Cambridge · CB4

Plumbing compliance check in CB4 (Cambridge – North)? We'll point you the right way.

Covering Cambridge – North, including Arbury, Castle, Coleridge. Find plumbers nearby.

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CB4 (Cambridge – North) in a nutshell

CB4 covers Cambridge – North, in Cambridge and South Cambridgeshire. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for CB4

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Two councils in one district

CB4 is split between Cambridge and South Cambridgeshire. 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

CB4 stretches across Arbury, Castle, Coleridge and more, so give your full postcode, not just 'CB4', when you ask for quotes.

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

Lots of old CB4 postcodes have been retired. If an old letter shows a different postcode, use your current one.

Where's this from?Doogal/ONSPD: 903 of 2,524 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 Cambridge page. Always double-check on GOV.UK.

Next door to CB4

← Plumbing & water compliance across Cambridge · all areas

Frequently asked questions

Which areas does CB4 cover?

CB4 (Cambridge – North) includes the wards of Arbury, Castle, Coleridge, East Chesterton, Histon & Impington, King's Hedges, Market, Milton & Waterbeach, West Chesterton (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to CB4?

Neighbouring districts include CB24 (Histon), CB2 (Cambridge – West), CB5 (Cambridge – East), CB1 (Cambridge – Central and South), CB3 (Cambridge – North-West) (ONS Postcode Directory via Doogal). A pro covering CB4 may well cover these too, so it's worth asking.

How many homes are in CB4?

About 17,822 households and 41,924 residents at the 2011 Census, across 903 active postcodes (Doogal / ONS Postcode Directory).

Which council area is CB4 in?

CB4 sits in Cambridge, South Cambridgeshire (postcodes.io). Parliamentary constituency: Cambridge, Ely and East Cambridgeshire, St Neots and Mid Cambridgeshire.

📊 The numbers behind this page
Postcode district
CB4 1
Areas covered
Cambridge – North 2
Active postcodes
903 3
Households (2011 Census, via Doogal)
17,822 2
Population (2011 Census, via Doogal)
41,924 2
Electoral wards
Arbury, Castle, Coleridge, East Chesterton, Histon & Impington, King's Hedges, Market, Milton & Waterbeach … 4
Parliamentary constituencies
Cambridge, Ely and East Cambridgeshire, St Neots and Mid Cambridgeshire 4
Local authority
Cambridge, South Cambridgeshire 4
Households in converted/shared houses (Cambridge built-up area)
3.0% 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.