Hounslow · TW3

EICR in TW3 (Hounslow)? We'll point you the right way.

Covering Hounslow, Maswell Park, Lampton, including Heathfield, Heston Central, Heston East. Find qualified electricians nearby.

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Request an EICR in TW3 (Hounslow)

How to check an electrician is registered: see the Hounslow page.

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TW3 (Hounslow) in a nutshell

TW3 covers Hounslow, Maswell Park, Lampton, in Hounslow and Richmond upon Thames. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for TW3

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Two councils in one district

TW3 is split between Hounslow and Richmond upon Thames. 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

TW3 stretches across Heathfield, Heston Central, Heston East and more, so give your full postcode, not just 'TW3', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Postcodes change here

Lots of old TW3 postcodes have been retired. If an old letter shows a different postcode, use your current one.

Where's this from?Doogal/ONSPD: 787 of 1,622 postcodes active
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New to EICRs? 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 5 years: an electrical inspection and test by a qualified person.
  • Within 28 days: give your tenants a copy of the report.
  • If asked: send it to the council within 7 days.

More detail on the Hounslow page. Always double-check on GOV.UK.

Next door to TW3

TW4 · Hounslow WestTW5 · HestonTW2 · WhittonTW7 · IsleworthUB2 · SouthallTW1 · Twickenham

← Electrical safety (EICR) across Hounslow · all areas

Frequently asked questions

Which areas does TW3 cover?

TW3 (Hounslow, Maswell Park, Lampton) includes the wards of Heathfield, Heston Central, Heston East, Hounslow Central, Hounslow East, Hounslow Heath, Hounslow South, Hounslow West, Whitton (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to TW3?

Neighbouring districts include TW4 (Hounslow West), TW5 (Heston), TW2 (Whitton), TW7 (Isleworth), UB2 (Southall) (ONS Postcode Directory via Doogal). A pro covering TW3 may well cover these too, so it's worth asking.

How many homes are in TW3?

About 13,413 households and 39,598 residents at the 2011 Census, across 787 active postcodes (Doogal / ONS Postcode Directory).

Which council area is TW3 in?

TW3 sits in Hounslow, Richmond upon Thames (postcodes.io). Parliamentary constituency: Brentford and Isleworth, Feltham and Heston, Twickenham.

📊 The numbers behind this page
Postcode district
TW3 1
Areas covered
Hounslow, Maswell Park, Lampton 2
Active postcodes
787 3
Households (2011 Census, via Doogal)
13,413 2
Population (2011 Census, via Doogal)
39,598 2
Electoral wards
Heathfield, Heston Central, Heston East, Hounslow Central, Hounslow East, Hounslow Heath, Hounslow South, Hounslow West … 4
Parliamentary constituencies
Brentford and Isleworth, Feltham and Heston, Twickenham 4
Local authority
Hounslow, Richmond upon Thames 4
Households privately renting (Hounslow built-up area)
30.9% 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.