Newport, Wales · NP10
Gas safety certificate in NP10 (Western Newport)? We'll point you the right way.
Covering Western Newport, including Bassaleg, Duffryn, Rogerstone, including Allt-yr-yn, Gaer, Graig. Find Gas Safe registered engineers nearby.
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Request a gas safety certificate in NP10 (Western Newport)
No gas safety engineer listed for NP10 (Western Newport) yet. Tell us what you need and we'll find you a registered gas safety engineer, free.
Request a gas safety certificate in NP10 (Western Newport)
How to check a gas safety engineer is registered: see the Newport, Wales page.
NP10 (Western Newport) in a nutshell
NP10 covers Western Newport, including Bassaleg, Duffryn, Rogerstone, in Caerphilly and Newport. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for NP10
Two councils in one district
NP10 is split between Caerphilly and Newport. 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
NP10 stretches across Allt-yr-yn, Gaer, Graig and more, so give your full postcode, not just 'NP10', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsMostly mains gas round here
Most homes in Newport, Wales run on mains gas, so a standard boiler-and-hob check is what most people need.
Where's this from?
ONS Census 2021, Newport, Wales: 81.1% 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 Newport, Wales page. Always double-check on GOV.WALES.
Next door to NP10
Frequently asked questions
Which areas does NP10 cover?
NP10 (Western Newport, including Bassaleg, Duffryn, Rogerstone) includes the wards of Allt-yr-yn, Gaer, Graig, Machen and Rudry, Risca East, Rogerstone East, Rogerstone North, Rogerstone West, Tredegar Park and Marshfield (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to NP10?
Neighbouring districts include NP20 (Western and West Central Newport), NP44 (Cwmbran), NP19 (Eastern and East Central Newport) (ONS Postcode Directory via Doogal). A pro covering NP10 may well cover these too, so it's worth asking.
How many homes are in NP10?
About 9,700 households and 23,424 residents at the 2011 Census, across 590 active postcodes (Doogal / ONS Postcode Directory).
Which council area is NP10 in?
NP10 sits in Caerphilly, Newport (postcodes.io). Parliamentary constituency: Caerphilly, Newport West and Islwyn.
📊 The numbers behind this page
- Postcode district
- NP10 1
- Areas covered
- Western Newport, including Bassaleg, Duffryn, Rogerstone 2
- Active postcodes
- 590 3
- Households (2011 Census, via Doogal)
- 9,700 2
- Population (2011 Census, via Doogal)
- 23,424 2
- Electoral wards
- Allt-yr-yn, Gaer, Graig, Machen and Rudry, Risca East, Rogerstone East, Rogerstone North, Rogerstone West … 4
- Parliamentary constituencies
- Caerphilly, Newport West and Islwyn 4
- Local authority
- Caerphilly, Newport 4
- Households heated by mains gas only (Newport, Wales built-up area)
- 81.1% 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.