CM23 3UH postcode in Bishop's Stortford, Hertfordshire

CM23 3UH is a postcode in Bishop's Stortford, in the Bishop's Stortford North ward of East Hertfordshire. It is in the Hertford and Stortford parliamentary constituency and the Hertfordshire police force area, and has been in use since January 1980.

Flooding Low flood risk 2 of 30 homes and businesses at low risk, from rivers or the sea Gigabit broadband 11% of homes and businesses can get it. East Hertfordshire: 84% Typical price £352,500 Homes sold in CM23 3, last 12 months. ▼ 1% on the year before Nearest station Bishops Stortford 550 m in a straight line

Where CM23 3UH is, and what is near it

Map of CM23 3UH and what is near it Map of CM23 3UH: its centre point, with the 264 other postcodes in the CM23 3 sector, 4 schools, 2 railway stations (1 beyond the edge, shown by arrows), 3 GP practices, 13 bus stops and 1 EV charging point. North is up; the scale bar is 250 m. CM23 3AA: also in CM23 3CM23 3AB: also in CM23 3CM23 3AD: also in CM23 3CM23 3AE: also in CM23 3CM23 3AG: also in CM23 3CM23 3AJ: also in CM23 3CM23 3AL: also in CM23 3CM23 3AP: also in CM23 3CM23 3AR: also in CM23 3CM23 3AS: also in CM23 3CM23 3AT: also in CM23 3CM23 3AW: also in CM23 3CM23 3AX: also in CM23 3CM23 3AY: also in CM23 3CM23 3AZ: also in CM23 3CM23 3BA: also in CM23 3CM23 3BD: also in CM23 3CM23 3BE: also in CM23 3CM23 3BG: also in CM23 3CM23 3BJ: also in CM23 3CM23 3BL: also in CM23 3CM23 3BN: also in CM23 3CM23 3BP: also in CM23 3CM23 3BQ: also in CM23 3CM23 3BS: also in CM23 3CM23 3BT: also in CM23 3CM23 3BX: also in CM23 3CM23 3BY: also in CM23 3CM23 3DA: also in CM23 3CM23 3DD: also in CM23 3CM23 3DE: also in CM23 3CM23 3DH: also in CM23 3CM23 3DQ: also in CM23 3CM23 3DW: also in CM23 3CM23 3DY: also in CM23 3CM23 3EB: also in CM23 3CM23 3EE: also in CM23 3CM23 3EG: also in CM23 3CM23 3FL: also in CM23 3CM23 3FN: also in CM23 3CM23 3FP: also in CM23 3CM23 3FQ: also in CM23 3CM23 3FR: also in CM23 3CM23 3FS: also in CM23 3CM23 3FT: also in CM23 3CM23 3FU: also in CM23 3CM23 3FW: also in CM23 3CM23 3FX: also in CM23 3CM23 3GA: also in CM23 3CM23 3GD: also in CM23 3CM23 3GE: also in CM23 3CM23 3GF: also in CM23 3CM23 3GG: also in CM23 3CM23 3GH: also in CM23 3CM23 3GJ: also in CM23 3CM23 3GL: also in CM23 3CM23 3GN: also in CM23 3CM23 3GQ: also in CM23 3CM23 3GR: also in CM23 3CM23 3GT: also in CM23 3CM23 3GU: also in CM23 3CM23 3HJ: also in CM23 3CM23 3HL: also in CM23 3CM23 3HN: also in CM23 3CM23 3HP: also in CM23 3CM23 3HR: also in CM23 3CM23 3HS: also in CM23 3CM23 3HT: also in CM23 3CM23 3HU: also in CM23 3CM23 3HX: