| Postcode | AL3 8DR | 
|---|---|
| Post Town | St. Albans | 
| Nearest station | Harpenden (6 km) | 
| Bus stops | Village School (SW) The Three Blackbirds PH (W) | 
| Roads in this postcode | |
| Number of UPRNs | 6 View | 
| Known addresses | Brampton, Trowley Bottom, Flamstead First Thatched Cottage, Trowley Bottom, Flamstead Roquetas, Trowley Bottom, Flamstead 1 Wellhouse Cottage, Trowley Bottom, Flamstead 2 Wellhouse Cottage, Trowley Bottom, Flamstead | 
| Main property type | Detached | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.813643 | |
|---|---|---|
| Longitude | -0.440423 | |
| Easting | 507607 | |
| Northing | 213929 | |
| Grid reference | TL076139 | |
| UTM reference | 30U 676431 5743409 | |
| what3words | across.insert.sector | |
| FixPhrase | crisped magical seduce unstopped | |
| Plus code | 9C3XRH75+FR | |
| Altitude | 121 metres (396 feet) | |
| Sunrise (today) | 6:55 | |
| Sunset (today) | 16:37 | |
| Distance away | ||
| Distance to sea | 70.5 KMs (43.8 miles) | 
| Parish | Flamstead | E04004700 | 
|---|---|---|
| Ward | Watling | E05004714 | 
| Local Authority District | Dacorum | E07000096 | 
| County Electoral Division | Bridgewater | E58000610 | 
| 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) | 12 | |
|---|---|---|
| Households (2011) | 5 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Smaller rural: Nearer to a major town or city | |
| Rural/urban (2011) | Rural village | |
| Built up area (2024) | Flamstead | E63011439 | 
| Census output area (2021) | E00119016 | |
| Census output area (2011) | 1B2 | |
| Lower layer super output area (2021) | Dacorum 001A | E01023430 | 
| Lower layer super output area (2011) | Dacorum 001A | E01023430 | 
| Middle layer super output area (2021) | Markyate, Flamstead & Gaddesden | E02004856 | 
| Middle layer super output area (2011) | Markyate, Flamstead & Gaddesden | E02004856 | 
| Travel to work area | Luton | E30000237 | 
| Average property price in St Albans | £541,094 | 
|---|---|
| Annual change | -0.5% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| First Thatched Cottage, Trowley Bottom, Flamstead | Detached (freehold) | Mar 2025 | £725,000 | 
| Detached (freehold) | Jan 2011 | £290,000 | |
| 1 Wellhouse Cottage, Trowley Bottom, Flamstead | Semi-detached (freehold) | Jun 2021 | £1,150,000 | 
| Semi-detached (freehold) | May 2013 | £720,000 | |
| Semi-detached (freehold) | Jan 2000 | £385,000 | |
| Roquetas, Trowley Bottom, Flamstead | Detached (freehold) | Apr 2015 | £685,000 | 
| Brampton, Trowley Bottom, Flamstead | Detached (freehold) | Nov 2013 | £750,000 | 
| 2 Wellhouse Cottage, Trowley Bottom, Flamstead | Semi-detached (freehold) | Jul 2010 | £655,000 | 
| Semi-detached (freehold) | Apr 2000 | £387,500 |