Fast, reliable and Gas Safe registered. Family-run by brothers Patrick & Nicholas — covering Cardiff and the Vale of Glamorgan with over 250 verified 5-star reviews.
Direct line to Patrick or Nicholas — no call centres, no middlemen.
Two brothers. One promise — honest workmanship, transparent pricing and a job done properly, first time. Every time.
Same-day call-outs across Cardiff and the Vale. We pick up the phone, turn up on time and get to work.
Cardiff born and Cardiff based. Patrick and Nicholas live and work locally — known names across South Wales.
Honest, upfront pricing. No hidden costs, no surprise extras. Free no-obligation quotes before every job.
Gas Safe registered, fully qualified engineers with comprehensive public liability insurance for total peace of mind.
Every job done to the highest standard — using quality parts, the right tools and proper technique. No shortcuts.
Burst pipe at midnight? Boiler dead in a cold snap? We're here around the clock — every day of the year.
Polite, tidy and respectful in your home. We explain what we're doing, why, and clean up properly when we leave.
Tell us what you need. We'll come out, take a look and give you an honest price — with zero pressure to commit.
From planned installations to mid-night emergencies — we handle every aspect of plumbing, gas and heating across Cardiff and the Vale of Glamorgan.
Boiler swaps, full central heating systems, bathroom refurbishments, underfloor heating, solar heating, gas appliances and complete kitchen plumbing. Quality installs, properly commissioned.
Get a free quoteAnnual boiler servicing, Gas Safety Inspections, Landlord Safety Certificates (CP12), combustion performance analysis and full system health checks. Keep your home safe, warm and compliant.
Book a service24/7 emergency call-outs for burst pipes, leaks, boiler breakdowns, no hot water and gas concerns. Cardiff and the Vale — we'll be with you fast, day or night.
Call Patrick now18 specialist services, all delivered by Gas Safe registered engineers.
Established in 2022, DMP Plumbing & Heating is owned and operated by two brothers — Patrick and Nicholas — covering Cardiff and the Vale of Glamorgan.
We do things the old-fashioned way: pick up the phone, turn up when we say we will, do the job properly and explain everything along the way. No jargon, no hidden costs, no salespeople — just two qualified engineers who care about every customer.
In just three years we've built up over 250 verified 5-star reviews across Checkatrade and TrustATrader. That's the kind of trust we work hard to keep earning, every job, every day.
Independently vetted by the UK's most trusted trade bodies — and Gas Safe registered to work on every domestic gas appliance.
Real reviews from real Cardiff customers — verified across Checkatrade and TrustATrader.
Based on Cathedral Road in central Cardiff, with engineers covering the city and across South Wales.
Four steps from your first call to the job done — and the kettle back on.
Call Patrick or Nicholas, drop a WhatsApp or fill in the form. We pick up — and we listen.
We visit, take a look and give you an honest, no-obligation quote with no hidden costs.
Quality parts, proper technique, tidy work. We arrive when we say and explain every step.
Full handover, paperwork sorted (CP12s included) and a number you can call if anything comes up.
A look at recent installs and refurbishments around Cardiff and the Vale.
Common questions we hear from Cardiff homeowners and landlords.
Yes — both Patrick and Nicholas are fully Gas Safe registered. By law any engineer working on a gas appliance in your home must be on the Gas Safe Register, and we always carry our ID cards on site. Ask to see them at any time.
Yes. For genuine emergencies — burst pipes, gas leaks, total loss of heating — we'll answer the phone day or night. Both Patrick (07464 059083) and Nicholas (07802 562105) are reachable, and one of us will be with you as quickly as possible.
No — all our quotes are completely free and with absolutely no obligation. We come out, take a proper look at the job, and give you an honest price. If it's not for you, no problem. If it is, we'll book you in.
Absolutely. We carry out Landlord Gas Safety Inspections and issue CP12 certificates across Cardiff and the Vale. We also offer reminder services for landlords with multiple properties — get in touch to discuss a regular arrangement.
We cover all of Cardiff — from Cardiff Bay to Whitchurch, Roath to Llandaff — and across the Vale of Glamorgan including Penarth, Barry and Cowbridge. If you're not sure, just give us a call and we'll let you know.
Yes — we hold full public liability insurance to protect you, your home and our work. We're also independently vetted by Checkatrade and TrustATrader, both of which carry strict insurance requirements for their tradespeople.
We accept bank transfer, card payment and cash. For larger installation jobs we'll usually agree a deposit and final balance arrangement up front so there are no surprises. Every job comes with a detailed invoice for your records.
Whether it's a leaky tap, a dead boiler or a full bathroom refurbishment — call Patrick or Nicholas direct, or send us a message and we'll get back to you fast.
We'll get back to you within the hour during working hours.