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AL5 4SD

Harpenden West · St Albans · England

Updated September 2026

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Location overview

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Post town
Harpenden
Ward
Harpenden West
Local authority
St Albans
Constituency
Harpenden and Berkhamsted
Postcode district
AL5
Postcode sector
AL5 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
AL5 4AA 27 m
AL5 4SA 27 m
AL5 1PA 39 m
AL5 2RT 39 m
AL5 4SQ 47 m
Complete postcode fields and official codes
Postcode
AL5 4SD
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
AL
Postcode district
AL5
Postcode sector
AL5 4
Latitude
51.814780
Longitude
-0.354281
British National Grid easting
513,540
British National Grid northing
214,185

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
St Albans · E07000240
Electoral ward
Harpenden West · E05013955
Parish or community
E04013284
Westminster constituency
Harpenden and Berkhamsted · E14001268
Output area
E00120354
Lower layer super output area
St Albans 003C · E01023701
Middle layer super output area
St Albans 003 · E02004926

Postcode source versions

Explore AL5

Property

View all property records
1 recorded sale at this postcode
Address Date Price
2, Station Road, Harpenden, AL5 4SD 17 March 2010 £450,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
27
Primary
17
Secondary
5

  1. Harpenden Academy

    Free schools

    134 m

  2. St Nicholas CofE VA Primary School

    Voluntary aided school

    376 m

  3. St Dominic Catholic Primary School

    Academy converter

    401 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,180
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 256
  • Anti social behaviour 205
  • Shoplifting 173
  • Other theft 142
  • Vehicle crime 125

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
AL5 4 residents
7,137

Age bands in AL5 4

Wider postcode sector
Age 0 to 14
23%

1,656 residents

Age 15 to 24
10%

717 residents

Age 25 to 44
21.9%

1,578 residents

Age 45 to 64
29%

2,092 residents

Age 65 and over
16.1%

1,163 residents

Small counts are adjusted for privacy, so totals can differ slightly between Census tables.

Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.

Fixed broadband coverage

Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.

Superfast, 30 Mbit/s+
100%
Ultrafast, 100 Mbit/s+
100%
Ultrafast, 300 Mbit/s+
100%
Gigabit-capable
100%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
0%

Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

GP practices

3

within 5 km

  • DAVENPORT HOUSE SURGERY

    DAVENPORT HOUSE, BOWERS WAY, HARPENDEN, AL5 4HX

    ODS code E82077

    157 m

  • VILLAGE SURGERY

    AMENBURY LANE, HARPENDEN, AL5 2BT

    ODS code E82037

    222 m

  • ELMS MEDICAL PRACTICE

    5 STEWART ROAD, HARPENDEN, AL5 4QA

    ODS code E82071

    485 m

Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.

Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Harpenden Railway Station

    BCT · Harpenden

    0.0 miles

  • Harpenden Railway Station

    BCT · Harpenden

    0.0 miles

  • The George PH

    BCT · Harpenden

    0.0 miles

  • Amenbury Lane

    BCT · Harpenden

    0.1 miles

  • Amenbury Lane

    BCT · Harpenden

    0.1 miles

Relative deprivation

English Indices of Deprivation 2025 for St Albans 003C, the published LSOA linked to this postcode. Decile 1 contains the most deprived 10% of English LSOAs and decile 10 the least deprived 10%.

Overall IMD decile

9 of 10

Overall England rank

29,146 of 33,755

Income
8 of 10
Employment
8 of 10
Education and skills
10 of 10
Health and disability
10 of 10
Crime
7 of 10
Housing and services
10 of 10
Living environment
4 of 10

These are relative area statistics, not measures of an individual household, affluence or absolute change. They cannot be compared with indices for other UK nations. Source: English Indices of Deprivation 2025, version 2025-v2.

Flood risk

Environment Agency long-term indicators for the area around addresses in this postcode. They are not an assessment of any individual property and do not show current or forecast flooding.

High risk addresses
0
Medium risk addresses
1
Low risk addresses
0
Groundwater flood alert area
Unlikely

Source: Environment Agency flood-risk postcode search tool data, version 2026-06-18. Check the long-term risk for an individual area. © Environment Agency copyright and/or database right 2025. All rights reserved.

Evidence in context

Schools

27 open schools are in scope, including 17 primary and 5 secondary schools. Harpenden Academy is the nearest published school at 134 m.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

1,180 published events cover 12 months, averaging 98.333 events per published month. The largest recorded category is Violence and sexual offences with 256 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.