Harwich · CO12

Plumbing compliance check in CO12 (Harwich)? We'll point you the right way.

Covering Harwich, including Dovercourt All Saints, Dovercourt Bay, Dovercourt Tollgate. Find plumbers nearby.

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CO12 (Harwich) in a nutshell

CO12 covers Harwich, in Tendring. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for CO12

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Tendring council area

CO12 is in Tendring'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

CO12 stretches across Dovercourt All Saints, Dovercourt Bay, Dovercourt Tollgate and more, so give your full postcode, not just 'CO12', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Busy rental market: book early

Lots of people rent in Harwich, so if you're letting, book a few weeks before a tenancy starts or renews. No last-minute panic.

Where's this from?ONS Census 2021, Harwich: 22.4% private rented vs 20.5% England
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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 Harwich page. Always double-check on GOV.UK.

Next door to CO12

CO14 · Walton On The NazeIP10 · KirtonCO13 · Frinton-on-SeaIP11 · FelixstoweIP5 · Rushmere St AndrewIP9 · Shotley Peninsula: Capel St Mary

← Plumbing & water compliance across Harwich · all areas

Frequently asked questions

Which areas does CO12 cover?

CO12 (Harwich) includes the wards of Dovercourt All Saints, Dovercourt Bay, Dovercourt Tollgate, Dovercourt Vines & Parkeston, Harwich & Kingsway, Stour Valley, The Oakleys & Wix, Thorpe, Beaumont & Great Holland (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to CO12?

Neighbouring districts include CO14 (Walton On The Naze), IP10 (Kirton), CO13 (Frinton-on-Sea), IP11 (Felixstowe), IP5 (Rushmere St Andrew) (ONS Postcode Directory via Doogal). A pro covering CO12 may well cover these too, so it's worth asking.

How many homes are in CO12?

About 9,751 households and 22,251 residents at the 2011 Census, across 644 active postcodes (Doogal / ONS Postcode Directory).

Which council area is CO12 in?

CO12 sits in Tendring (postcodes.io). Parliamentary constituency: Clacton, Harwich and North Essex.

📊 The numbers behind this page
Postcode district
CO12 1
Areas covered
Harwich 2
Active postcodes
644 3
Households (2011 Census, via Doogal)
9,751 2
Population (2011 Census, via Doogal)
22,251 2
Electoral wards
Dovercourt All Saints, Dovercourt Bay, Dovercourt Tollgate, Dovercourt Vines & Parkeston, Harwich & Kingsway, Stour Valley, The Oakleys & Wix, Thorpe, Beaumont & Great Holland 4
Parliamentary constituencies
Clacton, Harwich and North Essex 4
Local authority
Tendring 4
Households in converted/shared houses (Harwich built-up area)
2.7% 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.