The UK Postcode Database

AL7 3NW

a postcode in Hertfordshire

Introduced in January 1980
AL7 3NW 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 3NW

Knella Road - 32 properties, USRN 43009658

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

Coordinates

Latitude: 51.7971 / 51°47'49"N

Longitude: -0.1835 / 0°11'0"W

UTM Reference: 30U 694210 5742227

OS Easting: 525362

OS Northing: 212502

OS Grid: TL253125

Location Encoding

Mapcode Local: GBR J98.8FP

Mapcode Global: VHGPL.R3V4

Open Location Code: 9C3XQRW8+VJ

Maidenhead Locator System: IO91vt71

Demographics

Urban/Rural Indicator: C1

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

ONS Population Classification: 6a2

  • Baseline UK
  • Challenged Communities
  • Semi Detached Strivers

Index of Multiple Deprivation (IMD): 20388 / 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 AL7 3NW on Saturday 13 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 21:20
Civil twilight ends (Dusk) 22:08
Nautical twilight ends (Nightfall) 23:23
Hours of daylight today04:11 to 21:50
Hours of darkness tonight
(lighting-up time)
21:50 to 04:11
Moon Phase Waning Crescent
Moon Rises 01:44
Moon sets 19:15

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

Residential Property Sales in AL7 3NW

DateAddressProperty TypeTenurePrice
29 September 2021 256 Knella Road, Welwyn Garden City AL7 3NW Semi-detached Freehold £449,000
28 June 2021 272 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £388,000
18 December 2020 218 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £360,000
17 July 2020 208 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £345,000
3 April 2020 278 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £340,000
31 January 2020 248 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £325,000
10 January 2020 216a Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £330,000
17 December 2018 230 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £311,000
18 October 2018 214 Knella Road, Welwyn Garden City AL7 3NW Semi-detached Freehold £365,000
26 June 2018 242 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £310,000
25 July 2016 256 Knella Road, Welwyn Garden City AL7 3NW Semi-detached Freehold £406,000
12 June 2015 272 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £260,000
31 July 2014 216 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £250,000
27 June 2014 216a Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £243,000
26 July 2013 218 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £242,500
31 January 2012 218 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £176,000
1 June 2010 216 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £192,000
29 April 2009 228 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £150,000
8 February 2008 230 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £160,000
20 September 2004 256 Knella Road, Welwyn Garden City AL7 3NW Semi-detached Freehold £235,000
19 April 2004 268 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £160,000
25 June 2003 248 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £160,000
10 March 2003 258 Knella Road, Welwyn Garden City AL7 3NW Semi-detached Freehold £171,000
26 October 2001 236 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £114,000
27 June 2001 214 Knella Road, Welwyn Garden City AL7 3NW Semi-detached Freehold £110,000
9 March 2001 276 Knella Road, Welwyn Garden City AL7 3NW Semi-detached Freehold £115,000
21 August 2000 230 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £51,000
15 October 1999 256 Knella Road, Welwyn Garden City AL7 3NW Semi-detached Freehold £92,500
19 August 1999 248 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £85,200
27 February 1998 278 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £85,000
31 July 1997 214 Knella Road, Welwyn Garden City AL7 3NW Semi-detached Freehold £74,500
9 September 1996 258 Knella Road, Welwyn Garden City AL7 3NW Semi-detached Freehold £68,950
8 February 1996 236 Knella Road, Welwyn Garden City AL7 3NW Terraced (including end-of-terrace) Freehold £55,500

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 3NW

United Kingdom Parliament
Constituency

Welwyn Hatfield

MP

Andrew Lewin Labour

Hertfordshire County Council
County council electoral division

Welwyn Garden City South

Councillor

Mark Biddle Reform UK

Welwyn Hatfield Borough Council
District council ward

Howlands

Councillors

Katherine Gardner Labour

Max Holloway Labour

Jill Weston Labour

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

Government Statistical Services (GSS) data for AL7 3NW

CodeNameData TypeData ThemeActive SinceData Owner
E00121578 Output Areas Statistical Building Block 1 January 2009 ONS
E00173228 Output Areas Statistical Building Block 31 December 2011 ONS
E01023944 Welwyn Hatfield 008B Lower layer Super Output Areas Statistical Building Block 1 February 2004 ONS
E02004987 Welwyn Hatfield 008 Middle layer Super Output Areas Statistical Building Block 1 August 2004 ONS
E05011066 Howlands 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
E33027644 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
E58000676 Welwyn Garden City South 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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