The UK Postcode Database

AL9 7DZ

a postcode in Welham Green, Hertfordshire

Introduced in January 1980
AL9 7DZ 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 AL9 7DZ

Knolles Crescent - 28 properties, USRN 43009679

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

Coordinates

Latitude: 51.7339 / 51°44'2"N

Longitude: -0.2205 / 0°13'13"W

UTM Reference: 30U 691928 5735098

OS Easting: 522983

OS Northing: 205407

OS Grid: TL229054

Location Encoding

Mapcode Local: GBR J9Z.C2H

Mapcode Global: VHGPS.4P95

Open Location Code: 9C3XPQMH+HR

Maidenhead Locator System: IO91vr36

Demographics

Urban/Rural Indicator: C1

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

ONS Population Classification: 4a2

  • Multicultural Metropolitans
  • Rented Family Living
  • Private Renting New Arrivals

Index of Multiple Deprivation (IMD): 22000 / 32844

  • 7th decile
  • somewhat less deprived

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

Sun and Moon Times for AL9 7DZ on Friday 14 March 2025

Astromomical twilight begins (full darkness ends) 04:23
Nautical twilight begins (First light) 05:03
Civil twilight begins (Dawn) 05:42
Sunrise 06:16
Transit (sun is at its highest) 12:09
Sunset 18:03
Civil twilight ends (Dusk) 18:37
Nautical twilight ends (Nightfall) 19:16
Astromomical twilight ends (full darkness starts) 19:56
Hours of daylight today05:46 to 18:33
Hours of darkness tonight
(lighting-up time)
18:33 to 05:43
Moon Phase Full Moon
Moon Sets 06:28
Moon Rises 18:37

For a full sun and moon calendar for AL9 7DZ, go to The Time and Place

Residential Property Sales in AL9 7DZ

DateAddressProperty TypeTenurePrice
19 June 2024 17 Knolles Crescent, Welham Green, Hatfield AL9 7DZ Terraced (including end-of-terrace) Freehold £440,000
24 June 2021 9 Knolles Crescent, Welham Green, Hatfield AL9 7DZ Terraced (including end-of-terrace) Freehold £445,000
12 March 2021 7 Knolles Crescent, Welham Green, Hatfield AL9 7DZ Terraced (including end-of-terrace) Freehold £448,000
11 December 2018 33 Knolles Crescent, Welham Green, Hatfield AL9 7DZ Terraced (including end-of-terrace) Freehold £359,950
30 August 2018 37 Knolles Crescent, Welham Green, Hatfield AL9 7DZ Terraced (including end-of-terrace) Freehold £215,000
6 April 2010 29 Knolles Crescent, Welham Green, Hatfield AL9 7DZ Terraced (including end-of-terrace) Freehold £225,000
3 March 2006 11 Knolles Crescent, Welham Green, Hatfield AL9 7DZ Terraced (including end-of-terrace) Freehold £227,950
10 June 2005 13 Knolles Crescent, Welham Green, Hatfield AL9 7DZ Terraced (including end-of-terrace) Freehold £240,000
12 August 2004 25 Knolles Crescent, Welham Green, Hatfield AL9 7DZ Detached Freehold £212,000
10 November 2003 3 Knolles Crescent, Welham Green, Hatfield AL9 7DZ Semi-detached Freehold £230,000
6 September 2001 37 Knolles Crescent, Welham Green, Hatfield AL9 7DZ Terraced (including end-of-terrace) Freehold £165,000
30 November 2000 25 Knolles Crescent, Welham Green, Hatfield AL9 7DZ Detached Freehold £128,000
25 February 2000 17 Knolles Crescent, Welham Green, Hatfield AL9 7DZ Terraced (including end-of-terrace) Freehold £129,995
8 January 1999 25 Knolles Crescent, Welham Green, Hatfield AL9 7DZ Detached Freehold £107,500
29 November 1996 19 Knolles Crescent, Welham Green, Hatfield AL9 7DZ Semi-detached Freehold £77,000
28 July 1995 37 Knolles Crescent, Welham Green, Hatfield AL9 7DZ Terraced (including end-of-terrace) Freehold £73,000

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 AL9 7DZ

United Kingdom Parliament
Constituency

Welwyn Hatfield

MP

Andrew Lewin Labour

Hertfordshire County Council
County council electoral division

Hatfield South

Councillor

Paul Zukowskyj Liberal Democrats

Welwyn Hatfield Borough Council
District council ward

Welham Green & Hatfield South

Councillors

Adrienne Nix Liberal Democrats

Sandreni Bonfante Liberal Democrats

Paul Zukowskyj Liberal Democrats

AL9 7DZ also falls within the Civil Parish of North Mymms, 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 AL9 7DZ

CodeNameData TypeData ThemeActive SinceData Owner
E00121685 Output Areas Statistical Building Block 1 January 2009 ONS
E01023963 Welwyn Hatfield 014B Lower layer Super Output Areas Statistical Building Block 1 February 2004 ONS
E02004993 Welwyn Hatfield 014 Middle layer Super Output Areas Statistical Building Block 1 August 2004 ONS
E02007092 Welwyn Hatfield 017 Middle layer Super Output Areas Statistical Building Block 21 March 2021 ONS
E04012223 North Mymms Civil Parishes Administrative 1 April 2012 DLUHC
E05011071 Welham Green and Hatfield South Electoral Wards/Divisions Administrative/Electoral 5 May 2016 DLUHC
E07000241 Welwyn Hatfield Non-metropolitan Districts Administrative 1 April 2012 DLUHC
E10000015 Hertfordshire Counties Administrative 1 January 2009 DLUHC
E12000006 East of England Regions Administrative 1 January 2009 DLUHC
E14001573 Welwyn Hatfield Westminster Parliamentary Constituencies Electoral 4 July 2024 LGBC
E23000027 Hertfordshire Police Force Areas Other 1 January 2009 Home Office
E30000272 Stevenage and Welwyn Garden City Travel to Work Areas Other 31 July 2015 ONS
E33027670 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
E58000630 Hatfield South ED County Electoral Divisions Electoral 4 May 2017 DLUHC
E63004472 Welham Green Built Up Areas Census 1 December 2022 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.

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