20+ Plumbers in Cardiff

Plumbing work in Cardiff splits roughly into three building-stock categories that drive different specialism profiles. The Cathays, Roath and Penylan terraces (CF24) are mostly Victorian and Edwardian single-skin solid-wall construction, with original lead supply pipework still common — a sizeable share of Cardiff plumber callouts in these postcodes is for lead-to-copper or lead-to-MDPE replacement, typically driven by mortgage surveys or RICS pre-purchase reports rather than leaks. The Cardiff Bay regeneration zone (CF10) and the Pontprennau/Pentwyn new-build belt (CF23) are the opposite end of the stock — modern combi systems, pre-2000 to 2020 builds with manufacturer warranties still active. The third profile is the Cardiff suburbs and edge-of-city villages (Lisvane, Rhiwbina, Thornhill in CF14; Llandaff, Radyr in CF5; St Mellons in CF3) where larger detached properties run system or regular boilers with separate hot water cylinders. Cardiff Council's planning portal at planning.cardiff.gov.uk handles Building Control sign-off; gas work doesn't trigger Building Regs notification (Gas Safe registered engineers self-certify) but kitchen/bathroom electrical work and consumer unit changes inside the same plumbing job do. Older Pontcanna and Canton terraces with original cast-iron soil stacks increasingly need replacement during bathroom refits — most experienced Cardiff plumbers carry the lifting gear and the Section 50 licence required for footway works.

Browse verified plumbers in Cardiff, South Wales. Every listing is sourced from public records and checked for active accreditations. Look for Gas Safe or APHC credentials when choosing a plumber. All contact details are visible after a business claims its listing.

20 businesses listed

Plumber guides for Cardiff

Areas covered for plumbers in Cardiff

Plumbers listed for Cardiff typically cover the CF3, CF5, CF10, CF11, CF14, CF15, CF23, CF24 postcode areas and surrounding parts of South Wales. Service radius varies per business — many also work in adjacent towns and villages within the same postcode group.

Including Rumney, St Mellons, Trowbridge, Llanrumney, Old St Mellons, Ely, Caerau, Fairwater, Canton, Llandaff, Pontcanna, Cardiff City Centre, Cardiff Bay, Butetown, Adamsdown, Riverside, Grangetown, Leckwith, Whitchurch, Tongwynlais, Rhiwbina, Birchgrove, Llanishen and Lisvane.

Plumbers in nearby towns

Common plumbers services in Cardiff

Cardiff's planning department uses an online portal at planning.cardiff.gov.uk; most domestic work in the city's conservation areas (Pontcanna, Cathedral Road, Roath Park) needs Listed Building Consent or Article 4 Direction approval before starting. Building Regs sign-off goes through Cardiff Council.

Listed plumbers in Cardiff typically cover the following work. Scopes vary per business — request a free quote on any specific job above.

• Burst pipe emergency callouts
• Leak detection and pipe repair
• Drain unblocking
• Power-flushing central heating systems
• Tap and shower replacement
• Boiler installation and repair
• Hot water cylinder fitting
• Kitchen plumbing fit-out
• Bathroom plumbing installation
• Radiator installation and balancing

Not sure what Gas Safe Register means or how to verify it? Read the plain-English definition →

Related guides

Before you hire — Welsh regulations to know

Plumbers near Cardiff

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