| Postcode | AL5 5PL | 
|---|---|
| Post Town | Harpenden | 
| Nearest station | Harpenden (1 km) | 
| Bus stops | Chesterton Avenue (NW) Lyndhurst Drive (NE) Lyndhurst Drive (SW) Spenser Road (SE) Spenser Road (NW) Topstreet Way (E) | 
| Roads in this postcode | |
| Number of UPRNs | 41 View | 
| Known addresses | 75 Overstone Road, Harpenden 77 Overstone Road, Harpenden 81 Overstone Road, Harpenden 83 Overstone Road, Harpenden 85 Overstone Road, Harpenden 87 Overstone Road, Harpenden 89 Overstone Road, Harpenden 90 Overstone Road, Harpenden 91 Overstone Road, Harpenden 92 Overstone Road, Harpenden 93 Overstone Road, Harpenden 94 Overstone Road, Harpenden 95 Overstone Road, Harpenden 96 Overstone Road, Harpenden 97 Overstone Road, Harpenden 98 Overstone Road, Harpenden 99 Overstone Road, Harpenden 99A Overstone Road, Harpenden 100 Overstone Road, Harpenden 101 Overstone Road, Harpenden 102 Overstone Road, Harpenden 103 Overstone Road, Harpenden 104 Overstone Road, Harpenden 106 Overstone Road, Harpenden 107 Overstone Road, Harpenden 108 Overstone Road, Harpenden 109 Overstone Road, Harpenden 110 Overstone Road, Harpenden 111 Overstone Road, Harpenden 113 Overstone Road, Harpenden 115 Overstone Road, Harpenden 117 Overstone Road, Harpenden 119 Overstone Road, Harpenden 121 Overstone Road, Harpenden 123 Overstone Road, Harpenden | 
| Main property type | Detached | 
| Businesses | 
| Latitude | 51.814998 | |
|---|---|---|
| Longitude | -0.343595 | |
| Easting | 514278 | |
| Northing | 214227 | |
| Grid reference | TL142142 | |
| UTM reference | 30U 683099 5743799 | |
| what3words | shirts.venues.orange | |
| FixPhrase | crisped magician senator tannery | |
| Plus code | 9C3XRM74+XH | |
| Altitude | 129 metres (424 feet) | |
| Sunrise (today) | 6:55 | |
| Sunset (today) | 16:37 | |
| Distance away | ||
| Distance to sea | 64.9 KMs (40.3 miles) | 
| Parish | Harpenden Town | E04013284 | 
|---|---|---|
| Ward | Harpenden West | E05013955 | 
| Local Authority District | St Albans | E07000240 | 
| County Electoral Division | Harpenden South West | E58000626 | 
| Local Authority | Hertfordshire | E10000015 | 
| County | Hertfordshire | E10000015 | 
| Constituency (2024) | Harpenden and Berkhamsted | E14001268 | 
| MP | Victoria Collins | Liberal Democrat | 
| Police force | Hertfordshire | |
| Water company | Affinity Water | |
| Sewage company | Thames Water | |
| NUTS/ITL 3 | South West Hertfordshire | |
| NUTS/ITL 2 | Bedfordshire and Hertfordshire | |
| NUTS/ITL 1 | East of England | |
| 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) | 37 | |
| 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 city and town | |
| Built up area (2024) | Harpenden | E63011425 | 
| Census output area (2021) | E00120350 | |
| Census output area (2011) | 5B1 | |
| Lower layer super output area (2021) | St Albans 003D | E01023702 | 
| Lower layer super output area (2011) | St Albans 003D | E01023702 | 
| Middle layer super output area (2021) | Harpenden Town | E02004926 | 
| Middle layer super output area (2011) | Harpenden Town | E02004926 | 
| Travel to work area | Luton | E30000237 | 
| Average property price in St Albans | £541,094 | 
|---|---|
| Annual change | -0.5% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 83 Overstone Road, Harpenden | Semi-detached (freehold) | Jun 2025 | £1,760,000 | 
| Semi-detached (freehold) | Sep 2004 | £475,000 | |
| 115 Overstone Road, Harpenden | Detached (freehold) | Mar 2025 | £1,375,000 | 
| Detached (freehold) | Sep 2013 | £620,000 | |
| Detached (freehold) | Oct 2010 | £581,500 | |
| Detached (freehold) | May 2002 | £345,000 | |
| 113 Overstone Road, Harpenden | Detached (freehold) | Oct 2024 | £900,000 | 
| 87 Overstone Road, Harpenden | Detached (freehold) | Sep 2024 | £1,192,500 | 
| 94 Overstone Road, Harpenden | Flat (leasehold) | Dec 2023 | £415,000 | 
| Flat (leasehold) | Feb 2022 | £365,000 | |
| Flat (leasehold) | Aug 1997 | £4,250 | |
| Flat (leasehold) | Aug 1997 | £73,000 | |
| 109 Overstone Road, Harpenden | Detached (freehold) | Oct 2022 | £1,450,000 | 
| Detached (freehold) | Dec 2010 | £889,000 | |
| Detached (freehold) | Jun 1999 | £295,000 | |
| 99 Overstone Road, Harpenden | Detached (freehold) | Jun 2022 | £1,160,000 | 
| Detached (freehold) | Mar 2019 | £890,000 | |
| Detached (freehold) | Jul 2016 | £950,000 | |
| 121 Overstone Road, Harpenden | Detached (freehold) | Sep 2021 | £855,111 | 
| Detached (freehold) | Jul 2019 | £790,000 | |
| Detached (freehold) | Sep 1995 | £136,000 | |
| 81 Overstone Road, Harpenden | Detached (freehold) | Jun 2021 | £1,055,000 | 
| 104 Overstone Road, Harpenden | Flat (leasehold) | May 2020 | £490,000 | 
| Flat (leasehold) | Dec 2014 | £349,000 |