CM23 3JD East Hertfordshire
Live postcode, introduced January 1980. Ward: Bishop's Stortford Central. Region: East of England.
Streets
- South Road, Bishop's Stortford: 13 addresses
- Havers Lane, Bishop's Stortford: 2 addresses
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 (35% of about 840 homes).
Planning and heritage
- Conservation area: yes, Bishop's Stortford (council page). Extensions, demolition, some windows and doors, and work on trees need consent.
- Listed buildings within 100 m of this postcode: 2.
- 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
- RHODES' BIRTHPLACE MUSEUM, grade II
- SOUTH RANGE OF FORMER MALTHOUSES AT JUNCTION WITH SOUTH STREET (HOPPER ENGINEERING), grade II
Brownfield land registered for housing within 1.0 km
- Millars One, Southmill Road, Bishop's Stortford, CM23 3DH, permissioned (130 m)
- The Goods Yard, Station Road, Bishop's Stortford, CM23 3BL: up to 600 homes, permissioned (230 m)
- The Mill Site, Dane Street, Bishop's Stortford, CM23 3XZ, not permissioned (600 m)
- Bishop's Stortford High School Site, London Road, Bishop's Stortford, CM23 3LU: up to 150 homes, permissioned (790 m)
- Old River Lane, The Causeway, Bishop's Stortford, CM23 2EN, not permissioned (1.0 km)
Flood risk
Rivers, the sea or surface water: in this postcode, 3 addresses are in areas at high risk, 1 at medium risk and 0 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 addresses are about 58 m above sea level.
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 | Bishops Stortford 3.0 million journeys in 2024–25 | 370 m |
| Stansted Mountfitchet 551,000 journeys in 2024–25 | 4.9 km | |
| Sawbridgeworth 471,000 journeys in 2024–25 | 5.5 km | |
| Bus stops | 15 stops within 400 m, 38 within 800 m; nearest South Mill Arts Bishops Stortford | 20 m |
| Bus or coach station | Interchange Bishops Stortford | 270 m |
| Car parks | 5 within 800 m; nearest Bishops Stortford Station Surface Car Park | 230 m |
| EV charging points | Gridserve Charging Station | 2.4 km |
| Airport with scheduled flights | London Stansted Airport STN | 5.5 km |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 3 practices within 1.6 km; nearest South Street Surgery | 390 m |
| Pharmacies | 4 pharmacies within 1.6 km; nearest Trinity Pharmacy | 410 m |
| NHS dentists | 6 practices within 1.6 km; nearest South Street (Dental Surgery) | 410 m |
| Hospital | Herts And Essex Hospital | 800 m |
| Police station | Rye Police Station | 620 m |
| Cash machines | Cashpoint® 20 North Street Lloyds Bank | 1.0 km |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 2 within 800 m; nearest Unnamed 6.8 ha | 460 m |
| Largest park within 800 m | Castle Gardens 16 ha | 740 m |
| Play area | 6 within 800 m; nearest Unnamed 60 m² | 220 m |
| Playing field | 1 within 800 m; nearest Unnamed 2,830 m² | 680 m |
| Allotments | 3 within 800 m; nearest Unnamed 1,290 m² | 230 m |
Within 800 m: 2 parks and gardens, 23 hectares in all.
Landmarks
The nearest historic landmark is Black Lion Inn, a listed building (Grade II*), 900 m north. 60 listed buildings are within 1.0 km, 2 of them Grade I and 4 of them Grade II*.
| Name | What it is | From the postcode's centre |
|---|---|---|
| Black Lion Inn | Listed building, Grade II* | 900 m north |
| Church of St Michael | Listed building, Grade I | 910 m north-west |
| Remains of Waytemore Castle | Listed building, Grade I | 920 m north |
| Waytemore Castle: a motte and bailey castle immediately south of the River Stort | Scheduled monument | 940 m north |
| Tissimans | Listed building, Grade II* | 950 m north-west |
| Name | What it is | From the postcode's centre |
|---|---|---|
| Hockerill Cut | Lake or reservoir | 540 m north |
| The Firs | Wood | 740 m west |
| Broom's Plantation | Wood | 1.4 km south-east |
| Dane O'coys Farm | Wood | 1.9 km north-west |
| Ash Grove | Wood | 1.9 km north-west |
| Start Hill | Hill | 3.1 km east |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 8.8 | 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, rail and aircraft noise
| Level | Road traffic | Railways | Aircraft |
|---|---|---|---|
| 65 to 69 | 2 | 0 | 0 |
| 60 to 64 | 13 | 0 | 0 |
| Under 55 | 0 | 15 | 15 |
15 of the postcode's 15 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 | 35 | 40 |
| Children under 15 | 18% | 17% |
| Aged 65 and over | 9% | 18% |
Homes
| Around this postcode | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 55% | 61% |
| Owned outright | 16% | 33% |
| Shared ownership | 5% | 1% |
| Social rented | 9% | 17% |
| Private rented | 31% | 21% |
Work and commuting
| Around this postcode | England | |
|---|---|---|
| Adults (16 and over) in work | 77% | 57% |
| Unemployment (of those working or looking for work) | 4% | 6% |
| Retired (of adults) | 11% | 22% |
| Long-term sick or disabled (of adults) | 0% | 4% |
| Work mainly from home (of those in work) | 41% | 32% |
| Travel to work by car or van | 32% | 48% |
| By train, Underground, metro or tram | 9% | 4% |
| By any public transport, including bus | 13% | 8% |
| On foot or by bicycle | 13% | 10% |
| Work within 10 km of home (of those who travel to work) | 65% | 65% |
| Work 30 km or more away | 19% | 8% |
Education and languages
| Around this postcode | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 47% | 34% |
| No qualifications | 15% | 18% |
| Apprenticeship as highest qualification | 3% | 5% |
| Main language English (aged 3 and over) | 84% | 91% |
| Cannot speak English well or at all | 2% | 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 South Road.