Bedford · MK40

Plumbing compliance check in MK40 (Biddenham)? We'll point you the right way.

Covering Biddenham, Castle, De Parys, Great Denham, Harpur, Queens Park, including Castle & Newnham, Greyfriars, Kingsbrook. Find plumbers nearby.

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Request a plumbing compliance check in MK40 (Biddenham)

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MK40 (Biddenham) in a nutshell

MK40 covers Biddenham, Castle, De Parys, Great Denham, Harpur, Queens Park, in Bedford. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for MK40

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Bedford council area

MK40 is in Bedford'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

MK40 stretches across Biddenham, Castle & Newnham, De Parys and more, so give your full postcode, not just 'MK40', when you ask for quotes.

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

Lots of old MK40 postcodes have been retired. If an old letter shows a different postcode, use your current one.

Where's this from?Doogal/ONSPD: 930 of 1,576 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 Bedford page. Always double-check on GOV.UK.

Next door to MK40

MK42 · CauldwellMK41 · BrickhillMK43 · Bourne EndMK44 · BegwaryMK45 · AmpthillSG19 · Potton

← Plumbing & water compliance across Bedford · all areas

Frequently asked questions

Which areas does MK40 cover?

MK40 (Biddenham, Castle, De Parys, Great Denham, Harpur, Queens Park) includes the wards of Biddenham, Castle & Newnham, De Parys, Great Denham, Greyfriars, Harpur, Kingsbrook, Queens Park (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to MK40?

Neighbouring districts include MK42 (Cauldwell), MK41 (Brickhill), MK43 (Bourne End), MK44 (Begwary), MK45 (Ampthill) (ONS Postcode Directory via Doogal). A pro covering MK40 may well cover these too, so it's worth asking.

How many homes are in MK40?

About 12,768 households and 31,008 residents at the 2011 Census, across 930 active postcodes (Doogal / ONS Postcode Directory).

Which council area is MK40 in?

MK40 sits in Bedford (postcodes.io). Parliamentary constituency: Bedford, North Bedfordshire.

📊 The numbers behind this page
Postcode district
MK40 1
Areas covered
Biddenham, Castle, De Parys, Great Denham, Harpur, Queens Park 2
Active postcodes
930 3
Households (2011 Census, via Doogal)
12,768 2
Population (2011 Census, via Doogal)
31,008 2
Electoral wards
Biddenham, Castle & Newnham, De Parys, Great Denham, Greyfriars, Harpur, Kingsbrook, Queens Park 4
Parliamentary constituencies
Bedford, North Bedfordshire 4
Local authority
Bedford 4
Households in converted/shared houses (Bedford built-up area)
4.8% 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.