Liverpool · L23
Gas safety certificate in L23 (Blundellsands)? We'll point you the right way.
Covering Blundellsands, Brighton-le-Sands, Crosby, Little Crosby, Thornton, including Formby East, Great Crosby, Netherton North. Find Gas Safe registered engineers nearby.
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Request a gas safety certificate in L23 (Blundellsands)
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Request a gas safety certificate in L23 (Blundellsands)
How to check a gas safety engineer is registered: see the Liverpool page.
L23 (Blundellsands) in a nutshell
L23 covers Blundellsands, Brighton-le-Sands, Crosby, Little Crosby, Thornton, in Sefton. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for L23
Sefton council area
L23 is in Sefton's area. Some councils run their own landlord licensing, so it's worth checking theirs.
Where's this from?
postcodes.io (ONSPD) local authorityGive your full postcode
L23 stretches across Blundellsands, Formby East, Great Crosby and more, so give your full postcode, not just 'L23', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsEngland 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 Liverpool page. Always double-check on GOV.UK.
Next door to L23
Frequently asked questions
Which areas does L23 cover?
L23 (Blundellsands, Brighton-le-Sands, Crosby, Little Crosby, Thornton) includes the wards of Blundellsands, Formby East, Great Crosby, Netherton North, Thornton & Hightown, Waterloo (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to L23?
Neighbouring districts include L22 (Waterloo), L21 (Ford), L29 (Lunt), L30 (Bootle) (ONS Postcode Directory via Doogal). A pro covering L23 may well cover these too, so it's worth asking.
How many homes are in L23?
About 12,644 households and 30,236 residents at the 2011 Census, across 703 active postcodes (Doogal / ONS Postcode Directory).
Which council area is L23 in?
L23 sits in Sefton (postcodes.io). Parliamentary constituency: Bootle, Sefton Central.
📊 The numbers behind this page
- Postcode district
- L23 1
- Areas covered
- Blundellsands, Brighton-le-Sands, Crosby, Little Crosby, Thornton 2
- Active postcodes
- 703 3
- Households (2011 Census, via Doogal)
- 12,644 2
- Population (2011 Census, via Doogal)
- 30,236 2
- Electoral wards
- Blundellsands, Formby East, Great Crosby, Netherton North, Thornton & Hightown, Waterloo 4
- Parliamentary constituencies
- Bootle, Sefton Central 4
- Local authority
- Sefton 4
- Households heated by mains gas only (Sefton council area)
- 83.6% 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.