CM23 4BD postcode in East Hertfordshire, Hertfordshire

CM23 4BD is a postcode in East Hertfordshire, in the Sawbridgeworth ward. It is in the Hertford and Stortford parliamentary constituency and the Hertfordshire police force area, and has been in use since January 1980.

Flooding Not on the at-risk list The Environment Agency lists no home or business here in an area at risk from rivers or the sea Gigabit broadband 0% of homes and businesses can get it. East Hertfordshire: 84% Typical price £469,000 Homes sold in CM23 4, last 12 months. ▼ 4.3% on the year before Nearest station Sawbridgeworth 1.8 km in a straight line

Where CM23 4BD is, and what is near it

Map of CM23 4BD and what is near it Map of CM23 4BD: its centre point, with the 230 other postcodes in the CM23 4 sector, 4 schools, 2 railway stations (1 beyond the edge, shown by arrows), 3 GP practices (2 beyond the edge, shown by arrows) and 1 bus stop. North is up; the scale bar is 1 km. CM23 4AP: also in CM23 4CM23 4AR: also in CM23 4CM23 4AS: also in CM23 4CM23 4AT: also in CM23 4CM23 4AU: also in CM23 4CM23 4AW: also in CM23 4CM23 4AX: also in CM23 4CM23 4AY: also in CM23 4CM23 4BA: also in CM23 4CM23 4BB: also in CM23 4CM23 4BE: also in CM23 4CM23 4BG: also in CM23 4CM23 4BJ: also in CM23 4CM23 4BU: also in CM23 4CM23 4RB: also in CM23 4CM23 4RE: also in CM23 4CM23 4RR: also in CM23 4CM23 4RW: also in CM23 4CM23 4RX: also in CM23 4CM23 4RY: also in CM23 4CM23 4RZ: also in CM23 4CM23 4SA: also in CM23 4CM23 4SB: also in CM23 4CM23 4SD: also in CM23 4CM23 4SE: also in CM23 4CM23 4SF: also in CM23 4CM23 4SG: also in CM23 4CM23 4SH: also in CM23 4CM23 4ST: also in CM23 4CM23 4SU: also in CM23 4CM23 4SW: also in CM23 4CM23 4SX: also in CM23 4CM23 4SY: also in CM23 4CM23 4SZ: also in CM23 4CM23 4TB: also in CM23 4CM23 4TD: also in CM23 4CM23 4TE: also in CM23 4CM23 4TF: also in CM23 4CM23 4TG: also in CM23 4CM23 4TH: also in CM23 4CM23 4TJ: also in CM23 4CM23 4TL: also in CM23 4CM23 4TN: also in CM23 4CM23 4TP: also in CM23 4CM23 4TQ: also in CM23 4CM23 4TR: also in CM23 4 GP 3.3 kmThe Eden Surgeries 3.5 kmBishops Stortford station 4.1 kmBishop's Stortford Thorley Manor CM23 4BD Map of CM23 4BD and what is near it Map of CM23 4BD: its centre point, with the 230 other postcodes in the CM23 4 sector, 4 schools (1 beyond the edge, shown by arrows), 2 railway stations (1 beyond the edge, shown by arrows), 3 GP practices (2 beyond the edge, shown by arrows) and 1 bus stop. North is up; the scale bar is 500 m. School 2.2 kmThe Eden Surgeries 3.5 kmBishop's Stortford Thorley Manor CM23 4BD
  • CM23 4BD
  • Other postcodes in CM23 4: press one for its page
  • 4 schools
  • 2 railway stations
  • 3 GP practices
  • 1 bus stop
  • 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 51.8303, longitude 0.1613)

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 4BD?

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 4BD?

None of the homes and businesses at CM23 4BD can get superfast broadband (30 Mbit/s or more) from a line, Ofcom says.

Gigabit (1,000 Mbit/s)0% can get it

East Hertfordshire: 84%

Superfast (30 Mbit/s or more)0% 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 4BD?

BinDayBuddy has not read East Hertfordshire District Council's days for CM23 4BD today. It reads them from the council's own system when you ask.

