AL4 9TN maps, stats, and open data
AL4 9TN lies on Mayfair Close in St. Albans. AL4 9TN is located in the Marshalswick East & Jersey Farm electoral ward, within the local authority district of St Albans and the English Parliamentary constituency of Hitchin and Harpenden. The Sub Integrated Care Board (ICB) Location is NHS Hertfordshire and West Essex ICB - 06N and the police force is Hertfordshire. This postcode has been in use since July 1983.
AL4 9TN maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
AL4 9TN geodata
| Easting | 517432 |
| Northing | 209566 |
| Latitude | 51.772458 |
| Longitude | -0.299433 |
Where is AL4 9TN?
| Street | Mayfair Close |
| Town/City | St. Albans |
| Country | England |
| Postcode District | AL4 |
AL4 9TN Elevation
Elevation or altitude of AL4 9TN as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 90m | 295ft |
Elevation is measured from the approximate centre of the postcode, to the nearest point on an OS contour line from OS Terrain 50, which has contour spacing of ten vertical metres.
➜ How high above sea level am I? Find the elevation of your current position using your device's GPS.
Politics
| Ward | Marshalswick East & Jersey Farm |
|---|---|
| Constituency | Hitchin And Harpenden |
House Prices
Sales of detached houses in AL4 9TN
2, MAYFAIR CLOSE, ST ALBANS, AL4 9TN 2023 3 JUL £800,000 |
16, MAYFAIR CLOSE, ST ALBANS, AL4 9TN 2023 10 MAY £845,000 |
2020 7 OCT £760,000 |
9, MAYFAIR CLOSE, ST ALBANS, AL4 9TN 2020 3 AUG £710,000 |
2019 26 JUL £650,000 |
17, MAYFAIR CLOSE, ST ALBANS, AL4 9TN 2017 21 JUL £735,000 |
2016 12 JUL £770,000 |
5, MAYFAIR CLOSE, ST ALBANS, AL4 9TN 2015 28 OCT £600,000 |
2013 11 NOV £465,000 |
10, MAYFAIR CLOSE, ST. ALBANS, AL4 9TN 2008 9 MAY £549,950 |
Licence: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Transport
Nearest bus stops to AL4 9TN
| Portman Close (Sandringham Crescent) | Jersey Farm | 78m |
| Portman Close (Sandringham Crescent) | Jersey Farm | 84m |
| Wilstone Drive (Sandringham Crescent) | Jersey Farm | 120m |
| Wilstone Drive (Sandringham Crescent) | Jersey Farm | 149m |
| Blackberry Jack Ph (Sandringham Crescent) | Jersey Farm | 281m |
Nearest railway stations to AL4 9TN
| St Albans City Station | 3.1km |
| St Albans Abbey Station | 4.3km |
| Harpenden Station | 5.9km |
Broadband
Broadband access in AL4 9TN (2020 data)
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 100.0% |
| Percentage of properties with Ultrafast Broadband | 100.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in AL4 9TN (2019 data)
Download
| Median download speed | 80.0Mbps |
| Average download speed | 107.5Mbps |
| Maximum download speed | 200.00Mbps |
Upload
| Median upload speed | 20.0Mbps |
| Average upload speed | 20.9Mbps |
| Maximum upload speed | 30.03Mbps |
Broadband limitations in AL4 9TN (2020 data)
| Percentage of properties unable to receive 2Mbps | 0.0% |
| Percentage of properties unable to receive 5Mbps | 0.0% |
| Percentage of properties unable to receive 10Mbps | 0.0% |
| Percentage of properties unable to receive 30Mbps | 0.0% |
AL4 9TN gas and electricity consumption
Estimated total energy consumption in AL4 9TN by fuel type, 2015.
Gas
| Consumption (kWh) | 309,173 |
|---|---|
| Meter count | 18 |
| Mean (kWh/meter) | 17,176 |
| Median (kWh/meter) | 15,550 |
Electricity
| Consumption (kWh) | 59,834 |
|---|---|
| Meter count | 16 |
| Mean (kWh/meter) | 3,740 |
| Median (kWh/meter) | 3,466 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in AL4 9TN, for 2015.
- Meter count: The total number of meters in AL4 9TN.
- Mean: The mean average consumption per meter, in kWh.
- Median: The median average consumption per meter, in kWh.
Source: Postcode level electricity estimates: 2015 (experimental)
Licence: Open Government Licence
Deprivation
0.7% of English postcodes are less deprived than AL4 9TN:Food Standards Agency
Three nearest food hygiene ratings to AL4 9TN (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to AL4 9TN
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| St Brelades | 18:00 | 11:45 | 307m |
| House Lane | 17:45 | 11:30 | 701m |
| The Ridgeway | 18:00 | 12:00 | 763m |
AL4 9TN ITL and AL4 9TN LAU
The below table lists the International Territorial Level (ITL) codes (formerly Nomenclature of Territorial Units for Statistics (NUTS) codes) and Local Administrative Units (LAU) codes for AL4 9TN:
| ITL 1 Code | Name |
|---|---|
| TLH | East |
| ITL 2 Code | Name |
| TLH2 | Bedfordshire and Hertfordshire |
| ITL 3 Code | Name |
| TLH23 | Hertfordshire CC |
| LAU 1 Code | Name |
| E07000240 | St Albans |
AL4 9TN census areas
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for AL4 9TN:
| Code | Name | |
|---|---|---|
| OA | E00120528 | |
| LSOA | E01023734 | St Albans 007B |
| MSOA | E02004930 | St Albans 007 |
Nearest postcodes to AL4 9TN
| AL4 9TW | Portman Close | 70m |
| AL4 9TT | Wilstone Drive | 105m |
| AL4 9YQ | Lincolns Close | 106m |
| AL4 9TS | Berkley Close | 113m |
| AL4 9YH | Langham Close | 119m |
| AL4 9YF | Chancery Close | 145m |
| AL4 9TR | Regent Close | 154m |
| AL4 9JS | Pitstone Close | 158m |
| AL4 9YG | Holborn Close | 159m |
| AL4 9TB | Chiltern Road | 165m |
- Contains OS data © Crown copyright and database right (2026)
- Contains Royal Mail data © Royal Mail copyright and Database right (2026)
- Contains National Statistics data © Crown copyright and database right (2026)
- Data produced by Land Registry © Crown copyright (2026)
- Contains Environment Agency data licensed under the Open Government Licence v3.0
- Everything else © GetTheData Publishing Limited (2026)
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