CM23 4DU

a postcode in Hertfordshire

Introduced in January 1980

CM23 4DU	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 CM23 4DU

Gerard Avenue - 34 properties, USRN 12406795

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

Coordinates

Latitude: 51.8556 / 51°51'20"N

Longitude: 0.1497 / 0°8'58"E

UTM Reference: 31U 303714 5748815

OS Easting: 548142

OS Northing: 219624

OS Grid: TL481196

Location Encoding

Mapcode Local: GBR LCL.NMZ

Mapcode Global: VHHLV.JMZD

Open Location Code: 9F32V44X+6V

Maidenhead Locator System: JO01bu75

Demographics

Urban/Rural Indicator: C1

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

ONS Population Classification: 5b1

Ethnically Diverse Suburb-an Professionals
Suburban Professionals
Families in Multi-Ethnic Terraces

Index of Multiple Deprivation (IMD): 32221 / 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 CM23 4DU on Saturday 11 July 2026

Nautical twilight begins (First light)	02:58
Civil twilight begins (Dawn)	04:07
Sunrise	04:53
Transit (sun is at its highest)	13:04
Sunset	21:16
Civil twilight ends (Dusk)	22:02
Nautical twilight ends (Nightfall)	23:11

Hours of daylight today	04:23 to 21:46
Hours of darkness tonight (lighting-up time)	21:46 to 04:24
Moon Phase	Waning Crescent
Moon Rises	00:14
Moon sets	18:13

For a full sun and moon calendar for CM23 4DU, go to The Time and Place

Residential Property Sales in CM23 4DU

Date	Address	Property Type	Tenure	Price
21 August 2020	17 Gerard Avenue, Bishop's Stortford CM23 4DU	Terraced (including end-of-terrace)	Freehold	£370,000
3 April 2020	7 Gerard Avenue, Bishop's Stortford CM23 4DU	Semi-detached	Freehold	£385,000
17 April 2019	12 Gerard Avenue, Bishop's Stortford CM23 4DU	Semi-detached	Freehold	£425,000
26 October 2018	4 Gerard Avenue, Bishop's Stortford CM23 4DU	Terraced (including end-of-terrace)	Freehold	£357,500
12 July 2018	32 Gerard Avenue, Bishop's Stortford CM23 4DU	Semi-detached	Freehold	£395,000
27 June 2018	30 Gerard Avenue, Bishop's Stortford CM23 4DU	Semi-detached	Freehold	£371,000
17 August 2017	2 Gerard Avenue, Bishop's Stortford CM23 4DU	Terraced (including end-of-terrace)	Freehold	£332,000
30 June 2017	16 Gerard Avenue, Bishop's Stortford CM23 4DU	Detached	Freehold	£415,000
19 December 2016	26 Gerard Avenue, Bishop's Stortford CM23 4DU	Detached	Freehold	£445,000
19 November 2012	25 Gerard Avenue, Bishop's Stortford CM23 4DU	Detached	Freehold	£327,500
25 September 2012	3 Gerard Avenue, Bishop's Stortford CM23 4DU	Terraced (including end-of-terrace)	Freehold	£245,000
20 April 2011	2 Gerard Avenue, Bishop's Stortford CM23 4DU	Terraced (including end-of-terrace)	Freehold	£195,000
16 June 2008	4 Gerard Avenue, Bishop's Stortford CM23 4DU	Terraced (including end-of-terrace)	Freehold	£249,995
6 February 2008	21 Gerard Avenue, Bishop's Stortford CM23 4DU	Detached	Freehold	£347,000
16 August 2007	31 Gerard Avenue, Bishop's Stortford CM23 4DU	Semi-detached	Freehold	£262,500
3 August 2007	14 Gerard Avenue, Bishop's Stortford CM23 4DU	Detached	Freehold	£292,000
4 June 2007	16 Gerard Avenue, Bishop's Stortford CM23 4DU	Detached	Freehold	£275,000
20 June 2006	24 Gerard Avenue, Bishop's Stortford CM23 4DU	Detached	Freehold	£303,000
22 July 2005	21 Gerard Avenue, Bishop's Stortford CM23 4DU	Detached	Freehold	£264,000
6 May 2005	3 Gerard Avenue, Bishop's Stortford CM23 4DU	Terraced (including end-of-terrace)	Freehold	£198,000
12 October 2004	14 Gerard Avenue, Bishop's Stortford CM23 4DU	Detached	Freehold	£240,110
21 March 2003	4 Gerard Avenue, Bishop's Stortford CM23 4DU	Terraced (including end-of-terrace)	Freehold	£197,000
20 February 2003	15 Gerard Avenue, Bishop's Stortford CM23 4DU	Detached	Freehold	£227,000
20 May 2002	17 Gerard Avenue, Bishop's Stortford CM23 4DU	Terraced (including end-of-terrace)	Freehold	£186,000
25 October 1999	9 Gerard Avenue, Bishop's Stortford CM23 4DU	Semi-detached	Freehold	£118,000
9 June 1999	21 Gerard Avenue, Bishop's Stortford CM23 4DU	Detached	Freehold	£130,000
30 April 1999	20 Gerard Avenue, Bishop's Stortford CM23 4DU	Detached	Freehold	£135,000
8 May 1998	10 Gerard Avenue, Bishop's Stortford CM23 4DU	Semi-detached	Freehold	£98,500
20 March 1998	22 Gerard Avenue, Bishop's Stortford CM23 4DU	Detached	Freehold	£138,500
4 August 1997	31 Gerard Avenue, Bishop's Stortford CM23 4DU	Semi-detached	Freehold	£82,500
6 June 1997	5 Gerard Avenue, Bishop's Stortford CM23 4DU	Semi-detached	Freehold	£90,000
18 November 1996	26 Gerard Avenue, Bishop's Stortford CM23 4DU	Detached	Freehold	£112,500
12 July 1996	31 Gerard Avenue, Bishop's Stortford CM23 4DU	Semi-detached	Freehold	£68,000
14 June 1996	30 Gerard Avenue, Bishop's Stortford CM23 4DU	Semi-detached	Freehold	£73,500
10 May 1996	15 Gerard Avenue, Bishop's Stortford CM23 4DU	Detached	Freehold	£87,000

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 CM23 4DU

United Kingdom Parliament

Constituency

Hertford and Stortford

MP

Josh Dean Labour

Hertfordshire County Council

County council electoral division

Bishop's Stortford Rural

Councillor

Mark Pope Conservative

East Hertfordshire District Council

District council ward

Bishop's Stortford South

Councillors

Diane Hollebon Conservative

Simon Marlow Liberal Democrats

CM23 4DU also falls within the Civil Parish of Bishop's Stortford, 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 CM23 4DU

Code	Name	Data Type	Data Theme	Active Since	Data Owner
E00119149		Output Areas	Statistical Building Block	1 January 2009	ONS
E01023457	East Hertfordshire 008B	Lower layer Super Output Areas	Statistical Building Block	1 February 2004	ONS
E02004885	East Hertfordshire 008	Middle layer Super Output Areas	Statistical Building Block	1 August 2004	ONS
E04012914	Bishop's Stortford	Civil Parishes	Administrative	1 April 2019	DLUHC
E05015359	Bishop's Stortford South	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
E33027212		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
E58001776	Bishop's Stortford Rural ED	County Electoral Divisions	Electoral	6 May 2021	DLUHC
E63011309	Bishop's Stortford	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

The UK Postcode Database