The UK Postcode Database

AL7 3NT

a postcode in Hertfordshire

Introduced in January 1980
AL7 3NT 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 3NT

Knella Road - 46 properties, USRN 43009658

Heronswood Road - 1 property, USRN 43008218

Knella Green - 1 property, USRN 43009657

Pollards Close - 1 property, USRN 43070156

Leefield - 1 property, USRN 43070166

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

Coordinates

Latitude: 51.7987 / 51°47'55"N

Longitude: -0.1867 / 0°11'12"W

UTM Reference: 30U 693979 5742398

OS Easting: 525133

OS Northing: 212675

OS Grid: TL251126

Location Encoding

Mapcode Local: GBR J98.1MP

Mapcode Global: VHGPL.Q14X

Open Location Code: 9C3XQRX7+F8

Maidenhead Locator System: IO91vt71

Demographics

Urban/Rural Indicator: C1

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

ONS Population Classification: 6a3

  • Baseline UK
  • Challenged Communities
  • Younger Ethnic Minority Families in Flats

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 3NT on Monday 8 June 2026

Nautical twilight begins (First light) 02:42
Civil twilight begins (Dawn) 03:55
Sunrise 04:43
Transit (sun is at its highest) 12:59
Sunset 21:16
Civil twilight ends (Dusk) 22:03
Nautical twilight ends (Nightfall) 23:16
Hours of daylight today04:13 to 21:46
Hours of darkness tonight
(lighting-up time)
21:46 to 04:12
Moon Phase Last Quarter
Moon Rises 00:21
Moon sets 12:04

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

Residential Property Sales in AL7 3NT

DateAddressProperty TypeTenurePrice
12 August 2022 137 Knella Road, Welwyn Garden City AL7 3NT Terraced (including end-of-terrace) Freehold £368,000
21 March 2022 191 Knella Road, Welwyn Garden City AL7 3NT Semi-detached Freehold £450,000
27 March 2020 191 Knella Road, Welwyn Garden City AL7 3NT Semi-detached Freehold £249,999
22 September 2017 137 Knella Road, Welwyn Garden City AL7 3NT Terraced (including end-of-terrace) Freehold £317,500
18 December 2015 137 Knella Road, Welwyn Garden City AL7 3NT Terraced (including end-of-terrace) Freehold £280,000
4 December 2015 193 Knella Road, Welwyn Garden City AL7 3NT Semi-detached Freehold £323,000
7 October 2013 187 Knella Road, Welwyn Garden City AL7 3NT Terraced (including end-of-terrace) Freehold £276,000
26 August 2011 187 Knella Road, Welwyn Garden City AL7 3NT Terraced (including end-of-terrace) Freehold £240,000
22 January 2010 197 Knella Road, Welwyn Garden City AL7 3NT Terraced (including end-of-terrace) Freehold £199,950
15 August 2008 205 Knella Road, Welwyn Garden City AL7 3NT Terraced (including end-of-terrace) Freehold £182,750
18 April 2006 187 Knella Road, Welwyn Garden City AL7 3NT Semi-detached Freehold £225,000
24 February 2006 185 Knella Road, Welwyn Garden City AL7 3NT Terraced (including end-of-terrace) Freehold £170,650
16 April 2004 205 Knella Road, Welwyn Garden City AL7 3NT Terraced (including end-of-terrace) Freehold £165,000
28 May 2003 157 Knella Road, Welwyn Garden City AL7 3NT Semi-detached Freehold £123,500
12 August 2002 163 Knella Road, Welwyn Garden City AL7 3NT Terraced (including end-of-terrace) Freehold £142,500
22 May 2002 197 Knella Road, Welwyn Garden City AL7 3NT Terraced (including end-of-terrace) Freehold £135,000
15 April 2002 193 Knella Road, Welwyn Garden City AL7 3NT Semi-detached Freehold £120,000
20 December 2001 193 Knella Road, Welwyn Garden City AL7 3NT Semi-detached Freehold £115,000
29 September 2000 205 Knella Road, Welwyn Garden City AL7 3NT Terraced (including end-of-terrace) Freehold £96,950
13 September 1999 187 Knella Road, Welwyn Garden City AL7 3NT Semi-detached Freehold £89,000
20 August 1999 205 Knella Road, Welwyn Garden City AL7 3NT Terraced (including end-of-terrace) Freehold £75,000
26 September 1997 185 Knella Road, Welwyn Garden City AL7 3NT Terraced (including end-of-terrace) Freehold £67,000
21 June 1997 189 Knella Road, Welwyn Garden City AL7 3NT Terraced (including end-of-terrace) Freehold £70,000
8 November 1996 193 Knella Road, Welwyn Garden City AL7 3NT Semi-detached Freehold £66,000
29 September 1995 193 Knella Road, Welwyn Garden City AL7 3NT Semi-detached Freehold £59,500

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 3NT

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 3NT

CodeNameData TypeData ThemeActive SinceData Owner
E00121635 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
E33024494 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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