CM23 4BS postcode in East Hertfordshire, Hertfordshire

CM23 4BS is a postcode in East Hertfordshire, in the Bishop's Stortford Thorley Manor ward. It is in the Hertford and Stortford parliamentary constituency and the Hertfordshire police force area, and has been in use since January 1980.

Where CM23 4BS is, and what is near it

Map of CM23 4BS and what is near it Map of CM23 4BS: its centre point, with the 230 other postcodes in the CM23 4 sector, 4 schools (3 beyond the edge, shown by arrows), 2 railway stations (2 beyond the edge, shown by arrows) and 3 GP practices (3 beyond the edge, shown by arrows). North is up; the scale bar is 250 m. CM23 4AG: also in CM23 4CM23 4BN: also in CM23 4CM23 4BP: also in CM23 4CM23 4BW: also in CM23 4CM23 4DQ: also in CM23 4CM23 4EQ: also in CM23 4CM23 4FE: also in CM23 4CM23 4FF: also in CM23 4CM23 4FG: also in CM23 4CM23 4FH: also in CM23 4CM23 4FJ: also in CM23 4CM23 4FL: also in CM23 4CM23 4FN: also in CM23 4CM23 4FP: also in CM23 4CM23 4FQ: also in CM23 4CM23 4FR: also in CM23 4CM23 4FS: also in CM23 4CM23 4FT: also in CM23 4CM23 4FW: also in CM23 4CM23 4FX: also in CM23 4CM23 4FY: also in CM23 4CM23 4FZ: also in CM23 4CM23 4GA: also in CM23 4CM23 4GB: also in CM23 4CM23 4GD: also in CM23 4CM23 4GF: also in CM23 4CM23 4GH: also in CM23 4CM23 4GJ: also in CM23 4CM23 4GL: also in CM23 4CM23 4GP: also in CM23 4CM23 4GU: also in CM23 4CM23 4HL: also in CM23 4CM23 4HR: also in CM23 4CM23 4HW: also in CM23 4CM23 4JX: also in CM23 4CM23 4JZ: also in CM23 4CM23 4LE: also in CM23 4CM23 4LF: also in CM23 4CM23 4LT: also in CM23 4CM23 4LU: also in CM23 4CM23 4NB: also in CM23 4CM23 4NE: also in CM23 4CM23 4NG: also in CM23 4CM23 4NX: also in CM23 4CM23 4PA: also in CM23 4CM23 4PU: also in CM23 4CM23 4PX: also in CM23 4CM23 4PY: also in CM23 4CM23 4PZ: also in CM23 4CM23 4QQ: also in CM23 4CM23 4RL: also in CM23 4 School 1.3 kmSchool 2.0 km2 places, 2.4–2.7 kmHelix Medical Centre 3.3 kmSawbridgeworth station 5.7 kmBishop's Stortford Thorley Manor CM23 4BS Map of CM23 4BS and what is near it Map of CM23 4BS: its centre point, with the 230 other postcodes in the CM23 4 sector, 4 schools (3 beyond the edge, shown by arrows), 2 railway stations (2 beyond the edge, shown by arrows) and 3 GP practices (3 beyond the edge, shown by arrows). North is up; the scale bar is 500 m. School 1.3 kmGP 2.4 km3 places, 2.4–3.3 kmBishop's Stortford Thorley Manor CM23 4BS
  • CM23 4BS
  • Other postcodes in CM23 4: press one for its page
  • 4 schools
  • 2 railway stations
  • 3 GP practices
  • Further out, with the distance

Points are centre points, not buildings, and nothing drawn is a boundary. Names in italics are council wards: we hold no town or village names here. Open this area on OpenStreetMap (latitude 51.8611, longitude 0.1268)

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026; schools: Department for Education; stations and bus stops: Department for Transport; GP practices: NHS England; street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

Who looks after CM23 4BS?

ONS places a whole postcode in one council, one ward and one constituency, from a single point. A few postcodes cross a boundary, so an address at the edge can belong to the one next door. Your council tax bill or your poll card settles it for your address.

Council, police force area and constituency: ONS Postcode Directory, August 2026. What each council does: GOV.UK. The MP: UK Parliament, read 14 October 2026.

What broadband can you get at CM23 4BS?

Every home and business at CM23 4BS can get superfast broadband (30 Mbit/s or more) from a line, and 50% can get gigabit, Ofcom says.

Gigabit (1,000 Mbit/s)50% can get it

East Hertfordshire: 84%

Superfast (30 Mbit/s or more)100% can get it

East Hertfordshire: 98%

The line marks the figure across East Hertfordshire.

Check one address, and mobile coverage, on Ofcom's checker Compare broadband at another postcode

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it

When are the bins collected at CM23 4BS?

East Hertfordshire District Council's collection system is not answering BinDayBuddy just now. BinDayBuddy links to the council's own checker meanwhile.

