Aylesbury · HP18
Gas safety certificate in HP18 (Ashendon)? We'll point you the right way.
Covering Ashendon, Boarstall, Brill, Chearsley, Chilton, Cuddington, Dorton, Easington, Edgcott, Grendon Underwood, Ickford, Kingswood, Long Crendon, Lower Winchendon, Ludgershall, Oakley, Shabbington, Upper Winchendon, Waddesdon, Westcott, Worminghall, Wotton Underwood, including Berryfields, Buckingham Park & Watermead, Forest Hill & Holton, Grendon Underwood & The Claydons. Find Gas Safe registered engineers nearby.
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Request a gas safety certificate in HP18 (Ashendon)
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Request a gas safety certificate in HP18 (Ashendon)
How to check a gas safety engineer is registered: see the Aylesbury page.
HP18 (Ashendon) in a nutshell
HP18 covers Ashendon, Boarstall, Brill, Chearsley, Chilton, Cuddington, Dorton, Easington, Edgcott, Grendon Underwood, Ickford, Kingswood, Long Crendon, Lower Winchendon, Ludgershall, Oakley, Shabbington, Upper Winchendon, Waddesdon, Westcott, Worminghall, Wotton Underwood, in Buckinghamshire and Cherwell and South Oxfordshire. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for HP18
Two councils in one district
HP18 is split between Buckinghamshire and Cherwell and South Oxfordshire. 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
HP18 stretches across Berryfields, Buckingham Park & Watermead, Forest Hill & Holton, Grendon Underwood & The Claydons and more, so give your full postcode, not just 'HP18', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsMostly mains gas round here
Most homes in Aylesbury run on mains gas, so a standard boiler-and-hob check is what most people need.
Where's this from?
ONS Census 2021, Aylesbury: 77.3% 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 Aylesbury page. Always double-check on GOV.UK.
Next door to HP18
Frequently asked questions
Which areas does HP18 cover?
HP18 (Ashendon, Boarstall, Brill, Chearsley, Chilton, Cuddington, Dorton, Easington, Edgcott, Grendon Underwood, Ickford, Kingswood, Long Crendon, Lower Winchendon, Ludgershall, Oakley, Shabbington, Upper Winchendon, Waddesdon, Westcott, Worminghall, Wotton Underwood) includes the wards of Berryfields, Buckingham Park & Watermead, Forest Hill & Holton, Grendon Underwood & The Claydons, Haddenham & Stone, Launton and Otmoor, Long Crendon, Quainton, Waddesdon, Wendover, Halton & Stoke Mandeville (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to HP18?
Neighbouring districts include HP19 (Aylesbury), HP20 (Aylesbury), OX39 (Chinnor), HP21 (Aylesbury), MK18 (Addington) (ONS Postcode Directory via Doogal). A pro covering HP18 may well cover these too, so it's worth asking.
How many homes are in HP18?
About 5,227 households and 13,534 residents at the 2011 Census, across 695 active postcodes (Doogal / ONS Postcode Directory).
Which council area is HP18 in?
HP18 sits in Buckinghamshire, Cherwell, South Oxfordshire (postcodes.io). Parliamentary constituency: Bicester and Woodstock, Buckingham and Bletchley, Henley and Thame, Mid Buckinghamshire.
📊 The numbers behind this page
- Postcode district
- HP18 1
- Areas covered
- Ashendon, Boarstall, Brill, Chearsley, Chilton, Cuddington, Dorton, Easington, Edgcott, Grendon Underwood, Ickford, Kingswood, Long Crendon, Lower Winchendon, Ludgershall, Oakley, Shabbington, Upper Winchendon, Waddesdon, Westcott, Worminghall, Wotton Underwood 2
- Active postcodes
- 695 3
- Households (2011 Census, via Doogal)
- 5,227 2
- Population (2011 Census, via Doogal)
- 13,534 2
- Electoral wards
- Berryfields, Buckingham Park & Watermead, Forest Hill & Holton, Grendon Underwood & The Claydons, Haddenham & Stone, Launton and Otmoor, Long Crendon, Quainton, Waddesdon … 4
- Parliamentary constituencies
- Bicester and Woodstock, Buckingham and Bletchley, Henley and Thame, Mid Buckinghamshire 4
- Local authority
- Buckinghamshire, Cherwell, South Oxfordshire 4
- Households heated by mains gas only (Aylesbury built-up area)
- 77.3% 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.