Cambridge · CB3

EPC in CB3 (Cambridge – North-West)? We'll point you the right way.

Covering Cambridge – North-West, Girton, including Castle, Harston & Comberton, Market. Find accredited domestic energy assessors nearby.

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Request an EPC in CB3 (Cambridge – North-West)

No EPC assessor listed for CB3 (Cambridge – North-West) yet. Tell us what you need and we'll find you a registered EPC assessor, free.

Request an EPC in CB3 (Cambridge – North-West)

How to check an EPC assessor is registered: see the Cambridge page.

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CB3 (Cambridge – North-West) in a nutshell

CB3 covers Cambridge – North-West, Girton, 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 CB3

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Two councils in one district

CB3 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

CB3 stretches across Castle, Girton, Harston & Comberton and more, so give your full postcode, not just 'CB3', when you ask for quotes.

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

Lots of old CB3 postcodes have been retired. If an old letter shows a different postcode, use your current one.

Where's this from?Doogal/ONSPD: 418 of 1,509 postcodes active
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New to EPCs? 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

  • When you let: you need a valid EPC, usually good for 10 years.
  • Minimum E: most private lets need E or better, unless exempt.

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

Next door to CB3

CB23 · Cambourne – incl. Great and LowerCB24 · HistonCB4 · Cambridge – NorthCB2 · Cambridge – WestCB1 · Cambridge – Central and SouthCB22 · Babraham

← Energy Performance Certificate (EPC) across Cambridge · all areas

Frequently asked questions

Which areas does CB3 cover?

CB3 (Cambridge – North-West, Girton) includes the wards of Castle, Girton, Harston & Comberton, Market, Newnham, West Chesterton (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to CB3?

Neighbouring districts include CB23 (Cambourne – incl. Great and Lower), CB24 (Histon), CB4 (Cambridge – North), CB2 (Cambridge – West), CB1 (Cambridge – Central and South) (ONS Postcode Directory via Doogal). A pro covering CB3 may well cover these too, so it's worth asking.

How many homes are in CB3?

About 4,662 households and 16,104 residents at the 2011 Census, across 418 active postcodes (Doogal / ONS Postcode Directory).

Which council area is CB3 in?

CB3 sits in Cambridge, South Cambridgeshire (postcodes.io). Parliamentary constituency: Cambridge, South Cambridgeshire, St Neots and Mid Cambridgeshire.

📊 The numbers behind this page
Postcode district
CB3 1
Areas covered
Cambridge – North-West, Girton 2
Active postcodes
418 3
Households (2011 Census, via Doogal)
4,662 2
Population (2011 Census, via Doogal)
16,104 2
Electoral wards
Castle, Girton, Harston & Comberton, Market, Newnham, West Chesterton 4
Parliamentary constituencies
Cambridge, South Cambridgeshire, St Neots and Mid Cambridgeshire 4
Local authority
Cambridge, South Cambridgeshire 4
Households privately renting (Cambridge built-up area)
31.6% 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.