also in CM23 3CM23 3HZ: also in CM23 3CM23 3JA: also in CM23 3CM23 3JB: also in CM23 3CM23 3JD: also in CM23 3CM23 3JE: also in CM23 3CM23 3JG: also in CM23 3CM23 3JH: also in CM23 3CM23 3PA: also in CM23 3CM23 3PB: also in CM23 3CM23 3PH: also in CM23 3CM23 3PL: also in CM23 3CM23 3QF: also in CM23 3CM23 3QH: also in CM23 3CM23 3QJ: also in CM23 3CM23 3QL: also in CM23 3CM23 3QN: also in CM23 3CM23 3QP: also in CM23 3CM23 3QQ: also in CM23 3CM23 3QR: also in CM23 3CM23 3QS: also in CM23 3CM23 3QX: also in CM23 3CM23 3RD: also in CM23 3CM23 3RE: also in CM23 3CM23 3RG: also in CM23 3CM23 3RH: also in CM23 3CM23 3RQ: also in CM23 3CM23 3RU: also in CM23 3CM23 3RW: also in CM23 3CM23 3RX: also in CM23 3CM23 3SA: also in CM23 3CM23 3SB: also in CM23 3CM23 3SD: also in CM23 3CM23 3SE: also in CM23 3CM23 3SF: also in CM23 3CM23 3SG: also in CM23 3CM23 3SH: also in CM23 3CM23 3SJ: also in CM23 3CM23 3SL: also in CM23 3CM23 3SN: also in CM23 3CM23 3SP: also in CM23 3CM23 3SQ: also in CM23 3CM23 3SR: also in CM23 3CM23 3SS: also in CM23 3CM23 3ST: also in CM23 3CM23 3SW: also in CM23 3CM23 3SX: also in CM23 3CM23 3SY: also in CM23 3CM23 3TA: also in CM23 3CM23 3TB: also in CM23 3CM23 3TE: also in CM23 3CM23 3TG: also in CM23 3CM23 3TJ: also in CM23 3CM23 3TL: also in CM23 3CM23 3TN: also in CM23 3CM23 3TP: also in CM23 3CM23 3TQ: also in CM23 3CM23 3TR: also in CM23 3CM23 3TS: also in CM23 3CM23 3TT: also in CM23 3CM23 3TU: also in CM23 3CM23 3TW: also in CM23 3CM23 3TX: also in CM23 3CM23 3TY: also in CM23 3CM23 3UA: also in CM23 3CM23 3UB: also in CM23 3CM23 3UE: also in CM23 3CM23 3UL: also in CM23 3CM23 3UP: also in CM23 3CM23 3UT: also in CM23 3CM23 3UU: also in CM23 3CM23 3UZ: also in CM23 3CM23 3XB: also in CM23 3CM23 3XG: also in CM23 3CM23 3XH: also in CM23 3CM23 3XQ: also in CM23 3CM23 3YJ: also in CM23 3CM23 3YL: also in CM23 3CM23 3YN: also in CM23 3CM23 3YR: also in CM23 3CM23 3YS: also in CM23 3CM23 3YW: also in CM23 3CM23 3ZF: also in CM23 3CM23 3ZH: also in CM23 3 Bishop's Stortford Central CM23 3UH Map of CM23 3UH and what is near it Map of CM23 3UH: its centre point, with the 264 other postcodes in the CM23 3 sector, 4 schools, 2 railway stations (1 beyond the edge, shown by arrows), 3 GP practices (1 beyond the edge, shown by arrows), 13 bus stops and 1 EV charging point. North is up; the scale bar is 250 m. Bishop's Stortford Central CM23 3UH
  • CM23 3UH
  • Other postcodes in CM23 3: press one for its page
  • 4 schools
  • 2 railway stations
  • 3 GP practices
  • 13 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 51.8704, longitude 0.1599)