Check the bin days for CM23 4BD 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 4BD 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 4BD.

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 4BD: 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 4BD 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 4BD?

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
£489,998 12 months to August 2025
▼ 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

Each bar is that kind's typical price, against the most expensive kind here.

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 4BD

HM Land Registry records one standard sale of homes in CM23 4BD from January 2024 to August 2026, the latest on 27 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

Food hygiene ratings at CM23 4BD

The Food Standards Agency lists one food business at CM23 4BD. Each opens the agency's own page for it, with what the council's inspector found.

Ratings run from 5, very good, to 0, urgent improvement necessary. A rating comes from the business's last inspection, and can change at the next.

Food hygiene ratings, from the Food Standards Agency

Source: Food Standards Agency, food hygiene ratings as published on 22 October 2026. Open Government Licence v3.0. How we use it

What council tax band are homes near CM23 4BD?

The Valuation Office Agency counts about 1,040 homes in the neighbourhood around CM23 4BD. The largest share of them, 41%, are in council tax band C. More were built from 1945 to 1964 than in any other period (26%). 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 4BD

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 £1,637 (band A) to £4,091 (band G); band C, the most common, is £2,182.

BandHomes around hereA year
Band Aabout 50 (5%)£1,637
Band Babout 90 (9%)£1,909
Band Cabout 430 (41%)£2,182
Band Dabout 160 (15%)£2,455
Band Eabout 180 (17%)£3,000
Band Fabout 70 (7%)£3,546
Band Gabout 60 (6%)£4,091
Band Hwithheld£4,910

When the homes were built

  1. 5% Before 1900
  2. 2% 1900 to 1918
  3. 12% 1919 to 1939
  4. 26% 1945 to 1964
  5. 21% 1965 to 1982
  6. 6% 1983 to 1999
  7. 3% 2000 to 2009
  8. 14% 2010 to 2019
  9. 12% 2020 or later

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 4BD is in (ONS area E01023499), 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 4BD?

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

Primary

Secondary

Find and compare schools in England, on GOV.UK More schools near CM23 4BD, 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 4BD?

The nearest railway station to the centre of CM23 4BD is Sawbridgeworth Rail Station, 1.8 km away in a straight line.

  • Sawbridgeworth Rail Station Railway station 1.8 kmCycle
  • Bishops Stortford Rail Station Railway station 4.1 kmCycle

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

1 bus stop within 400 metres, the nearest Tednambury Farm, 369 m away.

More stations near CM23 4BD, 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 4BD?

The nearest GP practices to the centre of CM23 4BD, 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 4BD?

OpenStreetMap maps no public charging point within 3 km of the centre of CM23 4BD on the map as of 20 October 2026. It does not have every charger: Open Charge Map's own map, linked below, may show more.

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 4BD?

The nearest to the centre of CM23 4BD, 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 4BD?

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 4BD?

The nearest care homes to the centre of CM23 4BD, 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 4BD?

The nearest NHS pharmacies to the centre of CM23 4BD, 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 4BD?

The nearest vets to the centre of CM23 4BD 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 4BD in a conservation area?

The centre of CM23 4BD 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 4BD?

Police.uk records 30 crimes and reports of anti-social behaviour within a mile of the centre of CM23 4BD in August 2026, the latest month it has published.

Violence and sexual offences14 reports
Anti-social behaviour4 reports
Burglary3 reports
Criminal damage and arson2 reports
Other theft2 reports
Public order1 report

Also: vehicle crime 1, drugs 1, possession of weapons 1, other crime 1.

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 4BD

Ward
Sawbridgeworth
Parish
Sawbridgeworth
Region
East of England
Country
England
Rural or urban
Smaller rural, nearer to a major town or city
In use since
January 1980

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

Around CM23 4BD

Go wider

Every postcode in the same sector, district or postcode area.

CM23 4 sector CM23 district CM postcode area

Questions about a postcode

Nearby postcodes

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

CM23 4BB340 mCM23 4RB590 mCM23 4BA620 mCM22 7SE720 mCM22 7SG740 mCM22 7QT790 m
All of CM23

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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