AL7 4SZ

Hollybush · Welwyn Hatfield · England

Updated September 2026

Compare this postcode

Location overview

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Local authority
Welwyn Hatfield
Constituency
Welwyn Hatfield
Postcode district
AL7
Postcode sector
AL7 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
AL7 4SL 39 m
AL7 4TA 79 m
AL7 4SN 84 m
AL7 4ST 115 m
AL7 4SJ 126 m
Complete postcode fields and official codes
Postcode
AL7 4SZ
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
AL
Postcode district
AL7
Postcode sector
AL7 4
Latitude
51.790001
Longitude
-0.204615
British National Grid easting
523,924
British National Grid northing
211,673

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
Welwyn Hatfield · E07000241
Electoral ward
Hollybush · E05011065
Parish or community
E43000083
Westminster constituency
Welwyn Hatfield · E14001573
Output area
E00121561
Lower layer super output area
Welwyn Hatfield 009B · E01023940
Middle layer super output area
Welwyn Hatfield 009 · E02004988

Postcode source versions

Explore AL7

3 recorded sales at this postcode
Address Date Price
5, Burrowfield, Welwyn Garden City, AL7 4SZ 20 September 2006 £209,500
5, Burrowfield, Welwyn Garden City, AL7 4SZ 9 August 2001 £117,500
5, Burrowfield, Welwyn Garden City, AL7 4SZ 19 August 1996 £70,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
44
Primary
29
Secondary
5
  1. Our Lady Catholic Primary School

    Voluntary aided school

    300 m
  2. Creswick Academy

    Academy sponsor led

    327 m
  3. Ludwick Nursery School

    Local authority nursery school

    767 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
2,940
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 1,032
  • Shoplifting 517
  • Anti social behaviour 491
  • Public order 178
  • Criminal damage and arson 169

Census 2021

Population and age profile

Postcode residents
7

3 female, 4 male

Postcode households
3
Residents per household
2.3
AL7 4 residents
11,663

Age bands in AL7 4

Wider postcode sector
Age 0 to 14
22%

2,536 residents

Age 15 to 24
10.6%

1,226 residents

Age 25 to 44
30.5%

3,529 residents

Age 45 to 64
24.3%

2,809 residents

Age 65 and over
12.6%

1,452 residents

This postcode contained 0.1% of the sector's usual residents on Census Day. The age profile describes the wider AL7 4 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

8

within 5 km

  • THE GARDEN CITY PRACTICE

    BIRDCROFT ROAD, WELWYN GARDEN CITY, AL8 6EH

    ODS code E82041

    858 m

  • PEARTREE LANE SURGERY

    110 PEARTREE LANE, WELWYN GARDEN CITY, AL7 3UJ

    ODS code E82040

    909 m

  • SPRING HOUSE HEALTH

    SPRING HOUSE SITE, ASCOTS LANE, WELWYN GARDEN CITY, AL7 4HL

    ODS code Y02639

    1.3 km

  • HALL GROVE GROUP PRACTICE

    4 HALL GROVE, WELWYN GARDEN CITY, AL7 4PL

    ODS code E82062

    1.6 km

  • WRAFTON HOUSE SURGERY

    9-11 WELLFIELD ROAD, HATFIELD, AL10 0BS

    ODS code E82002

    3.1 km

  • LISTER HOUSE SURGERY

    THE COMMON, HATFIELD, AL10 0NL

    ODS code E82018

    3.2 km

  • BURVILL HOUSE SURGERY

    52-54 DELLFIELD ROAD, HATFIELD, AL10 8HP

    ODS code E82023

    3.6 km

  • BRIDGE COTTAGE SURGERY

    41 HIGH STREET, WELWYN, AL6 9EF

    ODS code E82019

    4.5 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

  • Burrowfield

    BCT · Welwyn Garden City

    0.0 miles
  • Burrowfield

    BCT · Welwyn Garden City

    0.0 miles
  • Chequersfield

    BCT · Welwyn Garden City

    0.3 miles
  • Broadwater Crescent

    BCT · Welwyn Garden City

    0.3 miles
  • Leigh Common

    BCT · Welwyn Garden City

    0.3 miles

Relative deprivation

English Indices of Deprivation 2025 for Welwyn Hatfield 009B, 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

7 of 10

Overall England rank

21,539 of 33,755

Income
5 of 10
Employment
6 of 10
Education and skills
6 of 10
Health and disability
7 of 10
Crime
4 of 10
Housing and services
9 of 10
Living environment
9 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

44 open schools are in scope, including 29 primary and 5 secondary schools. Our Lady Catholic Primary School is the nearest published school at 300 m.

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

Recorded crime

2,940 published events cover 12 months, averaging 245 events per published month. The largest recorded category is Violence and sexual offences with 1,032 events.

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