The UK Postcode Database

CM21 9AX

a postcode in Hertfordshire

Introduced in January 1980
CM21 9AX Normal (geographic) postcodes Large user postcodes

The nearby postcodes map only shows currently active postcodes. Postcode markers will cluster if they are close together, which may happen in densly populated built-up areas or where single premises have multiple postcodes.

Streets Associated with CM21 9AX

Knight Street - 41 properties, USRN 12409659

Rowan Walk - 1 property, USRN 12450068

Street names are those nearest to properties in this postcode, they are not necessarily the postal address

Coordinates

Latitude: 51.8126 / 51°48'45"N

Longitude: 0.1513 / 0°9'4"E

UTM Reference: 31U 303642 5744036

OS Easting: 548398

OS Northing: 214853

OS Grid: TL483148

Location Encoding

Mapcode Local: GBR LD5.92W

Mapcode Global: VHHM1.KPWT

Open Location Code: 9F32R572+2G

Maidenhead Locator System: JO01bt85

Demographics

Urban/Rural Indicator: C1

  • urban city or town
  • a town or city, surrounded by populated countryside

ONS Population Classification: 2c2

  • Suburbanites and Peri-Urbanites
  • Ageing Communities
  • Ageing Independent Living

Index of Multiple Deprivation (IMD): 30704 / 32844

  • 10th decile
  • least deprived

Demographics are based on the LSOA containing this postcode and not necessarily this postcode alone

Sun and Moon Times for CM21 9AX on Saturday 11 July 2026

Nautical twilight begins (First light) 02:59
Civil twilight begins (Dawn) 04:08
Sunrise 04:53
Transit (sun is at its highest) 13:04
Sunset 21:15
Civil twilight ends (Dusk) 22:01
Nautical twilight ends (Nightfall) 23:10
Hours of daylight today04:23 to 21:45
Hours of darkness tonight
(lighting-up time)
21:45 to 04:25
Moon Phase Waning Crescent
Moon Rises 00:14
Moon sets 18:11

For a full sun and moon calendar for CM21 9AX, go to The Time and Place

Residential Property Sales in CM21 9AX

DateAddressProperty TypeTenurePrice
29 April 2021 Flat 4, 33 - 45 Knight Street, Sawbridgeworth CM21 9AX Flat/apartment Leasehold £225,000
22 July 2020 Flat 1, 33 - 35 Knight Street, Sawbridgeworth CM21 9AX Flat/apartment Leasehold £170,000
2 August 2019 35 Knight Street, Sawbridgeworth CM21 9AX Flat/apartment Leasehold £205,000
22 July 2019 1, The Market House, Knight Street, Sawbridgeworth CM21 9AX Terraced (including end-of-terrace) Freehold £520,000
18 October 2017 30 Knight Street, Sawbridgeworth CM21 9AX Semi-detached Freehold £285,000
31 July 2015 1, The Market House, Knight Street, Sawbridgeworth CM21 9AX Terraced (including end-of-terrace) Freehold £457,000
16 July 2015 32 Knight Street, Sawbridgeworth CM21 9AX Semi-detached Freehold £485,000
3 December 2013 Flat 1, 33 - 35 Knight Street, Sawbridgeworth CM21 9AX Flat/apartment Leasehold £137,000
16 February 2012 35 Knight Street, Sawbridgeworth CM21 9AX Flat/apartment Leasehold £152,000
4 June 2010 The Old Malthouse, Knight Street, Sawbridgeworth CM21 9AX Detached Freehold £523,635
20 July 2009 35 Knight Street, Sawbridgeworth CM21 9AX Flat/apartment Leasehold £150,000
30 June 2009 Flat, 33a Knight Street, Sawbridgeworth CM21 9AX Terraced (including end-of-terrace) Freehold £250,000
5 February 2007 35 Knight Street, Sawbridgeworth CM21 9AX Flat/apartment Leasehold £212,000
11 November 2005 The Ancient Raj, Knight Street, Sawbridgeworth CM21 9AX Flat/apartment Leasehold £150,000
12 July 2005 35 Knight Street, Sawbridgeworth CM21 9AX Flat/apartment Leasehold £105,000
28 February 2005 35 Knight Street, Sawbridgeworth CM21 9AX Flat/apartment Leasehold £166,000
17 December 2004 35 Knight Street, Sawbridgeworth CM21 9AX Flat/apartment Leasehold £198,000
20 August 2004 Flat, 33a Knight Street, Sawbridgeworth CM21 9AX Terraced (including end-of-terrace) Freehold £185,000
6 August 2004 35 Knight Street, Sawbridgeworth CM21 9AX Flat/apartment Leasehold £127,005
25 February 2004 35 Knight Street, Sawbridgeworth CM21 9AX Flat/apartment Leasehold £148,000
30 June 2003 35 Knight Street, Sawbridgeworth CM21 9AX Flat/apartment Leasehold £150,000
30 April 2003 29 Knight Street, Sawbridgeworth CM21 9AX Semi-detached Freehold £195,000
16 September 2002 35 Knight Street, Sawbridgeworth CM21 9AX Flat/apartment Leasehold £138,995
5 August 1999 35 Knight Street, Sawbridgeworth CM21 9AX Flat/apartment Leasehold £70,000
9 January 1998 35 Knight Street, Sawbridgeworth CM21 9AX Flat/apartment Leasehold £62,500
14 June 1996 35 Knight Street, Sawbridgeworth CM21 9AX Flat/apartment Leasehold £59,000

