W4 3AS

Chiswick Riverside · Hounslow · England

Updated September 2026

Compare this postcode

Location overview

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Post town
London
Local authority
Hounslow
Postcode district
W4
Postcode sector
W4 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
W4 3AA 36 m
W4 3AQ 50 m
W4 3AR 51 m
W4 3AD 88 m
W4 3AT 98 m
Complete postcode fields and official codes
Postcode
W4 3AS
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
W
Postcode district
W4
Postcode sector
W4 3
Latitude
51.490587
Longitude
-0.282493
British National Grid easting
519,336
British National Grid northing
178,247

Statistical and administrative geographies

Country
England · E92000001
Region
London · E12000007
Local authority district
Hounslow · E09000018
Parish or community
E43000208
Westminster constituency
Hammersmith and Chiswick · E14001264
Output area
E00012854
Lower layer super output area
Hounslow 008C · E01002580
Middle layer super output area
Hounslow 008 · E02000533

Postcode source versions

Explore W4

Use the wider postcode district to compare the same evidence across more locations.

Property

At this postcode

View all property records
34 recorded sales at this postcode
Address Date Price
4, Clarence Road, London, W4 3AS 29 November 2024 £422,000
17, Clarence Road, London, W4 3AS 1 March 2024 £875,000
1a, Clarence Road, London, W4 3AS 1 July 2022 £1,750,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
187
Primary
87
Secondary
25
  1. Kew House

    Other independent school

    313 m
  2. Strand-on-the-Green Infant and Nursery School

    Community school

    378 m
  3. Strand-on-the-Green Junior School

    Community school

    378 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
5,166
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 1,232
  • Vehicle crime 778
  • Anti social behaviour 734
  • Shoplifting 501
  • Other theft 494

Census 2021

Population and age profile

Postcode residents
70

43 female, 27 male

Postcode households
36
Residents per household
1.9
W4 3 residents
11,400

Age bands in W4 3

Wider postcode sector
Age 0 to 14
18%

2,085 residents

Age 15 to 24
9.5%

1,102 residents

Age 25 to 44
29.7%

3,451 residents

Age 45 to 64
27.3%

3,175 residents

Age 65 and over
15.5%

1,799 residents

This postcode contained 0.6% of the sector's usual residents on Census Day. The age profile describes the wider W4 3 sector, not people in this individual postcode.

How to read these estimates
The standard postcode headcounts and the commissioned age table are separate ONS outputs. Small counts are disclosure-controlled, and totals can differ slightly between tables. Coverage is England and Wales only.

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%
Coverage is a modelled postcode-level snapshot, not a speed test or a guarantee for a named property. Check availability with providers before making a decision. Ofcom does not publish postcode-level full-fibre coverage in this release for commercial-confidentiality reasons.