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 3UH?

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 3UH?

Every home and business at CM23 3UH can get superfast broadband (30 Mbit/s or more) from a line, and 11% can get gigabit, Ofcom says.

Gigabit (1,000 Mbit/s)11% 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 3UH?

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 3UH 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 3UH at risk of flooding?

From rivers and the sea, long term

Low risk

The Environment Agency counts 30 homes and businesses at CM23 3UH. 2 are in an area at low risk of flooding from rivers or the sea.

30 homes and businesses at CM23 3UH Low: 2Not in an area at risk: 28

High: 3.3% or more a year (1 in 30). Medium: 1% to 3.3% a year. Low: 0.1% to 1% a year. Very low: under 0.1% a year (1 in 1,000). Each band is the chance of flooding in any one year.

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 3UH: 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 3UH is in 2 of the Environment Agency's flood warning areas. No warning or alert was in force for them at 11:11 on 22 October 2026.

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; warnings in force checked at 11:11 on 22 October 2026, using Environment Agency flood and river level data from the real-time data API (Beta). Open Government Licence v3.0. How we use these

What do homes sell for near CM23 3UH?

Homes in CM23 3 sold for a typical £352,500 in the 12 months to August 2026, across 116 sales, down 1% on the 12 months before, HM Land Registry's figures show.

£352,500 typical price, the 12 months to August 2026
£356,000 12 months to August 2025
▼ down 1% on the 12 months before
  • Detached £505,000 5 sales
  • Semi-detached £435,000 41 sales
  • Terraced £355,000 25 sales
  • Flat or maisonette £260,000 45 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 3UH

HM Land Registry records no standard sales of homes in CM23 3UH 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

Food hygiene ratings at CM23 3UH

The Food Standards Agency lists 18 food businesses at CM23 3UH. Each opens the agency's own page for it, with what the council's inspector found.

Show the other 10 businesses

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 3UH?

The Valuation Office Agency counts about 770 homes in the neighbourhood around CM23 3UH. The largest share of them, 21%, are in council tax band F. More were built before 1900 than in any other period (30%). 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 3UH

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 F, the most common, is £3,546.

BandHomes around hereA year
Band Aabout 10 (1%)£1,637
Band Babout 60 (8%)£1,909
Band Cabout 140 (18%)£2,182
Band Dabout 150 (19%)£2,455
Band Eabout 150 (19%)£3,000
Band Fabout 160 (21%)£3,546
Band Gabout 90 (12%)£4,091
Band Habout 10 (1%)£4,910

When the homes were built

  1. 30% Before 1900
  2. 3% 1900 to 1918
  3. 16% 1919 to 1939
  4. 12% 1945 to 1964
  5. 18% 1965 to 1982
  6. 8% 1983 to 1999
  7. 4% 2000 to 2009
  8. 9% 2010 to 2019
  9. None 2020 or later

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 3UH is in (ONS area E01023449), 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 3UH?

The nearest open schools to CM23 3UH, in a straight line. Distance is not a catchment.

Primary

Secondary

Find and compare schools in England, on GOV.UK More schools near CM23 3UH, 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 3UH?

The nearest railway station to the centre of CM23 3UH is Bishops Stortford Rail Station, 550 metres away in a straight line.

  • Bishops Stortford Rail Station Railway station 550 mWalk
  • Stansted Mountfitchet Rail Station Railway station 4.4 kmCycle

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

13 bus stops within 400 metres, the nearest Bridge Street, 122 m away.

More stations near CM23 3UH, 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 3UH?

The nearest GP practices to the centre of CM23 3UH, 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 3UH?

1 within 1 km 5 within 3 km

The nearest charging points to the centre of CM23 3UH, as OpenStreetMap had them on 20 October 2026:

  • Levi-Scot Charging point · 2 chargers · Type 2 · up to 7 kW 750 mWalk
  • Birchanger Green Supercharger Charging point · 4 chargers · Tesla · up to 150 kW 2.3 kmCycle
  • Gridserve Charging point · 3 chargers · Type 2, CCS, CHAdeMO · up to 50 kW 2.4 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 3UH?

The nearest to the centre of CM23 3UH, 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 3UH?

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 3UH?

The nearest care homes to the centre of CM23 3UH, 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 3UH?

The nearest NHS pharmacies to the centre of CM23 3UH, 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 3UH?

The nearest vets to the centre of CM23 3UH 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 3UH in a conservation area?

The centre of CM23 3UH 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 3UH?

Police.uk records 253 crimes and reports of anti-social behaviour within a mile of the centre of CM23 3UH in August 2026, the latest month it has published.

Anti-social behaviour76 reports
Violence and sexual offences61 reports
Shoplifting32 reports
Public order18 reports
Criminal damage and arson14 reports
Burglary13 reports

Also: other theft 13, vehicle crime 9, drugs 7, theft from the person 3, robbery 3, other crime 3, 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 3UH

Ward
Bishop's Stortford North
Parish
Bishop's Stortford
Region
East of England
Country
England
Built-up area
Bishop's Stortford
Rural or urban
Urban, 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 3UH

Go wider

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

CM23 3 sector CM23 district CM postcode area Bishop's Stortford postcodes

Questions about a postcode

Nearby postcodes

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

CM23 3GQ20 mCM23 3UL30 mCM23 3XG60 mCM23 3XQ70 mCM23 3UT70 mCM23 3AY70 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

Something wrong on this page? Report an error and we will check it against the source.