CM21 9BD postcode in Sawbridgeworth, Hertfordshire

CM21 9BD is a postcode in Sawbridgeworth, in the Sawbridgeworth 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 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 97% of homes and businesses can get it. East Hertfordshire: 84% Typical price £375,000 Homes sold in CM21 9, last 12 months. ▼ 2.7% on the year before Nearest station Sawbridgeworth 350 m in a straight line

Where CM21 9BD is, and what is near it

Map of CM21 9BD and what is near it Map of CM21 9BD: its centre point, with the 174 other postcodes in the CM21 9 sector, 4 schools (3 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 3 bus stops (1 beyond the edge, shown by arrows). North is up; the scale bar is 250 m. CM21 9AA: also in CM21 9CM21 9AB: also in CM21 9CM21 9AD: also in CM21 9CM21 9AE: also in CM21 9CM21 9AG: also in CM21 9CM21 9AH: also in CM21 9CM21 9AJ: also in CM21 9CM21 9AN: also in CM21 9CM21 9AQ: also in CM21 9CM21 9AR: also in CM21 9CM21 9AT: also in CM21 9CM21 9AX: also in CM21 9CM21 9AY: also in CM21 9CM21 9AZ: also in CM21 9CM21 9BA: also in CM21 9CM21 9BB: also in CM21 9CM21 9BE: also in CM21 9CM21 9BG: also in CM21 9CM21 9BH: also in CM21 9CM21 9BJ: also in CM21 9CM21 9BL: also in CM21 9CM21 9BN: also in CM21 9CM21 9BQ: also in CM21 9CM21 9BW: also in CM21 9CM21 9DA: also in CM21 9CM21 9DB: also in CM21 9CM21 9EB: also in CM21 9CM21 9EF: also in CM21 9CM21 9EN: also in CM21 9CM21 9EP: also in CM21 9CM21 9EW: also in CM21 9CM21 9FG: also in CM21 9CM21 9FH: also in CM21 9CM21 9FN: also in CM21 9CM21 9FP: also in CM21 9CM21 9FQ: also in CM21 9CM21 9FR: also in CM21 9CM21 9GY: also in CM21 9CM21 9GZ: also in CM21 9CM21 9HZ: also in CM21 9CM21 9JE: also in CM21 9CM21 9JF: also in CM21 9CM21 9JG: also in CM21 9CM21 9JJ: also in CM21 9CM21 9JL: also in CM21 9CM21 9JN: also in CM21 9CM21 9JS: also in CM21 9CM21 9JT: also in CM21 9CM21 9JX: also in CM21 9CM21 9JY: also in CM21 9CM21 9JZ: also in CM21 9CM21 9LD: also in CM21 9CM21 9LH: also in CM21 9CM21 9LQ: also in CM21 9CM21 9LZ: also in CM21 9CM21 9PL: also in CM21 9CM21 9PX: also in CM21 9CM21 9PY: also in CM21 9CM21 9PZ: also in CM21 9CM21 9QA: also in CM21 9CM21 9QD: also in CM21 9CM21 9QE: also in CM21 9CM21 9QG: also in CM21 9CM21 9QH: also in CM21 9CM21 9QJ: also in CM21 9CM21 9QL: also in CM21 9CM21 9QN: also in CM21 9CM21 9QU: also in CM21 9CM21 9QW: also in CM21 9CM21 9RA: also in CM21 9CM21 9RB: also in CM21 9CM21 9RF: also in CM21 9CM21 9TD: also in CM21 9 Bus stop 350 mGP 1.9 kmHarlow Mill station 3.0 kmThe Eden Surgeries 3.5 kmSawbridgeworth CM21 9BD Map of CM21 9BD and what is near it Map of CM21 9BD: its centre point, with the 174 other postcodes in the CM21 9 sector, 4 schools (2 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 3 bus stops. North is up; the scale bar is 250 m. GP 1.9 kmSaint Nicholas School 3.8 kmSawbridgeworth CM21 9BD
  • CM21 9BD
  • Other postcodes in CM21 9: press one for its page
  • 4 schools
  • 2 railway stations
  • 3 GP practices
  • 3 bus stops
  • 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 51.8135, longitude 0.1555)

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 CM21 9BD?

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 CM21 9BD?

