Chepstow · NP16
Gas safety certificate in NP16 (Chepstow)? We'll point you the right way.
Covering Chepstow, Sedbury, Beachley, including Bulwark and Thornwell, Caerwent, Chepstow Castle and Larkfield. Find Gas Safe registered engineers nearby.
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Request a gas safety certificate in NP16 (Chepstow)
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NP16 (Chepstow) in a nutshell
NP16 covers Chepstow, Sedbury, Beachley, in Forest of Dean and Monmouthshire. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for NP16
Two councils in one district
NP16 is split between Forest of Dean and Monmouthshire. 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
NP16 stretches across Bulwark and Thornwell, Caerwent, Chepstow Castle and Larkfield and more, so give your full postcode, not just 'NP16', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsMostly mains gas round here
Most homes in Chepstow run on mains gas, so a standard boiler-and-hob check is what most people need.
Where's this from?
ONS Census 2021, Chepstow: 81.9% mains gas onlyWales landlord rules: quick version
- Every year: a gas safety check by a Gas Safe registered engineer.
- CO alarm: needed where there's a gas, oil or solid fuel appliance.
- Register: with Rent Smart Wales.
More detail on the Chepstow page. Always double-check on GOV.WALES.
Next door to NP16
Frequently asked questions
Which areas does NP16 cover?
NP16 (Chepstow, Sedbury, Beachley) includes the wards of Bulwark and Thornwell, Caerwent, Chepstow Castle and Larkfield, Devauden, Mitchel Troy and Trellech United, Mount Pleasant, Shirenewton, St Arvans, St. Briavels, St Kingsmark, Tidenham (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to NP16?
Neighbouring districts include NP26 (Caldicot), BS11 (Avonmouth), BS35 (Alveston), NP25 (Monmouth) (ONS Postcode Directory via Doogal). A pro covering NP16 may well cover these too, so it's worth asking.
How many homes are in NP16?
About 9,768 households and 23,802 residents at the 2011 Census, across 784 active postcodes (Doogal / ONS Postcode Directory).
Which council area is NP16 in?
NP16 sits in Forest of Dean, Monmouthshire (postcodes.io). Parliamentary constituency: Forest of Dean, Monmouthshire.
📊 The numbers behind this page
- Postcode district
- NP16 1
- Areas covered
- Chepstow, Sedbury, Beachley 2
- Active postcodes
- 784 3
- Households (2011 Census, via Doogal)
- 9,768 2
- Population (2011 Census, via Doogal)
- 23,802 2
- Electoral wards
- Bulwark and Thornwell, Caerwent, Chepstow Castle and Larkfield, Devauden, Mitchel Troy and Trellech United, Mount Pleasant, Shirenewton, St Arvans … 4
- Parliamentary constituencies
- Forest of Dean, Monmouthshire 4
- Local authority
- Forest of Dean, Monmouthshire 4
- Households heated by mains gas only (Chepstow built-up area)
- 81.9% 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.