| Postcode | AL5 3NN | 
|---|---|
| Post Town | Harpenden | 
| Nearest station | Harpenden (2 km) | 
| Bus stops | 
                       Park Rise Close (SW) 
Roundwood Lane (NW) 
Roundwood Lane (SE) 
Ridgewood Drive (SE) 
Ridgewood Drive (NW) 
Farm Avenue (SE) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 24 View | 
| Known addresses | 
                       2 Ridgewood Gardens, Harpenden 
                            3 Ridgewood Gardens, Harpenden 
                            4 Ridgewood Gardens, Harpenden 
                            5 Ridgewood Gardens, Harpenden 
                            6 Ridgewood Gardens, Harpenden 
                            8 Ridgewood Gardens, Harpenden 
                            9 Ridgewood Gardens, Harpenden 
                            10 Ridgewood Gardens, Harpenden 
                            11 Ridgewood Gardens, Harpenden 
                            12 Ridgewood Gardens, Harpenden 
                            13 Ridgewood Gardens, Harpenden 
                            14 Ridgewood Gardens, Harpenden 
                            16 Ridgewood Gardens, Harpenden 
                            17 Ridgewood Gardens, Harpenden 
                            18 Ridgewood Gardens, Harpenden 
                            19 Ridgewood Gardens, Harpenden 
                            20 Ridgewood Gardens, Harpenden 
                            21 Ridgewood Gardens, Harpenden 
                            22 Ridgewood Gardens, Harpenden 
                       | 
                  
| Main property type | Detached | 
| Businesses | 
| Latitude | 51.826942 | |
|---|---|---|
| Longitude | -0.372064 | |
| Easting | 512286 | |
| Northing | 215511 | |
| Grid reference | TL122155 | |
| UTM reference | 30U 681089 5745056 | |
| what3words | push.trio.blank | |
| FixPhrase | crisped magician shortly wanting | |
| Plus code | 9C3XRJGH+Q5 | |
| Altitude | 117 metres (385 feet) | |
| Sunrise (today) | 7:02 | |
| Sunset (today) | 16:30 | |
| Distance away | ||
| Distance to sea | 67.2 KMs (41.8 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 | April 1987 | 
|---|---|
| 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) | 77 | |
|---|---|---|
| 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 city and town | |
| Built up area (2024) | Harpenden | E63011425 | 
| Census output area (2021) | E00120322 | |
| Census output area (2011) | 6A1 | |
| Lower layer super output area (2021) | St Albans 001B | E01023691 | 
| Lower layer super output area (2011) | St Albans 001B | E01023691 | 
| 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 | 
|---|---|---|---|
| 12 Ridgewood Gardens, Harpenden | Detached (freehold) | Oct 2023 | £890,000 | 
| 22 Ridgewood Gardens, Harpenden | Detached (freehold) | Jan 2022 | £695,000 | 
| Detached (freehold) | Nov 2016 | £630,000 | |
| Detached (freehold) | Nov 2013 | £490,000 | |
| Detached (freehold) | Feb 2012 | £430,000 | |
| Detached (freehold) | Dec 2006 | £395,000 | |
| Detached (freehold) | Sep 1999 | £200,000 | |
| Detached (freehold) | Sep 1995 | £127,500 | |
| 3 Ridgewood Gardens, Harpenden | Detached (freehold) | May 2021 | £852,500 | 
| Detached (freehold) | Jan 1998 | £249,000 | |
| 18 Ridgewood Gardens, Harpenden | Detached (freehold) | Mar 2021 | £825,000 | 
| Detached (freehold) | Mar 2000 | £282,500 | |
| Detached (freehold) | Nov 1995 | £182,000 | |
| 16 Ridgewood Gardens, Harpenden | Detached (freehold) | Feb 2021 | £975,000 | 
| Detached (freehold) | Apr 2012 | £661,001 | |
| Detached (freehold) | Oct 2005 | £530,000 | |
| Detached (freehold) | Jul 2005 | £499,950 | |
| Detached (freehold) | Feb 2002 | £423,000 | |
| Detached (freehold) | Apr 1997 | £220,500 | |
| 6 Ridgewood Gardens, Harpenden | Detached (freehold) | Jan 2021 | £815,000 | 
| Detached (freehold) | Aug 2016 | £767,000 | |
| Detached (freehold) | Nov 2011 | £605,000 | |
| Semi-detached (freehold) | Jun 2006 | £450,000 | |
| Semi-detached (freehold) | Apr 2000 | £287,000 | |
| 9 Ridgewood Gardens, Harpenden | Detached (freehold) | Feb 2019 | £840,000 | 
| Detached (freehold) | Feb 1999 | £285,000 | |
| 4 Ridgewood Gardens, Harpenden | Detached (freehold) | Sep 2018 | £850,000 | 
| Detached (freehold) | Dec 2011 | £560,000 | |
| Detached (freehold) | Mar 2000 | £283,000 | |
| 5 Ridgewood Gardens, Harpenden | Detached (freehold) | Jun 2016 | £770,000 | 
| Detached (freehold) | Feb 2010 | £585,000 | |
| Detached (freehold) | Jul 2009 | £520,000 | |
| Detached (freehold) | May 2005 | £540,000 | |
| Detached (freehold) | May 2001 | £325,000 | |
| Detached (freehold) | Dec 1999 | £285,000 | |
| 21 Ridgewood Gardens, Harpenden | Detached (freehold) | Mar 2016 | £625,000 | 
| Detached (freehold) | May 2010 | £425,000 |