| Postcode | AL5 3BE | 
|---|---|
| Post Town | Harpenden | 
| Nearest station | Harpenden (2 km) | 
| Bus stops | 
                       Roundwood Lane (SE) 
Park Rise Close (SW) 
Park Rise Close (NE) 
Park Mount (NW) 
Park Mount (SE) 
Roundwood Park School (NW) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 15 View | 
| Known addresses | 
                       1 Otterton Close, Harpenden 
                            2 Otterton Close, Harpenden 
                            3 Otterton Close, Harpenden 
                            4 Otterton Close, Harpenden 
                            5 Otterton Close, Harpenden 
                            6 Otterton Close, Harpenden 
                            7 Otterton Close, Harpenden 
                            8 Otterton Close, Harpenden 
                            9 Otterton Close, Harpenden 
                            10 Otterton Close, Harpenden 
                            11 Otterton Close, Harpenden 
                            12 Otterton Close, Harpenden 
                            13 Otterton Close, Harpenden 
                       | 
                  
| Main property type | Semi-detached | 
| Businesses | 
| Latitude | 51.823513 | |
|---|---|---|
| Longitude | -0.368618 | |
| Easting | 512532 | |
| Northing | 215135 | |
| Grid reference | TL125151 | |
| UTM reference | 30U 681340 5744683 | |
| what3words | grow.launch.monks | |
| FixPhrase | crisped magician shifter unglue | |
| Plus code | 9C3XRJFJ+CH | |
| Altitude | 121 metres (397 feet) | |
| Sunrise (today) | 7:02 | |
| Sunset (today) | 16:30 | |
| Distance away | ||
| Distance to sea | 66.8 KMs (41.5 miles) | 
| Parish | Harpenden Town | E04013284 | 
|---|---|---|
| Ward | Harpenden North & Rural | E05013953 | 
| Local Authority District | St Albans | E07000240 | 
| County Electoral Division | Harpenden North East | E58000624 | 
| 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 | June 1998 | 
|---|---|
| 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) | 43 | |
|---|---|---|
| Households (2011) | 13 | |
| 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) | E00120309 | |
| Census output area (2011) | 5A2 | |
| Lower layer super output area (2021) | St Albans 001A | E01023690 | 
| Lower layer super output area (2011) | St Albans 001A | E01023690 | 
| Middle layer super output area (2021) | Harpenden North | E02004924 | 
| Middle layer super output area (2011) | Harpenden North | E02004924 | 
| Travel to work area | Luton | E30000237 | 
| Average property price in St Albans | £544,917 | 
|---|---|
| Annual change | 0.0% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 13 Otterton Close, Harpenden | Semi-detached (freehold) | Mar 2025 | £895,000 | 
| Semi-detached (freehold) | Dec 2009 | £599,950 | |
| Semi-detached (freehold) | Nov 2000 | £240,000 | |
| New build semi-detached (freehold) | Jan 1999 | £178,000 | |
| 5 Otterton Close, Harpenden | Detached (freehold) | Sep 2022 | £1,250,000 | 
| Detached (freehold) | Aug 2004 | £560,000 | |
| New build detached (freehold) | Jul 1998 | £290,000 | |
| 2 Otterton Close, Harpenden | Semi-detached (freehold) | Apr 2022 | £705,000 | 
| Semi-detached (freehold) | Jun 2006 | £395,000 | |
| New build semi-detached (freehold) | Jul 1998 | £174,000 | |
| 11 Otterton Close, Harpenden | Semi-detached (freehold) | Nov 2018 | £665,000 | 
| Semi-detached (freehold) | Nov 2000 | £340,000 | |
| New build semi-detached (freehold) | Jul 1998 | £239,950 | |
| 6 Otterton Close, Harpenden | Semi-detached (freehold) | Jun 2018 | £765,000 | 
| New build semi-detached (freehold) | Jul 1998 | £199,950 | |
| 1 Otterton Close, Harpenden | Terraced (freehold) | Sep 2015 | £570,000 | 
| Semi-detached (freehold) | Nov 2005 | £358,000 | |
| Semi-detached (freehold) | Dec 1999 | £207,500 | |
| New build semi-detached (freehold) | Jul 1998 | £187,000 | |
| 12 Otterton Close, Harpenden | Semi-detached (freehold) | Jan 2014 | £540,000 | 
| Semi-detached (freehold) | Mar 2006 | £450,000 | |
| Semi-detached (freehold) | Jan 1999 | £173,000 | |
| 9 Otterton Close, Harpenden | Semi-detached (freehold) | Mar 2012 | £499,995 | 
| Semi-detached (freehold) | Feb 2006 | £470,000 | |
| Semi-detached (freehold) | Jun 2004 | £390,000 | |
| New build semi-detached (freehold) | Jul 1998 | £216,950 | |
| 4 Otterton Close, Harpenden | Detached (freehold) | Aug 2010 | £662,000 | 
| Detached (freehold) | Oct 2006 | £552,500 | |
| New build detached (freehold) | Jul 1998 | £249,950 | |
| 7 Otterton Close, Harpenden | Semi-detached (freehold) | Sep 2006 | £450,000 | 
| New build semi-detached (freehold) | Jul 1998 | £194,950 |