,000 | 
| 119 Carlyon Avenue, Harrow | Semi-detached (freehold) | Oct 2017 | £504,000 | 
| 133 Carlyon Avenue, Harrow | Semi-detached (freehold) | Mar 2016 | £447,500 | 
| Terraced (freehold) | Nov 2011 | £300,000 | |
| Terraced (freehold) | Aug 2006 | £250,000 | |
| Terraced (freehold) | Oct 2003 | £200,000 | |
| 127 Carlyon Avenue, Harrow | Semi-detached (freehold) | Feb 2016 | £505,000 | 
| Semi-detached (freehold) | Nov 1997 | £118,000 | |
| 115 Carlyon Avenue, Harrow | Semi-detached (freehold) | Nov 2015 | £424,950 | 
| 101 Carlyon Avenue, Harrow | Flat (leasehold) | May 2015 | £245,000 | 
| Flat (leasehold) | Jul 1998 | £69,950 | |
| 107 Carlyon Avenue, Harrow | Semi-detached (freehold) | Jan 2015 | £280,000 | 
| Semi-detached (freehold) | Oct 2003 | £240,000 | |
| Semi-detached (freehold) | Jun 1996 | £85,000 |