The UK Postcode Database

AL7 3NL

a postcode in Hertfordshire

Introduced in January 1980
AL7 3NL 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 AL7 3NL

Knella Green - 36 properties, USRN 43009657

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

Coordinates

Latitude: 51.7976 / 51°47'51"N

Longitude: -0.1869 / 0°11'12"W

UTM Reference: 30U 693970 5742271

OS Easting: 525122

OS Northing: 212549

OS Grid: TL251125

Location Encoding

Mapcode Local: GBR J98.7KW

Mapcode Global: VHGPL.Q21S

Open Location Code: 9C3XQRX7+26

Maidenhead Locator System: IO91vt71

Demographics

Urban/Rural Indicator: C1

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

ONS Population Classification: 6a1

  • Baseline UK
  • Challenged Communities
  • Suburban Housing Starters

Index of Multiple Deprivation (IMD): 7219 / 32844

  • 3rd decile
  • more deprived

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

Sun and Moon Times for AL7 3NL on Friday 12 June 2026

Nautical twilight begins (First light) 02:38
Civil twilight begins (Dawn) 03:53
Sunrise 04:41
Transit (sun is at its highest) 13:00
Sunset 21:19
Civil twilight ends (Dusk) 22:07
Nautical twilight ends (Nightfall) 23:22
Hours of daylight today04:11 to 21:49
Hours of darkness tonight
(lighting-up time)
21:49 to 04:11
Moon Phase Waning Crescent
Moon Rises 01:19
Moon sets 17:45

For a full sun and moon calendar for AL7 3NL, go to The Time and Place

Residential Property Sales in AL7 3NL

DateAddressProperty TypeTenurePrice
22 September 2022 18 Knella Green, Welwyn Garden City AL7 3NL Semi-detached Freehold £410,000
20 December 2021 8 Knella Green, Welwyn Garden City AL7 3NL Terraced (including end-of-terrace) Freehold £215,400
18 March 2021 36 Knella Green, Welwyn Garden City AL7 3NL Terraced (including end-of-terrace) Freehold £347,500
11 March 2021 30 Knella Green, Welwyn Garden City AL7 3NL Terraced (including end-of-terrace) Freehold £310,000
9 February 2021 19 Knella Green, Welwyn Garden City AL7 3NL Terraced (including end-of-terrace) Freehold £315,000
2 November 2018 23 Knella Green, Welwyn Garden City AL7 3NL Semi-detached Freehold £335,000
6 July 2018 7 Knella Green, Welwyn Garden City AL7 3NL Terraced (including end-of-terrace) Freehold £340,000
18 August 2016 18 Knella Green, Welwyn Garden City AL7 3NL Semi-detached Freehold £375,000
27 May 2016 7 Knella Green, Welwyn Garden City AL7 3NL Terraced (including end-of-terrace) Freehold £275,000
5 June 2015 18 Knella Green, Welwyn Garden City AL7 3NL Semi-detached Freehold £285,000
14 March 2014 36 Knella Green, Welwyn Garden City AL7 3NL Terraced (including end-of-terrace) Freehold £249,495
31 August 2012 19 Knella Green, Welwyn Garden City AL7 3NL Terraced (including end-of-terrace) Freehold £180,000
24 July 2012 23 Knella Green, Welwyn Garden City AL7 3NL Semi-detached Freehold £201,000
9 June 2009 18 Knella Green, Welwyn Garden City AL7 3NL Semi-detached Freehold £181,000
20 September 2007 34 Knella Green, Welwyn Garden City AL7 3NL Terraced (including end-of-terrace) Freehold £190,000
14 September 2007 36 Knella Green, Welwyn Garden City AL7 3NL Semi-detached Freehold £190,000
24 August 2007 3 Knella Green, Welwyn Garden City AL7 3NL Terraced (including end-of-terrace) Freehold £175,000
7 August 2007 30 Knella Green, Welwyn Garden City AL7 3NL Terraced (including end-of-terrace) Freehold £176,000
11 August 2006 23 Knella Green, Welwyn Garden City AL7 3NL Terraced (including end-of-terrace) Freehold £146,000
30 August 2005 30 Knella Green, Welwyn Garden City AL7 3NL Terraced (including end-of-terrace) Freehold £162,000
24 April 2005 12 Knella Green, Welwyn Garden City AL7 3NL Terraced (including end-of-terrace) Freehold £188,000
20 January 2003 12 Knella Green, Welwyn Garden City AL7 3NL Terraced (including end-of-terrace) Freehold £155,000

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 AL7 3NL

United Kingdom Parliament
Constituency

Welwyn Hatfield

MP

Andrew Lewin Labour

Hertfordshire County Council
County council electoral division

Handside & Peartree

Councillor

Gemma Moore Liberal Democrats

Welwyn Hatfield Borough Council
District council ward

Peartree

Councillors

Russ Platt Liberal Democrats

Duncan Jones Liberal Democrats

Fauzia Haider Liberal Democrats

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

Government Statistical Services (GSS) data for AL7 3NL

CodeNameData TypeData ThemeActive SinceData Owner
E00121634 Output Areas Statistical Building Block 1 January 2009 ONS
E01023958 Welwyn Hatfield 007E Lower layer Super Output Areas Statistical Building Block 1 February 2004 ONS
E02004986 Welwyn Hatfield 007 Middle layer Super Output Areas Statistical Building Block 1 August 2004 ONS
E05011069 Peartree 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
E33027642 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
E43000083 Welwyn Hatfield, unparished area Non-Civil Parished Areas Census 31 December 2011 ONS
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
E58000623 Handside & Peartree ED County Electoral Divisions Electoral 4 May 2017 DLUHC
E63011463 Welwyn Garden City 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.

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