| Postcode | EC4A 3AG | 
|---|---|
| Post Town | London | 
| Nearest station | City Thameslink (0 km) | 
| Bus stops | Holborn Circus (E) Charterhouse Street (E) Snow Hill (N) Snow Hill (S) Fleet Street  City Thameslink (N) Holborn Circus  Fetter Lane (W) | 
| London travel zone | 1 | 
| Roads in this postcode | |
| Number of UPRNs | 9 View | 
| Known addresses | 20 St Andrew Street, London 22 St Andrew Street, London | 
| Main property type | Other | 
| Businesses |  | 
| Latitude | 51.516716 | |
|---|---|---|
| Longitude | -0.106951 | |
| Easting | 531449 | |
| Northing | 181453 | |
| Grid reference | TQ314814 | |
| UTM reference | 30U 700721 5711256 | |
| what3words | cage.clouds.twins | |
| FixPhrase | cringing magnesium sequence unturned | |
| Plus code | 9C3XGV8V+M6 | |
| Altitude | 31 metres (101 feet) | |
| Sunrise (today) | 6:53 | |
| Sunset (today) | 16:37 | |
| Distance away | ||
| Distance to sea | 36.5 KMs (22.7 miles) | 
| Parish | City of London, unparished area | E43000191 | 
|---|---|---|
| Ward | Castle Baynard | E05009297 | 
| London Borough | City of London | E09000001 | 
| County | City of London | E11000005 | 
| Constituency (2024) | Cities of London and Westminster | E14001172 | 
| MP | Rachel Blake | Labour | 
| Police force | City of London | |
| Water company | Thames Water | |
| NUTS/ITL 3 | Westminster and City of London | |
| NUTS/ITL 2 | Inner London - West | |
| NUTS/ITL 1 | London | |
| Country | England | E92000001 | 
| Date introduced | June 2005 | 
|---|---|
| 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 | 
| 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 major conurbation | |
| Built up area (2024) | City and County of the City of London | E63012025 | 
| Census output area (2021) | E00190440 | |
| Census output area (2011) | 2B2 | |
| Lower layer super output area (2021) | City of London 001G | E01032740 | 
| Lower layer super output area (2011) | City of London 001G | E01032740 | 
| Middle layer super output area (2021) | City of London | E02000001 | 
| Middle layer super output area (2011) | City of London | E02000001 | 
| Travel to work area | London | E30000234 | 
| Average property price in Central London | £758,869 | 
|---|---|
| Annual change | -15.1% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 20 St Andrew Street, London | Other (leasehold) | Jun 2023 | £1,140,000 | 
| 22 St Andrew Street, London | Other (freehold) | Mar 2019 | £73,800,000 | 
| Other (freehold) | Mar 2015 | £38,400,000 |