CM21 9AR East Hertfordshire
Live postcode, introduced January 1980. Ward: Sawbridgeworth. Region: East of England.
Streets
- Bell Street, Sawbridgeworth: 49 addresses
- Forelands Place, Sawbridgeworth: 1 address
Council tax
What each band costs in East Hertfordshire in 2026-27: Band D £2,455 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,637 | £1,909 | £2,182 | £2,455 | £3,000 | £3,546 | £4,091 | £4,910 |
Homes by band in the neighbourhood around this postcode: most are in band C (24% of about 890 homes).
Planning and heritage
- Conservation area: yes, Sawbridgeworth (council page). Extensions, demolition, some windows and doors, and work on trees need consent.
- Listed buildings within 100 m of this postcode: 23.
- 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.
Listed buildings
- THE RED HOUSE, grade II*
- 13 AND 15, BELL STREET, grade II
- 17, BELL STREET, grade II
- 18, BELL STREET, grade II
- 20 AND 22, BELL STREET, grade II
- 21 AND 23, BELL STREET, grade II
- 24, BELL STREET, grade II
- 25, BELL STREET, grade II
- 26, BELL STREET, grade II
- 27, BELL STREET, grade II
- 28 AND 30, BELL STREET, grade II
- 29, BELL STREET, grade II
- 31 AND 33, BELL STREET, grade II
- 36, BELL STREET, grade II
- 40, 42 AND 44, BELL STREET, grade II
- 46, BELL STREET, grade II
- BARN 12 YARDS SOUTH WEST OF NUMBER 2, grade II
- SAYESBURY MANOR COUNCIL OFFICES, grade II
- SUMMER HOUSE AT REAR OF GARDEN OF NUMBER 9, grade II
- THE CHANTRY, grade II
- The Elms Health Centre, grade II
- THE OLD BELL PUBLIC HOUSE, grade II
- THE PHARMACY, grade II
Brownfield land registered for housing within 1.0 km
- Suite 2, Plymouth House, The Square, Sawbridgeworth, CM21 9AE, permissioned (100 m)
Flood risk
Rivers, the sea or surface water: in this postcode, 0 addresses are in areas at high risk, 0 at medium risk and 1 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 50 addresses are between 66 m and 68 m above sea level (68 m on average).
Broadband
Superfast 100%, ultrafast 90%, gigabit 90% of premises; 0% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Sawbridgeworth 471,000 journeys in 2024–25 | 780 m |
| Harlow Mill 279,000 journeys in 2024–25 | 2.8 km | |
| Harlow Town 1.8 million journeys in 2024–25 | 5.1 km | |
| Bus stops | 5 stops within 400 m, 11 within 800 m; nearest White Lion PH Sawbridgeworth | 140 m |
| Bus or coach station | Temp Bus Station Harlow Town Centre | 5.9 km |
| Car parks | 2 within 800 m; nearest Bell Street Car Park | 90 m |
| EV charging points | bp pulse Charging Station | 3.3 km |
| Airport with scheduled flights | London Stansted Airport STN | 10.0 km |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 2 practices within 1.6 km; nearest Central Surgery | 110 m |
| Pharmacies | 2 pharmacies within 1.6 km; nearest Village Pharmacy | 0 m |
| NHS dentists | 2 practices within 1.6 km; nearest Dentistry 19 LTD | 0 m |
| Hospital | Capio Rivers Hospital | 1.4 km |
| Police station | Sawbridge Police Station | 410 m |
| Cash machines | The Cooperative Food Hatfield Heath, Hatfield Heath Cashzone | 4.1 km |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 3 within 800 m; nearest Fair Green 1,040 m² | 200 m |
| Largest park within 800 m | Pishiobury Park 36 ha | 660 m |
| Play area | 7 within 800 m; nearest Vantorts Play Area 490 m² | 250 m |
| Playing field | 3 within 800 m; nearest Town Fields 1.3 ha | 120 m |
| Allotments | 4 within 800 m; nearest Vantorts Allotments 1,810 m² | 350 m |
Within 800 m: 3 parks and gardens, 36 hectares in all.
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 8.6 | 40 | 10 |
| Fine particles (PM2.5) | 7.2 | 20 | 5 |
| Particles (PM10) | 11.7 | 40 | 15 |
All three are within the UK legal limits; PM2.5 is above the WHO guideline, as in most towns and cities.
Road and rail noise
Noise figures are still being loaded.
People and work
Who lives here
| Around this postcode | England | |
|---|---|---|
| Median age | 42 | 40 |
| Children under 15 | 15% | 17% |
| Aged 65 and over | 23% | 18% |
Homes
| Around this postcode | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 54% | 61% |
| Owned outright | 36% | 33% |
| Shared ownership | 0% | 1% |
| Social rented | 2% | 17% |
| Private rented | 43% | 21% |
Work and commuting
| Around this postcode | England | |
|---|---|---|
| Adults (16 and over) in work | 65% | 57% |
| Unemployment (of those working or looking for work) | under 1% | 6% |
| Retired (of adults) | 27% | 22% |
| Long-term sick or disabled (of adults) | 0% | 4% |
| Work mainly from home (of those in work) | 44% | 32% |
| Travel to work by car or van | 41% | 48% |
| By train, Underground, metro or tram | 5% | 4% |
| By any public transport, including bus | 5% | 8% |
| On foot or by bicycle | 8% | 10% |
| Work within 10 km of home (of those who travel to work) | 49% | 65% |
| Work 30 km or more away | 23% | 8% |
Education and languages
| Around this postcode | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 39% | 34% |
| No qualifications | 15% | 18% |
| Apprenticeship as highest qualification | 4% | 5% |
| Main language English (aged 3 and over) | 95% | 91% |
| Cannot speak English well or at all | under 1% | 2% |
Deprivation
The neighbourhood around this postcode is in decile 10 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 Bell Street.