Cardiff’s award-winning plumbing and heating specialists
Plumbing, heating & bathrooms. Done properly.
Boiler repairs and installations, everyday plumbing and complete bathrooms—delivered by an award-winning local team across Cardiff and surrounding CF postcodes.
Plumbing, boilers & heating in Cardiff
How can we help?
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See all servicesProfessional standards
Approved, registered & recognised.
Manufacturer accreditations, Gas Safe registration and independent recognition—all in one place.
A look at our work
Real homes. Real work.
From complete bathroom renovations to carefully finished heating installations, here is a snapshot of work completed by our team.
See our latest work on InstagramA reputation built locally
Over 1,000 reviews across the web.
A reputation built on quality workmanship, honest advice and customer service. Read our customer reviews on Google and MyBuilder.
Google customer reviews
★★★★★“We have used SMC on two occasions. One was a central heating issue and the other a plumbing leak. Neither was straightforward, but they were excellent in the way they dealt with them with patience and expertise.”
★★★★★“Scott carried out a gas safety and boiler check at my property. Very friendly and professional. Will use again next year and recommend for any similar works.”
★★★★★“Very good service with friendly staff. Kept informed throughout job. Really impressed with this company give them a go.”
★★★★★“Scott visited same day, identified the problem immediately and fixed it, at a very reasonable cost.”
★★★★★“We have used SMC a few times for repairs and have always found them excellent. Scott came out last week to identity an issue and fix a faulty boiler that two other engineers failed to manage to do. Straightforward pricing, great rates and everything always clearly explained. Great local service.”
★★★★★“So genuinely impressed with Scott and his team. Professional, efficient and a really high standard of work. Will definitely be contacting for any further jobs. Can highly recommend”
★★★★★“Great service. Scott kept me fully informed about what was going on. Would highly recommend.”
★★★★★“Excellent service prompt and customer care of a very high standard as always with Scott and his staff.”
768 reviews on MyBuilder.
Feedback from customers who have trusted SMC with their plumbing, heating and bathroom projects. Review count updated October 2026.
Established 2011
Local roots. Standards we keep pushing higher.
SMC began in Cardiff with a simple promise: give customers honest advice, take pride in the work and treat every home with care.
SMC has grown from one van into a trusted local team, but the things that matter have stayed the same: honest advice, tidy workmanship and a job done properly.
Every job carrying the SMC name matters—whether it is a small repair or a complete home project.
Read our storyAdvice from the SMC team
A few checks now. Fewer surprises later.
Explore ten practical guides to plumbing, boilers, heating and planning your bathroom.
Explore our home advice →Helpful answers
Questions Cardiff homeowners ask us.
A few straightforward answers before you book a plumber, heating engineer or boiler specialist.
Do you repair boilers as well as install them?
Yes. We start with careful fault-finding and explain whether a safe, sensible repair is possible before recommending replacement.
Do you cover Cardiff and nearby areas?
Yes. SMC is Cardiff-based and serves Cardiff and surrounding areas. Get in touch and we’ll confirm availability for your postcode.
Can you manage a complete bathroom renovation?
Yes. We can coordinate the design through to completion, including plumbing, electrics, plastering and other required trades.
Are you Gas Safe registered?
Yes. SMC Plumbing & Heating is Gas Safe registered (570503) for relevant gas work.
Do you guarantee your workmanship?
We offer a three-year workmanship guarantee on bathrooms and a two-year workmanship guarantee on kitchens, subject to the agreed scope of work. Other work is covered as set out in your quotation.
Cardiff & Caerphilly
A local team for your postcode.
Serving Cardiff, North Cardiff including Llanishen, Lisvane and The Heath, and Caerphilly. Share your postcode and we will confirm availability for your job.
Check the areas we coverWhat happens after you enquire?
- We review your details and get in touch.
- We agree the next step, scope and price or survey requirements.
- We confirm an appointment with you.
Need to explain it over the phone? Request a callback.
Need some help?
Tell us what’s happening.
Whether it’s a boiler fault, a dripping tap or a larger heating project, get in touch and we’ll point you in the right direction.
Covering CF postcodes across Cardiff. Include your postcode and we’ll confirm availability.
Need urgent help?
Call 07377 500 077 for boiler and plumbing problems.