Newport, Wales · NP10

Plumbing compliance check 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 plumbers nearby.

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Request a plumbing compliance check in NP10 (Western Newport)

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Request a plumbing compliance check in NP10 (Western Newport)

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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

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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 authority
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Give 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) wards
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Older terraces, older pipes

Newport, Wales has lots of terraced homes. In older ones, ask the plumber to look at shared supply pipes and any old tanks in the loft.

Where's this from?ONS Census 2021, Newport, Wales: 34.5% terraced
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New to plumbing compliance checks? Here's what to expect, how to get ready and what it costs, in plain English. Read the quick guide →

Wales landlord rules: quick version

  • Fit to live in: keep water, drainage and heating in repair.
  • Legionella: assess the risk.

More detail on the Newport, Wales page. Always double-check on GOV.WALES.

Next door to NP10

NP20 · Western and West Central NewportNP44 · CwmbranNP19 · Eastern and East Central NewportNP4 · PontypoolNP18 · Eastern NewportCF3 · Rumney

← Plumbing & water compliance across Newport, Wales · all areas

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 in converted/shared houses (Newport, Wales built-up area)
2.4% 5
  1. ONS Postcode Directory
  2. Doogal
  3. Doogal / ONSPD
  4. postcodes.io
  5. ONS Census 2021

Made with open data. See where it all comes from. Updated 26 October 2026.