CM3 3LN maps, stats, and open data
CM3 3LN lies on Brook Hill in Little Waltham, Chelmsford. CM3 3LN is located in the Broomfield and The Walthams electoral ward, within the local authority district of Chelmsford and the English Parliamentary constituency of Saffron Walden. The Sub Integrated Care Board (ICB) Location is NHS Mid and South Essex ICB - 06Q and the police force is Essex. This postcode has been in use since January 1980.
CM3 3LN maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
CM3 3LN geodata
| Easting | 570982 |
| Northing | 212871 |
| Latitude | 51.788366 |
| Longitude | 0.477646 |
Where is CM3 3LN?
| Street | Brook Hill |
| Locality | Little Waltham |
| Town/City | Chelmsford |
| Country | England |
| Postcode District | CM3 |
CM3 3LN Elevation
Elevation or altitude of CM3 3LN as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 40m | 131ft |
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 | Broomfield And The Walthams |
|---|---|
| Constituency | Saffron Walden |
Transport
Nearest bus stops to CM3 3LN
| Church Hill (Brook Hill) | Little Waltham | 22m |
| Church Hill (Brook Hill) | Little Waltham | 28m |
| The White Hart (The Street) | Little Waltham | 237m |
| Little Waltham Bridge (The Street) | Little Waltham | 242m |
| Little Waltham Bridge (The Street) | Little Waltham | 250m |
Broadband
Broadband access in CM3 3LN (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 | 17.6% |
| Percentage of properties with Full Fibre Broadband | 17.6% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in CM3 3LN (2019 data)
Download
| Median download speed | 20.2Mbps |
| Average download speed | 29.3Mbps |
| Maximum download speed | 75.52Mbps |
Upload
| Median upload speed | 1.2Mbps |
| Average upload speed | 5.1Mbps |
| Maximum upload speed | 19.53Mbps |
Broadband limitations in CM3 3LN (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% |
CM3 3LN gas and electricity consumption
Estimated total energy consumption in CM3 3LN by fuel type, 2015.
Electricity
| Consumption (kWh) | 164,236 |
|---|---|
| Meter count | 18 |
| Mean (kWh/meter) | 9,124 |
| Median (kWh/meter) | 6,800 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in CM3 3LN, for 2015.
- Meter count: The total number of meters in CM3 3LN.
- 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
52.9% of English postcodes are less deprived than CM3 3LN:Food Standards Agency
Three nearest food hygiene ratings to CM3 3LN (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to CM3 3LN
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Church Avenue | 17:00 | 13:00 | 1,993m |
| Mill Lane | 17:10 | 13:00 | 2,487m |
| Goulton Road | 17:10 | 13:00 | 2,866m |
CM3 3LN ITL and CM3 3LN 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 CM3 3LN:
| ITL 1 Code | Name |
|---|---|
| TLH | East |
| ITL 2 Code | Name |
| TLH3 | Essex |
| ITL 3 Code | Name |
| TLH36 | Heart of Essex |
| LAU 1 Code | Name |
| E07000070 | Chelmsford |
CM3 3LN 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 CM3 3LN:
| Code | Name | |
|---|---|---|
| OA | E00109441 | |
| LSOA | E01021541 | Chelmsford 001D |
| MSOA | E02004485 | Chelmsford 001 |
Nearest postcodes to CM3 3LN
| CM3 3LR | Church Hill | 75m |
| CM3 3LP | Sorrell Close | 76m |
| CM3 3LL | Brook Hill | 88m |
| CM3 3LW | Chapel Drive | 111m |
| CM3 3SA | Hazeldon Close | 113m |
| CM3 3LT | Rectory Close | 127m |
| CM3 3NU | Winckford Close | 177m |
| CM3 3NX | Brook Hill | 189m |
| CM3 3NT | The Street | 202m |
| CM3 3LS | Church Hill | 221m |
- 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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