The UK Postcode Database

AL7 3NN

a postcode in Hertfordshire

Introduced in January 1980
AL7 3NN 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 3NN

Knella Road - 16 properties, USRN 43009658

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

Coordinates

Latitude: 51.7982 / 51°47'53"N

Longitude: -0.1862 / 0°11'10"W

UTM Reference: 30U 694016 5742342

OS Easting: 525169

OS Northing: 212619

OS Grid: TL251126

Location Encoding

Mapcode Local: GBR J98.7R5

Mapcode Global: VHGPL.Q2D9

Open Location Code: 9C3XQRX7+7G

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 3NN 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 3NN, go to The Time and Place

Residential Property Sales in AL7 3NN

DateAddressProperty TypeTenurePrice
28 November 2023 206 Knella Road, Welwyn Garden City AL7 3NN Terraced (including end-of-terrace) Freehold £395,000
8 November 2023 188 Knella Road, Welwyn Garden City AL7 3NN Terraced (including end-of-terrace) Freehold £460,000
20 July 2018 182 Knella Road, Welwyn Garden City AL7 3NN Terraced (including end-of-terrace) Freehold £337,500
24 May 2018 190 Knella Road, Welwyn Garden City AL7 3NN Terraced (including end-of-terrace) Freehold £325,000
29 October 2015 196 Knella Road, Welwyn Garden City AL7 3NN Terraced (including end-of-terrace) Freehold £295,000
13 February 2014 182 Knella Road, Welwyn Garden City AL7 3NN Terraced (including end-of-terrace) Freehold £224,000
8 November 2010 192 Knella Road, Welwyn Garden City AL7 3NN Terraced (including end-of-terrace) Freehold £181,000
19 July 2010 188 Knella Road, Welwyn Garden City AL7 3NN Terraced (including end-of-terrace) Freehold £240,000
4 July 2007 204 Knella Road, Welwyn Garden City AL7 3NN Terraced (including end-of-terrace) Freehold £183,000
24 November 2006 182 Knella Road, Welwyn Garden City AL7 3NN Semi-detached Freehold £174,000
21 September 2006 192 Knella Road, Welwyn Garden City AL7 3NN Terraced (including end-of-terrace) Freehold £190,000
21 December 2005 188 Knella Road, Welwyn Garden City AL7 3NN Terraced (including end-of-terrace) Freehold £210,000
30 June 2005 198 Knella Road, Welwyn Garden City AL7 3NN Semi-detached Freehold £190,500
27 November 2003 192 Knella Road, Welwyn Garden City AL7 3NN Terraced (including end-of-terrace) Freehold £167,000
19 December 2002 206 Knella Road, Welwyn Garden City AL7 3NN Terraced (including end-of-terrace) Freehold £163,500
19 October 2001 206 Knella Road, Welwyn Garden City AL7 3NN Terraced (including end-of-terrace) Freehold £123,000
31 March 2000 192 Knella Road, Welwyn Garden City AL7 3NN Terraced (including end-of-terrace) Freehold £89,000
2 September 1996 198 Knella Road, Welwyn Garden City AL7 3NN Semi-detached Freehold £56,000

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 3NN

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 3NN

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.

The UK Postcode Database is a Good Stuff website.

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