AL5 1NL

Harpenden West · St Albans · England

Updated September 2026

Compare this postcode

Location overview

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Post town
Harpenden
Local authority
St Albans
Postcode district
AL5
Postcode sector
AL5 1

Nearby postcodes

Nearby postcode distances
Postcode Distance
AL5 1FB 57 m
AL5 1LQ 58 m
AL5 1PR 78 m
AL5 1DZ 118 m
AL5 1LJ 131 m
Complete postcode fields and official codes
Postcode
AL5 1NL
Status
Current
Introduced
1 December 2001
Terminated
Not published
Postcode area
AL
Postcode district
AL5
Postcode sector
AL5 1
Latitude
51.808279
Longitude
-0.344741
British National Grid easting
514,214
British National Grid northing
213,477

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
St Albans · E07000240
Parish or community
E04013284
Output area
E00120359
Lower layer super output area
St Albans 003E · E01023703
Middle layer super output area
St Albans 003 · E02004926

Postcode source versions

Explore AL5

2 recorded sales at this postcode
Address Date Price
1, Marlborough Park, Harpenden, AL5 1NL 22 January 2020 £625,000
Collingham, Marlborough Park, Harpenden, AL5 1NL 8 November 2019 £550,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
35
Primary
22
Secondary
7
  1. The Grove Junior School

    Community school

    489 m
  2. The Grove Infant and Nursery School

    Community school

    556 m
  3. St Dominic Catholic Primary School

    Academy converter

    582 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
809
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 169
  • Shoplifting 147
  • Anti social behaviour 129
  • Vehicle crime 101
  • Other theft 60

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
AL5 1 residents
6,414

Age bands in AL5 1

Wider postcode sector
Age 0 to 14
21.3%

1,300 residents

Age 15 to 24
8.3%

509 residents

Age 25 to 44
22.2%

1,355 residents

Age 45 to 64
28.7%

1,756 residents

Age 65 and over
19.5%

1,195 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

  • VILLAGE SURGERY

    AMENBURY LANE, HARPENDEN, AL5 2BT

    ODS code E82037

    1.1 km

  • DAVENPORT HOUSE SURGERY

    DAVENPORT HOUSE, BOWERS WAY, HARPENDEN, AL5 4HX

    ODS code E82077

    1.1 km

  • ELMS MEDICAL PRACTICE

    5 STEWART ROAD, HARPENDEN, AL5 4QA

    ODS code E82071

    1.3 km

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 2026-09-05. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • The Plough and Harrow PH

    BCT · Harpenden

    0.1 miles
  • The Plough and Harrow PH

    BCT · Harpenden

    0.1 miles
  • Churchfield

    BCT · Harpenden

    0.1 miles
  • Queens Road

    BCT · Harpenden

    0.2 miles
  • Longfield Road

    BCT · Harpenden

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for St Albans 003E, 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

10 of 10

Overall England rank

33,621 of 33,755

Income
10 of 10
Employment
10 of 10
Education and skills
10 of 10
Health and disability
10 of 10
Crime
10 of 10
Housing and services
10 of 10
Living environment
6 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
0
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

35 open schools are in scope, including 22 primary and 7 secondary schools. The Grove Junior School is the nearest published school at 489 m.

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

Recorded crime

809 published events cover 12 months, averaging 67.417 events per published month. The largest recorded category is Violence and sexual offences with 169 events.

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