Cambridge · CB23
Gas safety certificate in CB23 (Cambourne – incl. Great and Lower)? We'll point you the right way.
Covering Cambourne – incl. Great and Lower, Barton, Comberton, Harlton, Great and Little Eversden, Bourn, Highfields Caldecote, Coton, Haslingfield, Kingston, Hardwick, Toft, Longstowe, Madingley, Dry Drayton, Papworth Everard, Lolworth, Bar Hill, Elsworth, Knapwell, Conington, Boxworth, Caxton, Papworth Saint Agnes, including Barrington, Caldecote, Cambourne. Find Gas Safe registered engineers nearby.
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Request a gas safety certificate in CB23 (Cambourne – incl. Great and Lower)
No gas safety engineer listed for CB23 (Cambourne – incl. Great and Lower) yet. Tell us what you need and we'll find you a registered gas safety engineer, free.
Request a gas safety certificate in CB23 (Cambourne – incl. Great and Lower)
How to check a gas safety engineer is registered: see the Cambridge page.
CB23 (Cambourne – incl. Great and Lower) in a nutshell
CB23 covers Cambourne – incl. Great and Lower, Barton, Comberton, Harlton, Great and Little Eversden, Bourn, Highfields Caldecote, Coton, Haslingfield, Kingston, Hardwick, Toft, Longstowe, Madingley, Dry Drayton, Papworth Everard, Lolworth, Bar Hill, Elsworth, Knapwell, Conington, Boxworth, Caxton, Papworth Saint Agnes, 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 CB23
Two councils in one district
CB23 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 authorityGive your full postcode
CB23 stretches across Bar Hill, Barrington, Caldecote and more, so give your full postcode, not just 'CB23', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsMostly mains gas round here
Most homes in Cambridge run on mains gas, so a standard boiler-and-hob check is what most people need.
Where's this from?
ONS Census 2021, Cambridge: 74.9% mains gas onlyEngland landlord rules: quick version
- Every year: a check by a Gas Safe registered engineer.
- Within 28 days: give your tenants a copy (new tenants get it before they move in).
- Keep it: hang on to records for at least 2 years.
More detail on the Cambridge page. Always double-check on GOV.UK.
Next door to CB23
Frequently asked questions
Which areas does CB23 cover?
CB23 (Cambourne – incl. Great and Lower, Barton, Comberton, Harlton, Great and Little Eversden, Bourn, Highfields Caldecote, Coton, Haslingfield, Kingston, Hardwick, Toft, Longstowe, Madingley, Dry Drayton, Papworth Everard, Lolworth, Bar Hill, Elsworth, Knapwell, Conington, Boxworth, Caxton, Papworth Saint Agnes) includes the wards of Bar Hill, Barrington, Caldecote, Cambourne, Caxton & Papworth, Coleridge, Girton, Hardwick, Harston & Comberton, Longstanton, Newnham, Swavesey (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to CB23?
Neighbouring districts include CB3 (Cambridge – North-West), SG8 (Royston), PE27 (St Ives), CB24 (Histon), CB4 (Cambridge – North) (ONS Postcode Directory via Doogal). A pro covering CB23 may well cover these too, so it's worth asking.
How many homes are in CB23?
About 12,187 households and 30,941 residents at the 2011 Census, across 883 active postcodes (Doogal / ONS Postcode Directory).
Which council area is CB23 in?
CB23 sits in Cambridge, South Cambridgeshire (postcodes.io). Parliamentary constituency: Cambridge, South Cambridgeshire, St Neots and Mid Cambridgeshire.
📊 The numbers behind this page
- Postcode district
- CB23 1
- Areas covered
- Cambourne – incl. Great and Lower, Barton, Comberton, Harlton, Great and Little Eversden, Bourn, Highfields Caldecote, Coton, Haslingfield, Kingston, Hardwick, Toft, Longstowe, Madingley, Dry Drayton, Papworth Everard, Lolworth, Bar Hill, Elsworth, Knapwell, Conington, Boxworth, Caxton, Papworth Saint Agnes 2
- Active postcodes
- 883 3
- Households (2011 Census, via Doogal)
- 12,187 2
- Population (2011 Census, via Doogal)
- 30,941 2
- Electoral wards
- Bar Hill, Barrington, Caldecote, Cambourne, Caxton & Papworth, Coleridge, Girton, Hardwick … 4
- Parliamentary constituencies
- Cambridge, South Cambridgeshire, St Neots and Mid Cambridgeshire 4
- Local authority
- Cambridge, South Cambridgeshire 4
- Households heated by mains gas only (Cambridge built-up area)
- 74.9% 5
- ONS Postcode Directory
- Doogal
- Doogal / ONSPD
- postcodes.io
- ONS Census 2021
Made with open data. See where it all comes from. Updated 26 October 2026.