Leatherhead · KT23

Gas safety certificate in KT23 (The Bookhams)? We'll point you the right way.

Covering The Bookhams, including Bookham East & Eastwick Park, Bookham West, Effingham. Find Gas Safe registered engineers nearby.

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Request a gas safety certificate in KT23 (The Bookhams)

No gas safety engineer listed for KT23 (The Bookhams) yet. Tell us what you need and we'll find you a registered gas safety engineer, free.

Request a gas safety certificate in KT23 (The Bookhams)

How to check a gas safety engineer is registered: see the Leatherhead page.

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KT23 (The Bookhams) in a nutshell

KT23 covers The Bookhams, in Guildford and Mole Valley. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for KT23

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Two councils in one district

KT23 is split between Guildford and Mole Valley. 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

KT23 stretches across Bookham East & Eastwick Park, Bookham West, Effingham and more, so give your full postcode, not just 'KT23', 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 Leatherhead run on mains gas, so a standard boiler-and-hob check is what most people need.

Where's this from?ONS Census 2021, Leatherhead: 74.5% 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 Leatherhead page. Always double-check on GOV.UK.

Next door to KT23

KT22 · LeatherheadKT24 · West HorsleyKT11 · CobhamRH4 · DorkingKT21 · AshteadKT10 · Esher

← Gas safety (CP12) across Leatherhead · all areas

Frequently asked questions

Which areas does KT23 cover?

KT23 (The Bookhams) includes the wards of Bookham East & Eastwick Park, Bookham West, Effingham, Leatherhead South (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to KT23?

Neighbouring districts include KT22 (Leatherhead), KT24 (West Horsley), KT11 (Cobham), RH4 (Dorking), KT21 (Ashtead) (ONS Postcode Directory via Doogal). A pro covering KT23 may well cover these too, so it's worth asking.

How many homes are in KT23?

About 4,693 households and 11,054 residents at the 2011 Census, across 376 active postcodes (Doogal / ONS Postcode Directory).

Which council area is KT23 in?

KT23 sits in Guildford, Mole Valley (postcodes.io). Parliamentary constituency: Dorking and Horley, Epsom and Ewell, Guildford.

📊 The numbers behind this page
Postcode district
KT23 1
Areas covered
The Bookhams 2
Active postcodes
376 3
Households (2011 Census, via Doogal)
4,693 2
Population (2011 Census, via Doogal)
11,054 2
Electoral wards
Bookham East & Eastwick Park, Bookham West, Effingham, Leatherhead South 4
Parliamentary constituencies
Dorking and Horley, Epsom and Ewell, Guildford 4
Local authority
Guildford, Mole Valley 4
Households heated by mains gas only (Leatherhead built-up area)
74.5% 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.