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St. Albans (AL9)

The AL9 postcode area is located in the St. Albans postcode town region, within the county of Hertfordshire, and contains a total of 610 individual postcodes.

There are 29 electoral wards in the AL9 postcode area, including Harpenden, Hatfield, St Albans, Welwyn, Welwyn Garden City which come under the local authority of the Welwyn Hatfield Council.

Combining the whole postcode region, 30% of people in AL9 are classed as having an AB social grade, (i.e. 'white-collar' middle-upper class), compared to 27% across the UK.

This does not mean that the people of AL9 are wealthier - or higher class - than average, but it can be an indication that the area may be prospering and desirable to live in.

The AL9 postcode, part of the wider St Albans district in England, is located in the Hertfordshire county in South East England. It mainly covers the area to the south/south-east of St Albans, including part of the Oaklands College, and stretching south to the very edge of Welham Green in Hertfordshire.

The AL9 postcode is home to various town centres, shops, pubs, residential areas, and forests. Specifically, the Codicote hamlet is included in the area, while Knebworth Park and the surrounding forests are found on the southern, edge. Well-known landmarks in the area include the Camp Greenreagh Training Area and Knebworth House, the latter of which is a fortified manor which has been family owned since the 15th century.

The postcode is mainly residential with several family homes, and is surrounded by green space. Bus routes and easy access to the district's main shopping area provides a useful link to other parts of St Albans for residents. However, the area is mainly known for its quiet pace of life and nature reserves, in particular Knebworth Park and Elsoms Wood which are visited by many walkers, dog owners, and those looking to explore the local wildlife and native plants.

The area is covered by the Oaklands College with campuses in Welham Green and St Albans, making it ideal for those studying in the district. Public transport links to the college, such as bus routes and a train station in nearby Welham Green, make getting to class easy.

Finally, the AL9 postcode is served by various schools in the area such as Mardleybury Primary School and The John Henry Newman Catholic College, both of which are rated 'Outstanding' by Ofsted. Local pubs in the surrounding villages attract many regulars from the St Albans area, and its peaceful atmosphere and picturesque setting makes it an ideal area for those looking to experience the countryside.

Postcode Disclaimer notice



  • 86%WORKING

14% of people in AL9 are either unemployed or full time students. The average UK unemployment rate is currently 4%.


  • 30%AB
  • 52%C2/C2
  • 17%DE

According to census records, 30% of people here have a social grade of AB (highest), compared to the national average of 27%.


  • 77%WHITE
  • 23%NON-WHITE

77% of people class themselves as 'white', compared to a national UK average of 81.9%.

AL Postcode Wall Map


The county of Hertfordshire

AL9 is located in the county of Hertfordshire, in England.

Hertfordshire has a total population of 1,176,700, making it the 12th largest county in the UK.

Hertfordshire has a total area of 634 square miles, and a population density of 716 people per square kilometre. For comparison, Greater London has a density of 5,618 people/km2.

Hertfordshire Postal Town Map
Outward CodeAL9
Postal TownSt. Albans
MSOA NameWelwyn Hatfield 012
LSOA NameWelwyn Hatfield 012A
Local AuthorityWelwyn Hatfield
Area ClassificationUnclassified

AL9 Electoral Wards

The postal region of AL9, includes the local towns, villages, electoral wards and stations of:

Bell Bar
Brookmans Park
Bullen's Green
Cole Green
Hall Grove
Hatfield Garden Village
Hatfield Hyde
Letty Green
Lower Woodside
Mill Green
Nast Hyde
Old Hatfield
Roe Green
South Hatfield
The Ridgeway
The Ryde
Water End
Welham Green
West End
Browse Postcodes in AL9

Dig even deeper into the AL9 postcode by clicking on a postcode below:

Click on an outward postal code below for more information about the area. Each 'outward' postcode give you a comprehensive list of all postcodes within the outward code area (AL) and estimated address.

Click on an 'outward' code for more information. For example, the outward postcode page 'EC2M' will give you an alphabetical list covering all postcodes located in the region, from 'EC2M 1BB' through to 'EC2M 7YA'.

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Chris H

Tuesday, May 28, 2024

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