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

NHS ODS

GP practices

74

within 5 km

  • GROVE PARK TERRACE SURGERY

    25 GROVE PARK TERRACE, CHISWICK, LONDON, W4 3JL

    ODS code E85746

    917 m

  • CHISWICK FAMILY PRACTICE

    UNIT A, KELTON HOUSE, CORBET GARDENS, LONDON, W3 8TF

    ODS code E85130

    1.4 km

  • GP SURGERY @ ACTON GARDENS

    UNIT A, KELTON HOUSE, CORBET GARDENS, LONDON, W3 8TF

    ODS code E85075

    1.4 km

  • THE BEDFORD PARK SURGERY

    55 SOUTH PARADE, CHISWICK, LONDON, W4 5LH

    ODS code E85066

    1.5 km

  • HOLLY ROAD MEDICAL CENTRE

    2A HOLLY ROAD, CHISWICK, LONDON, W4 1NU

    ODS code E85658

    1.6 km

  • CHISWICK MEDICAL PRACTICE

    95 BURLINGTON LANE, CHISWICK, LONDON, W4 3ET

    ODS code E85693

    1.6 km

  • CHISWICK HEALTH PRACTICE

    FISHERS LANE, LONDON, W4 1RX

    ODS code E85030

    1.6 km

  • WEST4 GPS

    CHISWICK HEALTH CENTRE, FISHERS LANE, LONDON, W4 1RX

    ODS code E85040

    1.6 km

  • KEW MEDICAL PRACTICE

    14 HIGH PARK ROAD, KEW, RICHMOND, TW9 4BH

    ODS code H84639

    1.6 km

  • THE MILL HILL SURGERY

    111 AVENUE ROAD, ACTON, LONDON, W3 8QH

    ODS code E85107

    1.7 km

  • ACTON LANE MEDICAL CENTRE

    253 ACTON LANE, LONDON, W4 5DG

    ODS code E85687

    1.7 km

  • EALING PARK HEALTH CENTRE

    195A SOUTH EALING ROAD, EALING, LONDON, W5 4RH

    ODS code E85657

    1.8 km

  • GLEBE STREET SURGERY

    1 GLEBE STREET, CHISWICK, LONDON, W4 2BD

    ODS code E85683

    1.8 km

  • THE ACTON HEALTH CENTRE

    35-61 CHURCH ROAD, ACTON, LONDON, W3 8QE

    ODS code E85109

    1.9 km

  • ALBANY PRACTICE

    BRENTFORD HEALTH CENTRE, BOSTON MANOR ROAD, BRENTFORD, TW8 8DS

    ODS code E85004

    2.0 km

  • BRENTFORD FAMILY PRACTICE

    BOSTON MANOR ROAD, BRENTFORD, TW8 8DS

    ODS code E85735

    2.0 km

  • BRENTFORD GROUP PRACTICE

    BOSTON MANOR ROAD, BRENTFORD, TW8 8DS

    ODS code E85605

    2.0 km

  • CROWN STREET SURGERY

    2 LOMBARD COURT, CROWN STREET, ACTON, LONDON, W3 8SA

    ODS code E85019

    2.0 km

  • HILLCREST SURGERY

    GROUND FLOOR, 23-31 KING STREET, LONDON, W3 9LA

    ODS code E85028

    2.1 km

  • THE CHURCHFIELD ROAD SURGERY

    64 CHURCHFIELD ROAD, ACTON, LONDON, W3 6DL

    ODS code E85640

    2.3 km

Showing 20 of 74 matching practices.

Organisation records, not service availability
These are records marked active in NHS England's Organisation Data Service for England and Wales. Branch surgeries, pharmacies, dentists and hospitals are not included. They do not confirm patient registration, services, opening hours, appointments or care quality. Distances are straight-line from the postcode point.

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

Nearby transport

  • Brentford Fountain Leisure Centre

    BCT · Gunnersbury

    0.1 miles
  • Brentford Fountain Leisure Centre

    BCT · Gunnersbury

    0.1 miles
  • Chiswick Roundabout / Gunnersbry

    BCT · Gunnersbury

    0.1 miles
  • Power Road

    BCT · Gunnersbury

    0.2 miles
  • Chiswick Roundabout / Gunnersbry

    BCT · Gunnersbury

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Hounslow 008C, 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

4 of 10

Overall England rank

13,277 of 33,755

Income
5 of 10
Employment
5 of 10
Education and skills
8 of 10
Health and disability
6 of 10
Crime
4 of 10
Housing and services
1 of 10
Living environment
2 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
3
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

A factual reading of the data in this report's scope. It is not a location score or a recommendation.

Property market

Recorded sales

The five-year median is £875,000 from 3 recorded sales in W4 3AS. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Hounslow is £512,888 in June 2026, up 1.1% year on year.

Schools

Published establishments

187 open schools are in scope, including 87 primary and 25 secondary schools. Kew House is the nearest published school at 313 m.

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

Recorded crime

Published police records

5,166 published events cover 12 months, averaging 430.5 events per published month. The largest recorded category is Violence and sexual offences with 1,232 events.

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