Key to property sale icons:

First sale of newbuild property. This includes new properties created from existing properties, such as residential conversions of commercial or agricultural property, or subdivision of a larger residential property.
Subsequent sale of existing property.
Standard sale at market value to private individual.
Additional (non-standard) sale. This includes repossessions, buy-to-lets and transfers of property sold to non-private individuals.

Elected Representatives for CM21 9AX

United Kingdom Parliament
Constituency

Hertford and Stortford

MP

Josh Dean Labour

Hertfordshire County Council
County council electoral division

Sawbridgeworth

Councillor

Eric Buckmaster Conservative

East Hertfordshire District Council
District council ward

Sawbridgeworth

Councillors

Eric Buckmaster Conservative

Ruth Buckmaster Conservative

Angus Parsad-Wyatt Conservative

CM21 9AX also falls within the Civil Parish of Sawbridgeworth, which has its own parish council and parish councillors. These are not shown here.

Elected representative data is updated approximately monthly, so may not include recent by-elections or vacancies.

Government Statistical Services (GSS) data for CM21 9AX

CodeNameData TypeData ThemeActive SinceData Owner
E00119385 Output Areas Statistical Building Block 1 January 2009 ONS
E01023502 East Hertfordshire 011D Lower layer Super Output Areas Statistical Building Block 1 February 2004 ONS
E02004888 East Hertfordshire 011 Middle layer Super Output Areas Statistical Building Block 1 August 2004 ONS
E04004746 Sawbridgeworth Civil Parishes Administrative 1 January 2009 DLUHC
E05015373 Sawbridgeworth Electoral Wards/Divisions Administrative/Electoral 4 May 2023 DLUHC
E07000242 East Hertfordshire Non-metropolitan Districts Administrative 1 April 2013 DLUHC
E10000015 Hertfordshire Counties Administrative 1 January 2009 DLUHC
E12000006 East of England Regions Administrative 1 January 2009 DLUHC
E14001283 Hertford and Stortford Westminster Parliamentary Constituencies Electoral 4 July 2024 LGBC
E23000027 Hertfordshire Police Force Areas Other 1 January 2009 Home Office
E30000186 Cambridge Travel to Work Areas Other 31 July 2015 ONS
E33027226 Workplace Zones Census 31 December 2011 ONS
E37000048 Hertfordshire Local Enterprise Partnerships Other 1 April 2020 BEIS
E38000049 NHS East and North Hertfordshire CCG Sub Integrated Care Board Locations Health 1 April 2020 ODS
E40000007 East of England NHS England Regions Health 1 April 2019 ODS
E54000025 NHS Hertfordshire and West Essex Integrated Care Board Integrated Care Boards Health 1 July 2022 ODS
E56000035 East of England Cancer Alliances Health 1 April 2024 NHS England
E58000660 Sawbridgeworth ED County Electoral Divisions Electoral 4 May 2017 DLUHC
E63011422 Sawbridgeworth Built Up Areas Census 17 April 2024 OS
E65000001 England Non-National Park Area England Non-National Park Area Census 27 February 2023 ONS
E92000001 England Country Administrative 1 January 2009 ONS

All public sector data is licensed under the Open Government Licence v2.0.

The UK Postcode Database is a Good Stuff website.

Page generated in 2.12 seconds. 216.73.217.65. Sat, 11 Jul 2026 16:06:31 +0100. Acquisitive Numismatism.