CM23 0AJ postcode in East Hertfordshire, Hertfordshire

CM23 0AJ is a postcode in East Hertfordshire, in the Bishop's Stortford North ward. It is in the Hertford and Stortford parliamentary constituency and the Hertfordshire police force area, and has been in use since February 2025.

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 80% of homes and businesses can get it. East Hertfordshire: 84% Typical price £410,498 Homes sold in CM23 0, last 12 months. ▼ 20.3% on the year before Nearest station Bishops Stortford 2.1 km in a straight line

Where CM23 0AJ is, and what is near it

Map of CM23 0AJ and what is near it Map of CM23 0AJ: its centre point, with the 44 other postcodes in the CM23 0 sector, 4 schools, 2 railway stations (1 beyond the edge, shown by arrows), 3 GP practices (1 beyond the edge, shown by arrows), 5 bus stops and 1 EV charging point. North is up; the scale bar is 500 m. CM23 0AA: also in CM23 0CM23 0AB: also in CM23 0CM23 0AD: also in CM23 0CM23 0AE: also in CM23 0CM23 0AF: also in CM23 0CM23 0AH: also in CM23 0CM23 0AL: also in CM23 0CM23 0AN: also in CM23 0CM23 0AP: also in CM23 0CM23 0AQ: also in CM23 0CM23 0AR: also in CM23 0CM23 0AS: also in CM23 0CM23 0AT: also in CM23 0CM23 0AU: also in CM23 0CM23 0AW: also in CM23 0CM23 0AX: also in CM23 0CM23 0AZ: also in CM23 0CM23 0BA: also in CM23 0CM23 0BB: also in CM23 0CM23 0BD: also in CM23 0CM23 0BE: also in CM23 0CM23 0BF: also in CM23 0CM23 0BG: also in CM23 0CM23 0BH: also in CM23 0CM23 0BJ: also in CM23 0CM23 0BL: also in CM23 0CM23 0BN: also in CM23 0CM23 0BP: also in CM23 0CM23 0BQ: also in CM23 0CM23 0BR: also in CM23 0CM23 0BS: also in CM23 0CM23 0BT: also in CM23 0CM23 0BU: also in CM23 0CM23 0BW: also in CM23 0CM23 0BZ: also in CM23 0CM23 0DA: also in CM23 0CM23 0DG: also in CM23 0CM23 0DH: also in CM23 0CM23 0DJ: also in CM23 0CM23 0DL: also in CM23 0CM23 0DN: also in CM23 0CM23 0DP: also in CM23 0CM23 0DQ: also in CM23 0 Helix Medical Centre 2.5 kmStansted Mountfitchet station 3.9 kmBishop's Stortford North CM23 0AJ Map of CM23 0AJ and what is near it Map of CM23 0AJ: its centre point, with the 44 other postcodes in the CM23 0 sector, 4 schools, 2 railway stations (2 beyond the edge, shown by arrows), 3 GP practices (2 beyond the edge, shown by arrows), 5 bus stops and 1 EV charging point. North is up; the scale bar is 500 m. Bishop's Stortford North CM23 0AJ
  • CM23 0AJ
  • Other postcodes in CM23 0: press one for its page
  • 4 schools
  • 2 railway stations
  • 3 GP practices
  • 5 bus stops
  • 1 EV charging point
  • 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 51.8833, longitude 0.1516)

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; charging points: © OpenStreetMap contributors, Open Database Licence; street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

Who looks after CM23 0AJ?

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 0AJ?

80% of the homes and businesses at CM23 0AJ can get superfast broadband (30 Mbit/s or more) from a line, and 80% gigabit, Ofcom says.

Gigabit (1,000 Mbit/s)80% can get it

East Hertfordshire: 84%

Superfast (30 Mbit/s or more)80% 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 0AJ?

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 0AJ 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 0AJ 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 0AJ.

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 0AJ: 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 0AJ 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 0AJ?

