High Wycombe · HP11

Plumbing compliance check in HP11 (Wycombe Marsh)? We'll point you the right way.

Covering Wycombe Marsh, including Abbey, Booker & Cressex, Castlefield & Oakridge. Find plumbers nearby.

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Request a plumbing compliance check in HP11 (Wycombe Marsh)

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HP11 (Wycombe Marsh) in a nutshell

HP11 covers Wycombe Marsh, in Buckinghamshire. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for HP11

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Buckinghamshire council area

HP11 is in Buckinghamshire'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

HP11 stretches across Abbey, Booker & Cressex, Castlefield & Oakridge and more, so give your full postcode, not just 'HP11', when you ask for quotes.

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

Lots of old HP11 postcodes have been retired. If an old letter shows a different postcode, use your current one.

Where's this from?Doogal/ONSPD: 492 of 1,014 postcodes active
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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).

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

Next door to HP11

HP13 · High WycombeHP12 · High WycombeHP10 · High WycombeHP15 · Cryers HillSL7 · BishamSL8 · Bourne End

← Plumbing & water compliance across High Wycombe · all areas

Frequently asked questions

Which areas does HP11 cover?

HP11 (Wycombe Marsh) includes the wards of Abbey, Booker & Cressex, Castlefield & Oakridge, Marsh & Micklefield, Penn, Tylers Green & Loudwater (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to HP11?

Neighbouring districts include HP13 (High Wycombe), HP12 (High Wycombe), HP10 (High Wycombe), HP15 (Cryers Hill), SL7 (Bisham) (ONS Postcode Directory via Doogal). A pro covering HP11 may well cover these too, so it's worth asking.

How many homes are in HP11?

About 5,418 households and 14,229 residents at the 2011 Census, across 492 active postcodes (Doogal / ONS Postcode Directory).

Which council area is HP11 in?

HP11 sits in Buckinghamshire (postcodes.io). Parliamentary constituency: Wycombe.

📊 The numbers behind this page
Postcode district
HP11 1
Areas covered
Wycombe Marsh 2
Active postcodes
492 3
Households (2011 Census, via Doogal)
5,418 2
Population (2011 Census, via Doogal)
14,229 2
Electoral wards
Abbey, Booker & Cressex, Castlefield & Oakridge, Marsh & Micklefield, Penn, Tylers Green & Loudwater 4
Parliamentary constituencies
Wycombe 4
Local authority
Buckinghamshire 4
Households in converted/shared houses (High Wycombe built-up area)
3.6% 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.