| Postcode | AL5 4NF | 
|---|---|
| Post Town | Harpenden | 
| Nearest station | Harpenden (2 km) | 
| Bus stops | 
                       The Red Cow PH (NE) 
Westfield Road (NW) 
Westfield Road (SE) 
Willoughby Road (SE) 
Beeching Close (SW) 
Beeching Close (NE) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 26 View | 
| Known addresses | 
                       33 Coldharbour Lane, Harpenden 
                            35 Coldharbour Lane, Harpenden 
                            37 Coldharbour Lane, Harpenden 
                            39 Coldharbour Lane, Harpenden 
                            39A Coldharbour Lane, Harpenden 
                            41 Coldharbour Lane, Harpenden 
                            43 Coldharbour Lane, Harpenden 
                            45 Coldharbour Lane, Harpenden 
                            47 Coldharbour Lane, Harpenden 
                            49 Coldharbour Lane, Harpenden 
                            53 Coldharbour Lane, Harpenden 
                            55 Coldharbour Lane, Harpenden 
                            57 Coldharbour Lane, Harpenden 
                            59 Coldharbour Lane, Harpenden 
                            61 Coldharbour Lane, Harpenden 
                            63 Coldharbour Lane, Harpenden 
                            65 Coldharbour Lane, Harpenden 
                            67 Coldharbour Lane, Harpenden 
                            69 Coldharbour Lane, Harpenden 
                            71 Coldharbour Lane, Harpenden 
                            73 Coldharbour Lane, Harpenden 
                            75 Coldharbour Lane, Harpenden 
                            77 Coldharbour Lane, Harpenden 
                            79 Coldharbour Lane, Harpenden 
                            81 Coldharbour Lane, Harpenden 
                       | 
                  
| Main property type | Terraced | 
| Businesses | 
| Latitude | 51.829383 | |
|---|---|---|
| Longitude | -0.347232 | |
| Easting | 513991 | |
| Northing | 215821 | |
| Grid reference | TL139158 | |
| UTM reference | 30U 682790 5745389 | |
| what3words | zealous.glaze.flag | |
| FixPhrase | crisped magician shrubs uncut | |
| Plus code | 9C3XRMH3+Q4 | |
| Altitude | 93 metres (306 feet) | |
| Sunrise (today) | 7:02 | |
| Sunset (today) | 16:30 | |
| Distance away | ||
| Distance to sea | 65.9 KMs (41 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 | 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) | 52 | |
|---|---|---|
| Households (2011) | 24 | |
| 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) | E00120318 | |
| Census output area (2011) | 5B3 | |
| Lower layer super output area (2021) | St Albans 001D | E01023693 | 
| Lower layer super output area (2011) | St Albans 001D | E01023693 | 
| 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 | 
|---|---|---|---|
| 33 Coldharbour Lane, Harpenden | Terraced (freehold) | May 2025 | £836,000 | 
| Terraced (freehold) | May 2017 | £431,000 | |
| Terraced (freehold) | Oct 2003 | £250,000 | |
| 35 Coldharbour Lane, Harpenden | Semi-detached (freehold) | Mar 2025 | £495,000 | 
| Semi-detached (freehold) | Sep 2005 | £237,000 | |
| Semi-detached (freehold) | Jan 2004 | £209,950 | |
| 41 Coldharbour Lane, Harpenden | Semi-detached (freehold) | Mar 2025 | £770,000 | 
| Semi-detached (freehold) | Jun 2021 | £635,000 | |
| Semi-detached (freehold) | Apr 1999 | £152,500 | |
| 37 Coldharbour Lane, Harpenden | Semi-detached (freehold) | Mar 2025 | £485,000 | 
| Semi-detached (freehold) | Jun 2022 | £450,000 | |
| Semi-detached (freehold) | Mar 2009 | £210,000 | |
| 39 Coldharbour Lane, Harpenden | Terraced (freehold) | Jun 2024 | £440,000 | 
| Terraced (freehold) | Mar 2019 | £320,000 | |
| 77 Coldharbour Lane, Harpenden | Semi-detached (freehold) | Jun 2023 | £442,500 | 
| Semi-detached (freehold) | Mar 2001 | £169,000 | |
| Semi-detached (freehold) | Mar 1998 | £98,500 | |
| 57 Coldharbour Lane, Harpenden | Semi-detached (freehold) | Mar 2023 | £475,000 | 
| Semi-detached (freehold) | Sep 2015 | £385,000 | |
| Semi-detached (freehold) | Nov 2010 | £245,000 | |
| Terraced (freehold) | Jan 2002 | £182,000 | |
| 49 Coldharbour Lane, Harpenden | Detached (freehold) | Feb 2021 | £680,000 | 
| Detached (freehold) | May 1999 | £165,000 | |
| 53 Coldharbour Lane, Harpenden | Semi-detached (freehold) | Oct 2019 | £487,000 | 
| Semi-detached (freehold) | May 2012 | £330,000 | |
| Semi-detached (freehold) | Jun 2011 | £305,000 | |
| Semi-detached (freehold) | Sep 1997 | £129,950 | |
| 75 Coldharbour Lane, Harpenden | Terraced (freehold) | Oct 2019 | £369,000 | 
| Terraced (freehold) | Aug 2007 | £235,000 | |
| Terraced (freehold) | Aug 2004 | £190,000 | |
| Terraced (freehold) | Aug 2001 | £144,950 | |
| Terraced (freehold) | Aug 1999 | £116,950 | |
| Terraced (freehold) | Nov 1997 | £97,000 |