The UK Postcode Database

AL10 9AP

a terminated large user postcode in Hertfordshire

Introduced in December 1995, terminated in December 1999
AL10 9AP 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.

Coordinates

Latitude: 51.7545 / 51°45'16"N

Longitude: -0.2394 / 0°14'21"W

UTM Reference: 30U 690536 5737344

OS Easting: 521622

OS Northing: 207671

OS Grid: TL216076

Location Encoding

Mapcode Local: GBR J9L.SDM

Mapcode Global: VHGPR.S5T9

Open Location Code: 9C3XQQ36+R6

Maidenhead Locator System: IO91vs11

Demographics

Urban/Rural Indicator: C1

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

ONS Population Classification: 4a1

  • Low-Skilled Migrant and Student Communities
  • Ethnically Diverse Families in Less Connected Locations
  • Semi-Detached, Service Workers and Students

Index of Multiple Deprivation (IMD): 20828 / 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 AL10 9AP on Wednesday 3 June 2026

Nautical twilight begins (First light) 02:50
Civil twilight begins (Dawn) 04:00
Sunrise 04:46
Transit (sun is at its highest) 12:59
Sunset 21:11
Civil twilight ends (Dusk) 21:58
Nautical twilight ends (Nightfall) 23:08
Hours of daylight today04:16 to 21:41
Hours of darkness tonight
(lighting-up time)
21:41 to 04:15
Moon Phase Waning Gibbous
Moon Sets 05:39
Moon Rises 23:25

For a full sun and moon calendar for AL10 9AP, go to The Time and Place

Elected Representatives for AL10 9AP

United Kingdom Parliament
Constituency

Welwyn Hatfield

MP

Andrew Lewin Labour

Hertfordshire County Council
County council electoral division

Hatfield South

Councillor

Andrew Williams Conservative

Welwyn Hatfield Borough Council
District council ward

Hatfield South West

Councillors

Helena Goldwater Liberal Democrats

Karthik Bonkur Labour

Tim Rowse Liberal Democrats

AL10 9AP also falls within the Civil Parish of Hatfield, 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 AL10 9AP

CodeNameData TypeData ThemeActive SinceData Owner
E00121554 Output Areas Statistical Building Block 1 January 2009 ONS
E01023935 Welwyn Hatfield 013C Lower layer Super Output Areas Statistical Building Block 1 February 2004 ONS
E02004992 Welwyn Hatfield 013 Middle layer Super Output Areas Statistical Building Block 1 August 2004 ONS
E04004819 Hatfield Civil Parishes Administrative 1 January 2009 DLUHC
E05011063 Hatfield South West 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
E33027668 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
E63011549 Hatfield 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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