Monmouth · NP25
Gas safety certificate in NP25 (Monmouth)? We'll point you the right way.
Covering Monmouth, Redbrook, Welsh Newton, including Drybridge, Kerne Bridge, Llangarron. Find Gas Safe registered engineers nearby.
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Request a gas safety certificate in NP25 (Monmouth)
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Request a gas safety certificate in NP25 (Monmouth)
How to check a gas safety engineer is registered: see the Monmouth page.
NP25 (Monmouth) in a nutshell
NP25 covers Monmouth, Redbrook, Welsh Newton, in Forest of Dean and Herefordshire, County of and Monmouthshire. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for NP25
Two councils in one district
NP25 is split between Forest of Dean and Herefordshire, County of 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
NP25 stretches across Drybridge, Kerne Bridge, Llangarron and more, so give your full postcode, not just 'NP25', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsMostly mains gas round here
Most homes in Monmouth run on mains gas, so a standard boiler-and-hob check is what most people need.
Where's this from?
ONS Census 2021, Monmouth: 80.4% 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 Monmouth page. Always double-check on GOV.WALES.
Next door to NP25
Frequently asked questions
Which areas does NP25 cover?
NP25 (Monmouth, Redbrook, Welsh Newton) includes the wards of Drybridge, Kerne Bridge, Llangarron, Llantilio Crossenny, Mitchel Troy and Trellech United, Newland & Sling, Osbaston, Overmonnow, St Arvans, Town, Wyesham (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to NP25?
Neighbouring districts include GL16 (Coleford), NP16 (Chepstow), GL15 (Blakeney) (ONS Postcode Directory via Doogal). A pro covering NP25 may well cover these too, so it's worth asking.
How many homes are in NP25?
About 6,479 households and 15,444 residents at the 2011 Census, across 577 active postcodes (Doogal / ONS Postcode Directory).
Which council area is NP25 in?
NP25 sits in Forest of Dean, Herefordshire, County of, Monmouthshire (postcodes.io). Parliamentary constituency: Forest of Dean, Hereford and South Herefordshire, Monmouthshire.
📊 The numbers behind this page
- Postcode district
- NP25 1
- Areas covered
- Monmouth, Redbrook, Welsh Newton 2
- Active postcodes
- 577 3
- Households (2011 Census, via Doogal)
- 6,479 2
- Population (2011 Census, via Doogal)
- 15,444 2
- Electoral wards
- Drybridge, Kerne Bridge, Llangarron, Llantilio Crossenny, Mitchel Troy and Trellech United, Newland & Sling, Osbaston, Overmonnow … 4
- Parliamentary constituencies
- Forest of Dean, Hereford and South Herefordshire, Monmouthshire 4
- Local authority
- Forest of Dean, Herefordshire, County of, Monmouthshire 4
- Households heated by mains gas only (Monmouth built-up area)
- 80.4% 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.