CM1 4SU maps, stats, and open data
CM1 4SU lies on Woodhall Hill in Chignal Smealey, Chelmsford. CM1 4SU is located in the Chelmsford Rural West 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.
CM1 4SU maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
CM1 4SU geodata
| Easting | 568248 |
| Northing | 210842 |
| Latitude | 51.770975 |
| Longitude | 0.437089 |
Where is CM1 4SU?
| Street | Woodhall Hill |
| Locality | Chignal Smealey |
| Town/City | Chelmsford |
| Country | England |
| Postcode District | CM1 |
CM1 4SU Elevation
Elevation or altitude of CM1 4SU as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 50m | 164ft |
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 | Chelmsford Rural West |
|---|---|
| Constituency | Saffron Walden |
Transport
Nearest bus stops to CM1 4SU
| The Pig And Whistle (Chignall Road) | Chignall Smealy | 442m |
| The Pig And Whistle (Chignall Road) | Chignall Smealy | 456m |
| Nurseries (Brickbarns Farm Road) | Chignall St James | 1,344m |
| Nurseries (Brickbarns Farm Road) | Chignall St James | 1,349m |
| Post Office (Chignall Smealy) | Chignall Smealy | 1,669m |
Nearest railway stations to CM1 4SU
| Chelmsford Station | 4.4km |
Broadband
Broadband access in CM1 4SU (2020 data)
| Percentage of properties with Next Generation Access | 75.0% |
| Percentage of properties with Superfast Broadband | 75.0% |
| Percentage of properties with Ultrafast Broadband | 75.0% |
| Percentage of properties with Full Fibre Broadband | 75.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in CM1 4SU (2019 data)
Download
| Median download speed | 4.9Mbps |
| Average download speed | 3.9Mbps |
| Maximum download speed | 5.49Mbps |
Upload
| Median upload speed | 0.7Mbps |
| Average upload speed | 0.7Mbps |
| Maximum upload speed | 1.01Mbps |
Broadband limitations in CM1 4SU (2020 data)
| Percentage of properties unable to receive 2Mbps | 16.7% |
| Percentage of properties unable to receive 5Mbps | 16.7% |
| Percentage of properties unable to receive 10Mbps | 25.0% |
| Percentage of properties unable to receive 30Mbps | 25.0% |
CM1 4SU gas and electricity consumption
Estimated total energy consumption in CM1 4SU by fuel type, 2015.
Electricity
| Consumption (kWh) | 67,861 |
|---|---|
| Meter count | 6 |
| Mean (kWh/meter) | 11,310 |
| Median (kWh/meter) | 8,176 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in CM1 4SU, for 2015.
- Meter count: The total number of meters in CM1 4SU.
- 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
51.8% of English postcodes are less deprived than CM1 4SU:Food Standards Agency
Three nearest food hygiene ratings to CM1 4SU (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to CM1 4SU
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Church Avenue | 17:00 | 13:00 | 2,255m |
| Goulton Road | 17:10 | 13:00 | 2,263m |
| Pines Road | 17:45 | 12:00 | 2,607m |
CM1 4SU ITL and CM1 4SU 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 CM1 4SU:
| 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 |
CM1 4SU 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 CM1 4SU:
| Code | Name | |
|---|---|---|
| OA | E00109473 | |
| LSOA | E01021550 | Chelmsford 003A |
| MSOA | E02004487 | Chelmsford 003 |
Nearest postcodes to CM1 4SU
| CM1 4SY | Chignal Road | 239m |
| CM1 4SZ | Chignal Road | 672m |
| CM3 1FE | Fanners Green | 1132m |
| CM1 4ST | 1276m | |
| CM3 1DZ | 1312m | |
| CM3 1EA | Fanners Green | 1334m |
| CM1 7HH | Hollow Lane | 1420m |
| CM1 4TZ | 1446m | |
| CM1 7HQ | Hollow Lane | 1449m |
| CM1 7HF | School Lane | 1555m |
- 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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