Walton-on-Thames · KT12

Gas safety certificate in KT12 (Walton-on-Thames)? We'll point you the right way.

Covering Walton-on-Thames, Hersham, including Esher, Hersham Village, Oatlands and Burwood Park. Find Gas Safe registered engineers nearby.

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KT12 (Walton-on-Thames) in a nutshell

KT12 covers Walton-on-Thames, Hersham, in Elmbridge and Spelthorne. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for KT12

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Two councils in one district

KT12 is split between Elmbridge and Spelthorne. 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

KT12 stretches across Esher, Hersham Village, Oatlands and Burwood Park and more, so give your full postcode, not just 'KT12', 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 Walton-on-Thames run on mains gas, so a standard boiler-and-hob check is what most people need.

Where's this from?ONS Census 2021, Walton-on-Thames: 77.4% 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.

Always double-check on GOV.UK.

Next door to KT12

TW16 · Sunbury-on-thamesKT13 · WeybridgeKT11 · CobhamKT10 · EsherTW17 · SheppertonKT8 · West Molesey

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Frequently asked questions

Which areas does KT12 cover?

KT12 (Walton-on-Thames, Hersham) includes the wards of Esher, Hersham Village, Oatlands and Burwood Park, Shepperton Town, Walton Central, Walton North, Walton South, Weybridge Riverside, Weybridge St George's Hill (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to KT12?

Neighbouring districts include TW16 (Sunbury-on-thames), KT13 (Weybridge), KT11 (Cobham), KT10 (Esher), TW17 (Shepperton) (ONS Postcode Directory via Doogal). A pro covering KT12 may well cover these too, so it's worth asking.

How many homes are in KT12?

About 15,090 households and 36,293 residents at the 2011 Census, across 999 active postcodes (Doogal / ONS Postcode Directory).

Which council area is KT12 in?

KT12 sits in Elmbridge, Spelthorne (postcodes.io). Parliamentary constituency: Esher and Walton, Runnymede and Weybridge, Spelthorne.

📊 The numbers behind this page
Postcode district
KT12 1
Areas covered
Walton-on-Thames, Hersham 2
Active postcodes
999 3
Households (2011 Census, via Doogal)
15,090 2
Population (2011 Census, via Doogal)
36,293 2
Electoral wards
Esher, Hersham Village, Oatlands and Burwood Park, Shepperton Town, Walton Central, Walton North, Walton South, Weybridge Riverside … 4
Parliamentary constituencies
Esher and Walton, Runnymede and Weybridge, Spelthorne 4
Local authority
Elmbridge, Spelthorne 4
Households heated by mains gas only (Walton-on-Thames built-up area)
77.4% 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.