Check the bin days for CM23 4BS on BinDayBuddy

Source: BinDayBuddy, built from councils' own collection systems and public data. BinDayBuddy is run by Towpath Digital, which also runs this site. How we use it

Is CM23 4BS at risk of flooding?

From rivers and the sea, long term

The Environment Agency's list of postcodes with a home or business in an area at risk of flooding from rivers or the sea does not include CM23 4BS.

Rivers and the sea only, for the land around buildings, not each building. GOV.UK's checker answers for one address, surface water included.

Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0.

From surface water, across East Hertfordshire

The Environment Agency publishes this for the whole council, not for CM23 4BS: 3,439 properties in East Hertfordshire are at high risk (4.3% of all its properties). All the figures for East Hertfordshire

Source: Environment Agency, Risk of Flooding from Surface Water, properties at risk by local authority, version 2025-09, listed 18 September 2026, Open Government Licence v3.0.

Flood warnings

The centre of CM23 4BS is not in any of the Environment Agency's flood warning or alert areas. Part of the postcode may still be, so check your own address when you sign up.

Sign up for flood warnings, free, on GOV.UK Check flood risk at another postcode

Source: Environment Agency, flood warning areas read 17 October 2026. Open Government Licence v3.0. How we use these

What do homes sell for near CM23 4BS?

Homes in CM23 4 sold for a typical £469,000 in the 12 months to August 2026, across 148 sales, down 4.3% on the 12 months before, HM Land Registry's figures show.

£469,000 typical price, the 12 months to August 2026
12 months to August 2025
£489,998
12 months to August 2026
£469,000

▼ down 4.3% on the 12 months before

Detached£612,000 65 sales
Semi-detached£435,000 31 sales
Terraced£350,000 47 sales
Flat or maisonette£250,000 5 sales

Across the whole CM23 district: a typical £425,000 from 538 sales.

How we work this out: house prices by postcode

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Homes sold in CM23 4BS

HM Land Registry records one standard sale of homes in CM23 4BS from January 2024 to August 2026, the latest on 24 March 2025. Each sale below opens Land Registry's own record of it.

Sales at market value to a private buyer; the latest months are not complete. Own or live in a home listed here and would rather it were not? Ask us to take it off.

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

What council tax band are homes near CM23 4BS?

The Valuation Office Agency counts about 570 homes in the neighbourhood around CM23 4BS. The largest share of them, 42%, are in council tax band F. More were built from 1983 to 1999 than in any other period (91%). A home's own band is set for that home: check it on GOV.UK.

Council tax bands, and a year's council tax

Council tax bands of the homes around CM23 4BS

Band D in East Hertfordshire for 2026‑27: £2,455. For the bands the homes here are in, a year's council tax runs from £1,909 (band B) to £4,091 (band G); band F, the most common, is £3,546.

BandHomes around hereA year
Band Afewer than 5£1,637
Band Babout 40 (7%)£1,909
Band Cabout 20 (4%)£2,182
Band Dabout 30 (5%)£2,455
Band Eabout 80 (14%)£3,000
Band Fabout 240 (42%)£3,546
Band Gabout 160 (28%)£4,091
Band Hwithheld£4,910

When the homes were built

  1. Withheld Before 1900
  2. None 1900 to 1918
  3. None 1919 to 1939
  4. None 1945 to 1964
  5. None 1965 to 1982
  6. 91% 1983 to 1999
  7. 9% 2000 to 2009
  8. None 2010 to 2019
  9. None 2020 or later

1900 to 1918, 1919 to 1939, 1945 to 1964, 1965 to 1982, 2010 to 2019, 2020 or later: none of the homes the VOA counts here.

Averages for East Hertfordshire before discounts, not any one home's bill.

Council tax: Ministry of Housing, Communities and Local Government, Council Tax levels set by local authorities in England 2026 to 2027, Table 10, published 25 March 2026, Open Government Licence v3.0. How we use it

Counts for the neighbourhood the centre of CM23 4BS is in (ONS area E01023461), rounded by the VOA.

Check one home's band on GOV.UK

Source: Valuation Office Agency, Council Tax: stock of properties, at 31 March 2026, Open Government Licence v3.0. How we use it

Which schools are near CM23 4BS?

The nearest open schools to CM23 4BS, in a straight line. Distance is not a catchment.

Find and compare schools in England, on GOV.UK More schools near CM23 4BS, and how we find them

Source: Department for Education, Get Information about Schools, read 17 October 2026, Open Government Licence v3.0. Each school opens its own record there. How we use it

Where is the nearest station to CM23 4BS?

The nearest railway station to the centre of CM23 4BS is Bishops Stortford Rail Station, 2.7 km away in a straight line.

