Hammersmith and Fulham · W3

Gas safety certificate in W3 (Acton)? We'll point you the right way.

Covering Acton, East Acton, Park Royal, West Acton, including Chiswick Gunnersbury, College Park & Old Oak, Ealing Common. Find Gas Safe registered engineers nearby.

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Request a gas safety certificate in W3 (Acton)

No gas safety engineer listed for W3 (Acton) yet. Tell us what you need and we'll find you a registered gas safety engineer, free.

Request a gas safety certificate in W3 (Acton)

How to check a gas safety engineer is registered: see the Hammersmith and Fulham page.

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W3 (Acton) in a nutshell

W3 covers Acton, East Acton, Park Royal, West Acton, in Ealing and Hammersmith and Fulham and Hounslow. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for W3

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Two councils in one district

W3 is split between Ealing and Hammersmith and Fulham and Hounslow. Some councils run their own landlord licensing, so check which one your home is in.

Where's this from?postcodes.io (ONSPD) local authority
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Give your full postcode

W3 stretches across Chiswick Gunnersbury, College Park & Old Oak, Ealing Common and more, so give your full postcode, not just 'W3', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Mostly mains gas round here

Most homes in Hammersmith and Fulham run on mains gas, so a standard boiler-and-hob check is what most people need.

Where's this from?ONS Census 2021, Hammersmith and Fulham: 69.0% mains gas only
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New to gas safety certificates? Here's what to expect, how to get ready and what it costs, in plain English. Read the quick guide →

England landlord rules: quick version

  • Every year: a check by a Gas Safe registered engineer.
  • Within 28 days: give your tenants a copy (new tenants get it before they move in).
  • Keep it: hang on to records for at least 2 years.

More detail on the Hammersmith and Fulham page. Always double-check on GOV.UK.

Next door to W3

W4 · ChiswickW12 · Shepherds BushW5 · EalingSW14 · MortlakeNW10 · WillesdenW11 · Notting Hill

← Gas safety (CP12) across Hammersmith and Fulham · all areas

Frequently asked questions

Which areas does W3 cover?

W3 (Acton, East Acton, Park Royal, West Acton) includes the wards of Chiswick Gunnersbury, College Park & Old Oak, Ealing Common, East Acton, Hanger Hill, North Acton, South Acton, Southfield, Wendell Park, Wormholt (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to W3?

Neighbouring districts include W4 (Chiswick), W12 (Shepherds Bush), W5 (Ealing), SW14 (Mortlake), NW10 (Willesden) (ONS Postcode Directory via Doogal). A pro covering W3 may well cover these too, so it's worth asking.

How many homes are in W3?

About 20,686 households and 52,043 residents at the 2011 Census, across 1,158 active postcodes (Doogal / ONS Postcode Directory).

Which council area is W3 in?

W3 sits in Ealing, Hammersmith and Fulham, Hounslow (postcodes.io). Parliamentary constituency: Ealing Central and Acton, Hammersmith and Chiswick.

📊 The numbers behind this page
Postcode district
W3 1
Areas covered
Acton, East Acton, Park Royal, West Acton 2
Active postcodes
1,158 3
Households (2011 Census, via Doogal)
20,686 2
Population (2011 Census, via Doogal)
52,043 2
Electoral wards
Chiswick Gunnersbury, College Park & Old Oak, Ealing Common, East Acton, Hanger Hill, North Acton, South Acton, Southfield … 4
Parliamentary constituencies
Ealing Central and Acton, Hammersmith and Chiswick 4
Local authority
Ealing, Hammersmith and Fulham, Hounslow 4
Households heated by mains gas only (Hammersmith and Fulham built-up area)
69.0% 5
  1. ONS Postcode Directory
  2. Doogal
  3. Doogal / ONSPD
  4. postcodes.io
  5. ONS Census 2021

Made with open data. See where it all comes from. Updated 26 October 2026.