Ashtead · KT21

Plumbing compliance check in KT21 (Ashtead)? We'll point you the right way.

Covering Ashtead, including Ashtead Lanes & Common, Ashtead Park. Find plumbers nearby.

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KT21 (Ashtead) in a nutshell

KT21 covers Ashtead, in Mole Valley. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for KT21

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Mole Valley council area

KT21 is in Mole Valley's area. Some councils run their own landlord licensing, so it's worth checking theirs.

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

KT21 stretches across Ashtead Lanes & Common, Ashtead Park, so give your full postcode, not just 'KT21', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Own your home? This is for you too.

It's not just for landlords. Homeowners and buyers use these checks for peace of mind too.

Where's this from?ONS Census 2021, Ashtead: 80.9% owner-occupied
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New to plumbing compliance checks? 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

  • No single certificate: but keep water, heating and sanitation in repair.
  • Legionella: assess the risk for each let.
  • CO alarms: needed where there's a fixed combustion appliance (not gas cookers).

Always double-check on GOV.UK.

Next door to KT21

KT22 · LeatherheadKT18 · EpsomKT9 · ChessingtonKT19 · HortonKT17 · StoneleighKT6 · Surbiton

all areas

Frequently asked questions

Which areas does KT21 cover?

KT21 (Ashtead) includes the wards of Ashtead Lanes & Common, Ashtead Park (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to KT21?

Neighbouring districts include KT22 (Leatherhead), KT18 (Epsom), KT9 (Chessington), KT19 (Horton), KT17 (Stoneleigh) (ONS Postcode Directory via Doogal). A pro covering KT21 may well cover these too, so it's worth asking.

How many homes are in KT21?

About 5,400 households and 13,465 residents at the 2011 Census, across 377 active postcodes (Doogal / ONS Postcode Directory).

Which council area is KT21 in?

KT21 sits in Mole Valley (postcodes.io). Parliamentary constituency: Epsom and Ewell.

📊 The numbers behind this page
Postcode district
KT21 1
Areas covered
Ashtead 2
Active postcodes
377 3
Households (2011 Census, via Doogal)
5,400 2
Population (2011 Census, via Doogal)
13,465 2
Electoral wards
Ashtead Lanes & Common, Ashtead Park 4
Parliamentary constituencies
Epsom and Ewell 4
Local authority
Mole Valley 4
Households in converted/shared houses (Ashtead built-up area)
1.6% 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.