AL9 7AJ

Brookmans Park and Little Heath · Welwyn Hatfield · England

Updated September 2026

Compare this postcode

Location overview

Drag to pan. Use + or - to zoom. Open larger map
Post town
Hatfield
Local authority
Welwyn Hatfield
Constituency
Welwyn Hatfield
Postcode district
AL9
Postcode sector
AL9 7

Nearby postcodes

Nearby postcode distances
Postcode Distance
AL9 7AG 65 m
AL9 7AN 102 m
AL9 7AF 153 m
AL9 7AE 160 m
AL9 6LA 200 m
Complete postcode fields and official codes
Postcode
AL9 7AJ
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
AL
Postcode district
AL9
Postcode sector
AL9 7
Latitude
51.720340
Longitude
-0.180825
British National Grid easting
525,758
British National Grid northing
203,967

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
Welwyn Hatfield · E07000241
Parish or community
E04012223
Westminster constituency
Welwyn Hatfield · E14001573
Output area
E00121398
Lower layer super output area
Welwyn Hatfield 015B · E01023909
Middle layer super output area
Welwyn Hatfield 015 · E02004994

Postcode source versions

Explore AL9

8 recorded sales at this postcode
Address Date Price
Chewton House, 61, Calder Avenue, Brookmans Park, Hatfield, AL9 7AJ 2 August 2017 £1,475,000
Limewood House, 61a, Calder Avenue, Brookmans Park, Hatfield, AL9 7AJ 16 June 2017 £1,475,000
75, Calder Avenue, Brookmans Park, Hatfield, AL9 7AJ 1 November 2011 £750,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
28
Primary
13
Secondary
3
  1. Rhodes Wood Hospital School

    Other independent special school

    689 m
  2. Chancellor's School

    Academy converter

    813 m
  3. Queenswood School

    Other independent school

    1.2 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
175
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 74
  • Anti social behaviour 22
  • Burglary 20
  • Vehicle crime 14
  • Criminal damage and arson 10

Census 2021

Population and age profile

Postcode residents
40

20 female, 20 male

Postcode households
14
Residents per household
2.9
AL9 7 residents
7,135

Age bands in AL9 7

Wider postcode sector
Age 0 to 14
15.2%

1,104 residents

Age 15 to 24
12%

875 residents

Age 25 to 44
22.2%

1,612 residents

Age 45 to 64
28.9%

2,105 residents

Age 65 and over
21.7%

1,577 residents

This postcode contained 0.6% of the sector's usual residents on Census Day. The age profile describes the wider AL9 7 sector, not people in this individual postcode.

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

5

within 5 km

  • POTTERELLS MEDICAL CENTRE

    STATION ROAD, WELHAM GREEN, NORTH MYMMS, HATFIELD, AL9 7SN

    ODS code E82058

    2.1 km

  • ANNANDALE MEDICAL CENTRE

    THE ELMS, HIGH STREET, POTTERS BAR, EN6 5DA

    ODS code E82098

    2.5 km

  • HIGHVIEW MEDICAL CENTRE

    THE ELMS, HIGH STREET, POTTERS BAR, EN6 5DA

    ODS code E82078

    2.5 km

  • PARKFIELD MEDICAL CENTRE

    THE WALK, POTTERS BAR, EN6 1QH

    ODS code E82027

    2.8 km

  • CUFFLEY AND GOFFS OAK MEDICAL PRACTICE

    MAYNARD PLACE, CUFFLEY, POTTERS BAR, EN6 4JA

    ODS code E82081

    4.9 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

  • Mymms Drive

    BCT · Brookmans Park

    0.1 miles
  • Kentish Lane

    BCT · Brookmans Park

    0.2 miles
  • Kentish Lane

    BCT · Brookmans Park

    0.2 miles
  • Mymms Drive

    BCT · Brookmans Park

    0.2 miles
  • Moffats Lane

    BCT · Brookmans Park

    0.3 miles

Relative deprivation

English Indices of Deprivation 2025 for Welwyn Hatfield 015B, 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

32,817 of 33,755

Income
10 of 10
Employment
10 of 10
Education and skills
10 of 10
Health and disability
10 of 10
Crime
9 of 10
Housing and services
5 of 10
Living environment
8 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
6
Medium risk addresses
0
Low risk addresses
2
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

28 open schools are in scope, including 13 primary and 3 secondary schools. Rhodes Wood Hospital School is the nearest published school at 689 m.

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

Recorded crime

175 published events cover 12 months, averaging 14.583 events per published month. The largest recorded category is Violence and sexual offences with 74 events.

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