Every home and business at CM21 9BD can get superfast broadband (30 Mbit/s or more) from a line, and 97% can get gigabit, Ofcom says.

Gigabit (1,000 Mbit/s)97% 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 CM21 9BD?

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 CM21 9BD 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 CM21 9BD 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 CM21 9BD.

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 CM21 9BD: 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 CM21 9BD 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 CM21 9BD?

Homes in CM21 9 sold for a typical £375,000 in the 12 months to August 2026, across 84 sales, down 2.7% on the 12 months before, HM Land Registry's figures show.

£375,000 typical price, the 12 months to August 2026
£385,500 12 months to August 2025
▼ down 2.7% on the 12 months before
  • Detached £670,000 17 sales
  • Semi-detached £480,000 20 sales
  • Terraced £330,000 21 sales
  • Flat or maisonette £220,000 26 sales

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

Across the whole CM21 district: a typical £428,500 from 128 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 CM21 9BD

HM Land Registry records one standard sale of homes in CM21 9BD from January 2024 to August 2026, the latest on 1 November 2024. 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 CM21 9BD?

The Valuation Office Agency counts about 890 homes in the neighbourhood around CM21 9BD. The largest share of them, 24%, are in council tax band C. More were built from 1965 to 1982 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 CM21 9BD

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 C, the most common, is £2,182.

BandHomes around hereA year
Band Aabout 20 (2%)£1,637
Band Babout 160 (18%)£1,909
Band Cabout 210 (24%)£2,182
Band Dabout 150 (17%)£2,455
Band Eabout 210 (24%)£3,000
Band Fabout 70 (8%)£3,546
Band Gabout 60 (7%)£4,091
Band Habout 10 (1%)£4,910

When the homes were built

  1. 24% Before 1900
  2. 6% 1900 to 1918
  3. 9% 1919 to 1939
  4. 11% 1945 to 1964
  5. 26% 1965 to 1982
  6. 16% 1983 to 1999
  7. 6% 2000 to 2009
  8. 2% 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 CM21 9BD is in (ONS area E01023502), 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 CM21 9BD?

The nearest open schools to CM21 9BD, in a straight line. Distance is not a catchment.

Primary

Secondary

Find and compare schools in England, on GOV.UK More schools near CM21 9BD, 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 CM21 9BD?

The nearest railway station to the centre of CM21 9BD is Sawbridgeworth Rail Station, 350 metres away in a straight line.

  • Sawbridgeworth Rail Station Railway station 350 mWalk
  • Harlow Mill Rail Station Railway station 3.0 kmCycle

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

3 bus stops within 400 metres, the nearest Sawbridgeworth Railway Station, 367 m away.

More stations near CM21 9BD, 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 CM21 9BD?

The nearest GP practices to the centre of CM21 9BD, 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 CM21 9BD?

OpenStreetMap maps no public charging point within 3 km of the centre of CM21 9BD 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 CM21 9BD?

The nearest to the centre of CM21 9BD, 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 CM21 9BD?

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 CM21 9BD?

The nearest care homes to the centre of CM21 9BD, 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 CM21 9BD?

The nearest NHS pharmacies to the centre of CM21 9BD, 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 CM21 9BD?

The nearest vets to the centre of CM21 9BD 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 CM21 9BD in a conservation area?

The centre of CM21 9BD 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 CM21 9BD?

Police.uk records 68 crimes and reports of anti-social behaviour within a mile of the centre of CM21 9BD in August 2026, the latest month it has published.

Violence and sexual offences19 reports
Anti-social behaviour16 reports
Vehicle crime8 reports
Public order7 reports
Burglary5 reports
Criminal damage and arson4 reports

Also: drugs 3, other crime 3, shoplifting 1, robbery 1, possession of weapons 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 CM21 9BD

Ward
Sawbridgeworth
Parish
Sawbridgeworth
Region
East of England
Country
England
Built-up area
Sawbridgeworth
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

Where to check what we do not hold

Around CM21 9BD

Go wider

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

CM21 9 sector CM21 district CM postcode area Sawbridgeworth postcodes

Questions about a postcode

Nearby postcodes

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

CM21 9BE100 mCM21 9PX100 mCM21 9JY100 mCM21 9JF120 mCM21 9BL140 mCM21 9JZ140 m
All of CM21

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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