CM1 3AF Chelmsford
Live postcode, introduced January 1980. Ward: Waterhouse Farm. Region: East of England.
Streets
- Robjohns Road, Chelmsford: 23 addresses
- Russell Way, Chelmsford: 3 addresses
- Westway, Chelmsford: 1 address
Council tax
What each band costs in Chelmsford in 2026-27: Band D £2,300 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,533 | £1,789 | £2,045 | £2,300 | £2,811 | £3,322 | £3,834 | £4,600 |
Homes by band in the neighbourhood around this postcode: most are in band C (42% of about 590 homes).
Planning and heritage
- Conservation area: no postcode centre in this postcode is in one.
- Listed buildings within 100 m of this postcode: none.
- Article 4 direction (removing permitted development rights): none recorded, though not every council has published theirs.
- Tree preservation orders: none recorded, though not every council has published theirs.
- Green belt: no.
Brownfield land registered for housing within 1.0 km
- 58 Writtle Road Chelmsford: up to 4 homes, permissioned (310 m)
- 32 Writtle Road Chelmsford, permissioned (380 m)
- Waterhouse Lane Depot and Nursery Chelmsford: up to 20 homes, not permissioned (830 m)
- Waterhouse Lane Depot and Nursery Waterhouse Lane Chelmsford: up to 10 homes, not permissioned (840 m)
- Land Rear of Stuarts Moulsham Street: up to 1 home, permissioned (1.0 km)
- Honey Tree House Moulsham Street Chelmsford, permissioned (1.0 km)
Flood risk
Rivers, the sea or surface water: in this postcode, 0 addresses are in areas at high risk, 0 at medium risk and 2 at low risk. Each address counts once, at the higher of its rivers-and-sea and surface-water risk.
Rivers and the sea alone: no home is in an area at risk.
High: 3.3% (1 in 30) or more chance of flooding a year. Medium: 1% to 3.3%. Low: 0.1% to 1%. Very low: under 0.1%. The rivers and sea figures allow for flood defences. Counts cover whole postcodes, which can include other streets.
Flood zone for planning: no postcode centre is in flood zone 2 or 3.
Height above sea level
The postcode's 27 addresses are between 35 m and 38 m above sea level (37 m on average).
Broadband
Superfast 100%, ultrafast 100%, gigabit 100% of premises; 0% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Chelmsford 7.0 million journeys in 2024–25 | 1.8 km |
| Ingatestone 779,000 journeys in 2024–25 | 7.9 km | |
| Billericay 2.3 million journeys in 2024–25 | 11.0 km | |
| Bus stops | 12 stops within 400 m, 24 within 800 m; nearest Robjohns Road Westlands Estate | 170 m |
| Bus or coach station | Bus Station Chelmsford City Centre | 1.7 km |
| Car parks | 1 within 800 m; nearest Horizon Parking | 30 m |
| EV charging points | 2 within 1.6 km; nearest bp pulse Charging Station | 1.4 km |
| Airport with scheduled flights | London Stansted Airport STN | 23.1 km |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 1 practices within 1.6 km; nearest Whitley House Surgery | 500 m |
| Pharmacies | 4 pharmacies within 1.6 km; nearest Writtle Road Pharmacy | 500 m |
| NHS dentists | 6 practices within 1.6 km; nearest Redmayne House Dental Surgery | 890 m |
| Hospital | Chelmsford & Essex Hospital | 1.7 km |
| Police station | Chelmsford Police Station | 2.1 km |
| Cash machines | Rontec - West Chelmsford Cashzone | 1.0 km |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 3 within 800 m; nearest Unnamed 3,440 m² | 680 m |
| Largest park within 800 m | Hylands Park 207 ha | 750 m |
| Play area | 5 within 800 m; nearest Unnamed 590 m² | 280 m |
| Playing field | 1 within 800 m; nearest Unnamed 1.6 ha | 310 m |
| Allotments | 1 within 800 m; nearest Unnamed 3.2 ha | 590 m |
Within 800 m: 3 parks and gardens, 208 hectares in all.
Landmarks
The nearest historic landmark is Hylands Park, a registered park or garden (Grade II*), 1.8 km south-west. 8 listed buildings are within 1.0 km.
| Name | What it is | From the postcode's centre |
|---|---|---|
| Hylands Park | Registered park or garden, Grade II* | 1.8 km south-west |
| Moulsham Bridge | Scheduled monument | 1.9 km east |
| Name | What it is | From the postcode's centre |
|---|---|---|
| Shakestons Plantation | Wood | 1.0 km west |
| Swanpond Plantation | Wood | 1.2 km south-west |
| Lake Plantation | Wood | 1.2 km south |
| Icehouse Plantation | Wood | 1.5 km south |
| Writtle Wood | Wood | 1.5 km south-west |
| Wear Pond | Lake or reservoir | 1.5 km west |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 10.9 | 40 | 10 |
| Fine particles (PM2.5) | 7.3 | 20 | 5 |
| Particles (PM10) | 12.5 | 40 | 15 |
All three are within the UK legal limits; nitrogen dioxide and PM2.5 are above the WHO guideline, as in most towns and cities.
Road and rail noise
| Level | Road traffic | Railways |
|---|---|---|
| 65 to 69 | 1 | 0 |
| 60 to 64 | 1 | 0 |
| 55 to 59 | 5 | 0 |
| Under 55 | 20 | 27 |
7 of the postcode's 27 addresses are modelled at 55 dB or more from road traffic, above the WHO guidelines.
People and work
Who lives here
| Around this postcode | England | |
|---|---|---|
| Median age | 47 | 40 |
| Children under 15 | 18% | 17% |
| Aged 65 and over | 23% | 18% |
Homes
| Around this postcode | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 94% | 61% |
| Owned outright | 48% | 33% |
| Shared ownership | 2% | 1% |
| Social rented | under 1% | 17% |
| Private rented | 4% | 21% |
Work and commuting
| Around this postcode | England | |
|---|---|---|
| Adults (16 and over) in work | 61% | 57% |
| Unemployment (of those working or looking for work) | under 1% | 6% |
| Retired (of adults) | 31% | 22% |
| Long-term sick or disabled (of adults) | 1% | 4% |
| Work mainly from home (of those in work) | 49% | 32% |
| Travel to work by car or van | 45% | 48% |
| By train, Underground, metro or tram | 0% | 4% |
| By any public transport, including bus | under 1% | 8% |
| On foot or by bicycle | 4% | 10% |
| Work within 10 km of home (of those who travel to work) | 64% | 65% |
| Work 30 km or more away | 6% | 8% |
Education and languages
| Around this postcode | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 43% | 34% |
| No qualifications | 10% | 18% |
| Apprenticeship as highest qualification | 5% | 5% |
| Main language English (aged 3 and over) | 97% | 91% |
| Cannot speak English well or at all | under 1% | 2% |
Deprivation
The neighbourhood around this postcode is in decile 8 of 10 on the English Indices of Deprivation 2025, where 1 is the most deprived tenth of England's 33,755 neighbourhoods and 10 the least.
The full dossier for this postcode's main street is on Robjohns Road.