Homes in CM23 0 sold for a typical £410,498 in the 12 months to August 2026, across 8 sales, down 20.3% on the 12 months before, HM Land Registry's figures show.

£410,498 typical price, the 12 months to August 2026
£515,000 12 months to August 2025
▼ down 20.3% on the 12 months before
  • Detached 4 sales, too few to price
  • Semi-detached 1 sale, too few to price
  • Flat or maisonette 3 sales, too few to price

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 0AJ

HM Land Registry records no standard sales of homes in CM23 0AJ from January 2024 to August 2026. The prices above are for the homes around 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 0AJ?

The Valuation Office Agency counts about 1,400 homes in the neighbourhood around CM23 0AJ. The largest share of them, 24%, are in council tax band E. More were built in 2020 or later than in any other period (51%). 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 0AJ

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 £4,910 (band H); band E, the most common, is £3,000.

BandHomes around hereA year
Band Aabout 10 (1%)£1,637
Band Babout 90 (6%)£1,909
Band Cabout 290 (21%)£2,182
Band Dabout 220 (16%)£2,455
Band Eabout 340 (24%)£3,000
Band Fabout 290 (21%)£3,546
Band Gabout 140 (10%)£4,091
Band Habout 20 (1%)£4,910

When the homes were built

  1. 5% Before 1900
  2. Withheld 1900 to 1918
  3. 3% 1919 to 1939
  4. 4% 1945 to 1964
  5. 12% 1965 to 1982
  6. 14% 1983 to 1999
  7. 3% 2000 to 2009
  8. 7% 2010 to 2019
  9. 51% 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 0AJ is in (ONS area E01023453), 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 0AJ?

The nearest open schools to CM23 0AJ, in a straight line. Distance is not a catchment.

Primary

Secondary

Find and compare schools in England, on GOV.UK More schools near CM23 0AJ, 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 0AJ?

The nearest railway station to the centre of CM23 0AJ is Bishops Stortford Rail Station, 2.1 km away in a straight line.

  • Bishops Stortford Rail Station Railway station 2.1 kmCycle
  • Stansted Mountfitchet Rail Station Railway station 3.9 kmCycle

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

5 bus stops within 400 metres, the nearest Avanti Grange Secondary School, 87 m away.

More stations near CM23 0AJ, 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 0AJ?

The nearest GP practices to the centre of CM23 0AJ, 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 0AJ?

1 within 1 km 1 within 3 km

The nearest charging points to the centre of CM23 0AJ, as OpenStreetMap had them on 20 October 2026:

  • Levi-Scot Charging point · 2 chargers · Type 2 · up to 7 kW 950 mWalk

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 0AJ?

The nearest to the centre of CM23 0AJ, 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 0AJ?

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 0AJ?

The nearest care homes to the centre of CM23 0AJ, 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 0AJ?

The nearest NHS pharmacies to the centre of CM23 0AJ, 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 0AJ?

The nearest vets to the centre of CM23 0AJ 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 0AJ in a conservation area?

The centre of CM23 0AJ is not in any conservation area, listed building, tree preservation area, green belt or protected landscape that planning.data.gov.uk holds. Not every council has sent all its data, so check with the council before relying on it.

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 0AJ?

Police.uk records 118 crimes and reports of anti-social behaviour within a mile of the centre of CM23 0AJ in August 2026, the latest month it has published.

Anti-social behaviour40 reports
Violence and sexual offences35 reports
Shoplifting11 reports
Other theft7 reports
Public order5 reports
Criminal damage and arson4 reports

Also: burglary 4, drugs 4, vehicle crime 3, theft from the person 2, other crime 2, bicycle theft 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 0AJ

Ward
Bishop's Stortford North
Parish
Bishop's Stortford
Region
East of England
Country
England
Rural or urban
Urban, nearer to a major town or city
In use since
February 2025

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 0AJ

Go wider

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

CM23 0 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 0AB40 mCM23 0AL50 mCM23 0AD70 mCM23 0BG80 mCM23 0AH100 mCM23 0AE100 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

Check another postcode

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