HP4 1HJ

a postcode in Hertfordshire

Introduced in January 1980

HP4 1HJ	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 HP4 1HJ

Castle Hill Avenue - 38 properties, USRN 10303205

Bridgewater Road - 1 property, USRN 10302186

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

Coordinates

Latitude: 51.7658 / 51°45'57"N

Longitude: -0.5634 / 0°33'48"W

UTM Reference: 30U 668132 5737804

OS Easting: 499231

OS Northing: 208437

OS Grid: SP992084

Location Encoding

Mapcode Local: GBR F55.8C8

Mapcode Global: VHFRY.5WZ5

Open Location Code: 9C3XQC8P+8J

Maidenhead Locator System: IO91rs23

Demographics

Urban/Rural Indicator: C1

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

ONS Population Classification: 1c1

Retired Professionals
Established Mature Families
Affluent Mature Families

Index of Multiple Deprivation (IMD): 32584 / 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 HP4 1HJ on Thursday 18 June 2026

Nautical twilight begins (First light)	02:38
Civil twilight begins (Dawn)	03:54
Sunrise	04:42
Transit (sun is at its highest)	13:03
Sunset	21:23
Civil twilight ends (Dusk)	22:12
Nautical twilight ends (Nightfall)	23:28

Hours of daylight today	04:12 to 21:53
Hours of darkness tonight (lighting-up time)	21:53 to 04:13
Moon Phase	Waxing Crescent
Moon Rises	07:22
Moon sets	23:13

For a full sun and moon calendar for HP4 1HJ, go to The Time and Place

Residential Property Sales in HP4 1HJ

Date	Address	Property Type	Tenure	Price
21 March 2024	50 Castle Hill Avenue, Berkhamsted HP4 1HJ	Semi-detached	Freehold	£900,000
14 December 2023	25 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£1,085,000
8 December 2023	34 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£1,800,000
31 May 2023	20 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£1,075,000
29 March 2021	21 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£1,250,000
17 December 2020	32 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£1,400,000
4 March 2020	27 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£1,275,000
20 January 2020	38 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£987,500
21 November 2019	13 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£1,200,000
26 July 2018	Brecon, 23, Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£1,000,000
20 January 2017	17 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£1,040,500
9 February 2016	18 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£885,000
30 October 2015	8 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£1,165,000
30 October 2015	3 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£1,165,000
12 December 2013	22 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£707,000
25 May 2012	10 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£1,500,000
14 July 2011	36 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£870,000
3 May 2011	8 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£700,000
9 June 2010	48 Castle Hill Avenue, Berkhamsted HP4 1HJ	Semi-detached	Freehold	£630,000
20 June 2008	1 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£605,000
23 May 2007	3 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£640,000
18 May 2007	4 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£680,000
15 February 2006	48 Castle Hill Avenue, Berkhamsted HP4 1HJ	Semi-detached	Freehold	£485,000
21 January 2005	36 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£730,000
31 August 2004	10 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£520,000
7 July 2004	11 Castle Hill Avenue, Berkhamsted HP4 1HJ	Semi-detached	Freehold	£400,000
22 January 2004	4 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£490,000
7 November 2003	6 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£480,000
30 October 2003	9 Castle Hill Avenue, Berkhamsted HP4 1HJ	Semi-detached	Freehold	£396,500
6 June 2003	40 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£455,000
17 April 2003	48 Castle Hill Avenue, Berkhamsted HP4 1HJ	Semi-detached	Freehold	£425,000
25 July 2002	46 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£525,000
18 July 2002	36 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£485,000
19 January 2001	48 Castle Hill Avenue, Berkhamsted HP4 1HJ	Semi-detached	Freehold	£340,000
10 November 2000	52 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£335,000
7 July 2000	7 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£370,000
4 July 2000	13 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£490,000
2 November 1999	46 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£330,000
12 August 1999	18 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£260,000
7 July 1997	48 Castle Hill Avenue, Berkhamsted HP4 1HJ	Semi-detached	Freehold	£175,000
16 February 1996	15 Castle Hill Avenue, Berkhamsted HP4 1HJ	Detached	Freehold	£183,000

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 HP4 1HJ

United Kingdom Parliament

Constituency

Harpenden and Berkhamsted

MP

Victoria Collins Liberal Democrat

Hertfordshire County Council

County council electoral division

Berkhamsted

Councillor

Nigel Taylor Liberal Democrats

Dacorum Borough Council

District council ward

Berkhamsted Castle

Councillors

Ian Bristow Liberal Democrats

Rick Freedman Liberal Democrats

HP4 1HJ also falls within the Civil Parish of Berkhamsted, 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 HP4 1HJ

Code	Name	Data Type	Data Theme	Active Since	Data Owner
E00118700		Output Areas	Statistical Building Block	1 January 2009	ONS
E01023364	Dacorum 009D	Lower layer Super Output Areas	Statistical Building Block	1 February 2004	ONS
E02004864	Dacorum 009	Middle layer Super Output Areas	Statistical Building Block	1 August 2004	ONS
E04004697	Berkhamsted	Civil Parishes	Administrative	1 January 2009	DLUHC
E05004697	Berkhamsted Castle	Electoral Wards/Divisions	Administrative/Electoral	1 January 2009	DLUHC
E07000096	Dacorum	Non-metropolitan Districts	Administrative	1 January 2009	DLUHC
E10000015	Hertfordshire	Counties	Administrative	1 January 2009	DLUHC
E12000006	East of England	Regions	Administrative	1 January 2009	DLUHC
E14001268	Harpenden and Berkhamsted	Westminster Parliamentary Constituencies	Electoral	4 July 2024	LGBC
E23000027	Hertfordshire	Police Force Areas	Other	1 January 2009	Home Office
E30000237	Luton	Travel to Work Areas	Other	31 July 2015	ONS
E33027114		Workplace Zones	Census	31 December 2011	ONS
E37000048	Hertfordshire	Local Enterprise Partnerships	Other	1 April 2020	BEIS
E38000079	NHS Herts Valleys	Sub Integrated Care Board Locations	Health	1 April 2015	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
E58000604	Berkhamsted ED	County Electoral Divisions	Electoral	4 May 2017	DLUHC
E63011542	Berkhamsted	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