Birmingham · B31
Gas safety certificate in B31 (Northfield)? We'll point you the right way.
Covering Northfield, including Allens Cross, Barnt Green & Hopwood, Bartley Green. Find Gas Safe registered engineers nearby.
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Request a gas safety certificate in B31 (Birmingham)
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Request a gas safety certificate in B31 (Birmingham)
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B31 (Northfield) in a nutshell
B31 covers Northfield, in Birmingham and Bromsgrove. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for B31
Two councils in one district
B31 is split between Birmingham and Bromsgrove. 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
B31 stretches across Allens Cross, Barnt Green & Hopwood, Bartley Green and more, so give your full postcode, not just 'B31', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsMostly mains gas round here
Most homes in Birmingham run on mains gas, so a standard boiler-and-hob check is what most people need.
Where's this from?
ONS Census 2021, Birmingham: 74.2% 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 Birmingham page. Always double-check on GOV.UK.
Next door to B31
Frequently asked questions
Which areas does B31 cover?
B31 (Northfield) includes the wards of Allens Cross, Barnt Green & Hopwood, Bartley Green, Belbroughton & Romsley, Bournville & Cotteridge, Cofton, Frankley Great Park, King's Norton North, Longbridge & West Heath, Northfield, Weoley & Selly Oak (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to B31?
Neighbouring districts include B38 (Kings Norton), B45 (Rednal), B29 (Selly Oak), B30 (Bournville) (ONS Postcode Directory via Doogal). A pro covering B31 may well cover these too, so it's worth asking.
How many homes are in B31?
About 22,747 households and 53,794 residents at the 2011 Census, across 1,164 active postcodes (Doogal / ONS Postcode Directory).
Which council area is B31 in?
B31 sits in Birmingham, Bromsgrove (postcodes.io). Parliamentary constituency: Birmingham Edgbaston, Birmingham Northfield, Birmingham Selly Oak, Bromsgrove.
📊 The numbers behind this page
- Postcode district
- B31 Source: ONS Postcode Directory
- Areas covered
- Northfield Source: Doogal
- Active postcodes
- 1,164 Source: Doogal / ONSPD
- Households (2011 Census, via Doogal)
- 22,747 Source: Doogal
- Population (2011 Census, via Doogal)
- 53,794 Source: Doogal
- Electoral wards
- Allens Cross, Barnt Green & Hopwood, Bartley Green, Belbroughton & Romsley, Bournville & Cotteridge, Cofton, Frankley Great Park, King's Norton North … Source: postcodes.io
- Parliamentary constituencies
- Birmingham Edgbaston, Birmingham Northfield, Birmingham Selly Oak, Bromsgrove Source: postcodes.io
- Local authority
- Birmingham, Bromsgrove Source: postcodes.io
- Households heated by mains gas only (Birmingham LA)
- 74.2% Source: ONS Census 2021
Made with open data. See where it all comes from. Updated 23 October 2026.