  • Bishops Stortford Rail Station Railway station 2.7 kmCycle
  • Sawbridgeworth Rail Station Railway station 5.7 kmDrive

Straight-line distances from the centre point, not routes. Walk: under 1.2 km. Cycle: 1.2 to 5 km. Drive: further.

No bus stop within 400 metres in the Department for Transport's register.

More stations near CM23 4BS, and how we find them

Source: Department for Transport, NaPTAN, read 17 October 2026, Open Government Licence v3.0. How we use it

Which GP surgeries are near CM23 4BS?

The nearest GP practices to the centre of CM23 4BS, in a straight line. Each sets the area it takes patients from. In England, each opens its page at the Care Quality Commission, which inspects and rates it.

Find a GP on the NHS website

Source: NHS England, Organisation Data Service (GP practices), read 17 October 2026; ratings: Care Quality Commission, 1 October 2026, Open Government Licence v3.0. How we use it

Where can I charge an electric car near CM23 4BS?

0 within 1 km 1 within 3 km

The nearest charging points to the centre of CM23 4BS, as OpenStreetMap had them on 20 October 2026:

  • Levi-Scot Charging point · 2 chargers · Type 2 · up to 7 kW 3.0 kmCycle

OpenStreetMap is mapped by volunteers. It does not have every charger, and not every one it has gives its speed or plugs. Check a charger's own app before you set off.

See more chargers on Open Charge Map

Source: © OpenStreetMap contributors, Open Database Licence, map as of 20 October 2026. How we use it

Which dentists are near CM23 4BS?

The nearest to the centre of CM23 4BS, in a straight line. Those in England open their page at the Care Quality Commission, which inspects them. It gives few dentists a rating.

Source: Care Quality Commission (directory of 14 October 2026), Open Government Licence v3.0. This uses Care Quality Commission information. How we use it

Which hospitals are nearest to CM23 4BS?

The nearest NHS and private hospitals and clinics in England, in a straight line, with the Care Quality Commission's latest overall rating. One in Wales or Scotland may be nearer.

Not every hospital has an accident and emergency department. In an emergency, call 999.

Source: Care Quality Commission (directory of 14 October 2026, ratings of 1 October 2026), Open Government Licence v3.0. This uses Care Quality Commission information. How we use it

Which care homes are near CM23 4BS?

The nearest care homes to the centre of CM23 4BS, in a straight line, with the Care Quality Commission's latest overall rating.

Source: Care Quality Commission (directory of 14 October 2026, ratings of 1 October 2026), Open Government Licence v3.0. This uses Care Quality Commission information. How we use it

Which pharmacies are near CM23 4BS?

The nearest NHS pharmacies to the centre of CM23 4BS, in a straight line. Those in England show the opening hours they gave the NHS (list published July 2026) and open their page on the NHS website. A few work online or by post only: check before you go.

Hours can change on bank holidays. For urgent help when a pharmacy is closed, call NHS 111.

Source: NHS Business Services Authority (phone numbers: NHS Organisation Data Service), Open Government Licence v3.0. How we use it

Which vets are near CM23 4BS?

The nearest vets to the centre of CM23 4BS on OpenStreetMap, in a straight line. Each opens its entry on the map, with its opening hours and website where they are mapped.

OpenStreetMap may not have every vet. Out of hours, ring your own vet’s number first: the Royal College of Veterinary Surgeons says vets in practice must arrange round-the-clock emergency first aid and pain relief, themselves or through another service.

Source: © OpenStreetMap contributors, Open Database Licence, map as of 20 October 2026. How we use it

Is CM23 4BS in a conservation area?

The centre of CM23 4BS is in one area with planning rules of its own, as planning.data.gov.uk holds them:

Work on a home here, and on its trees, may need permission that it would not need elsewhere. The council's planning team has the rules for one address. Not every council has sent all its data.

Source: planning.data.gov.uk, asked at the postcode's centre point. Open Government Licence v3.0. How we use it

How much crime is there near CM23 4BS?

Police.uk records 36 crimes and reports of anti-social behaviour within a mile of the centre of CM23 4BS in August 2026, the latest month it has published.

Violence and sexual offences10 reports
Anti-social behaviour8 reports
Other theft6 reports
Public order4 reports
Criminal damage and arson3 reports
Vehicle crime3 reports

Also: shoplifting 2.

Police.uk places each report at a nearby point, so this is an area, not a street.

Your local policing team on Police.uk How we work this out: crime by postcode, with the last 12 months

Source: data.police.uk, from its download of 30 September 2026, Open Government Licence v3.0. How we use it

The official record for CM23 4BS

Ward
Bishop's Stortford Thorley Manor
Parish
Bishop's Stortford
Region
East of England
Country
England
In use since
January 1980

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Where to check what we do not hold

Around CM23 4BS

Nearby postcodes

The nearest postcodes in use, measured in a straight line between centre points.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode. How we use it

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