Professional Heating & Plumbing Engineers Serving County Down
Looking for reliable plumbers in Downpatrick? JJ Heating & Plumbing provide expert plumbing, boiler, and heating services for homes across County Down. Established in 2010, our Gas Safe and OFTEC registered engineers specialise in oil and gas boiler installation, servicing, and repairs, as well as power flushing and plumbing maintenance — all delivered with professionalism and care.
Customer Rating
We’re proud of our local reputation for honest advice, friendly service, and exceptional workmanship.
Years of Experience
Established in 2010, we’ve been serving homeowners and landlords across County Down for over a decade.
About Our Company
Local Plumbers & Heating Experts in Downpatrick
At JJ Heating & Plumbing, we combine local expertise with professional reliability. Our skilled team of plumbers and heating engineers provide a complete range of services — from fixing leaks and repairing radiators to installing efficient oil and gas boilers.
We use trusted brands such as Grant, Warmflow, Worcester, and Firebird, and every job is fully insured and guaranteed for your peace of mind.
Based in Killyleagh, we serve Downpatrick and surrounding areas across County Down, offering quality workmanship and honest advice you can rely on.
OUR SERVICES
Professional Plumbing & Heating Services in Downpatrick
Whether you need a new boiler, a system power flush, or fast plumbing repairs, we provide
dependable services at competitive prices.
Oil Boiler Services
Our OFTEC-approved engineers install, service, and repair oil boilers using genuine parts and leading
brands like Grant, Warmflow, Worcester, and Firebird.
Gas Boiler Services
We’re Gas Safe registered plumbers providing expert gas boiler installations, repairs, and annual servicing for safe, efficient heating systems.
Power Flushing
Enhance your central heating efficiency with a professional power flush. We remove sludge and cold spots to restore system performance and reduce energy bills.
Plumbing Services
From burst pipes and leaks to bathroom and kitchen plumbing, our Downpatrick plumbers provide fast, tidy, and reliable plumbing solutions.
WHY CHOOSE US
Why Homeowners Choose JJ Heating & Plumbing
At JJ Heating & Plumbing, our reputation is built on trust, reliability, and quality workmanship. As a family-run local business, we understand the importance of honest service, clear communication, and doing the job right the first time. Every project is carried out to the highest standards by certified engineers who genuinely care about keeping your home safe, warm, and efficient.
Trusted Local Plumbers
Serving County Down since 2010
Gas Safe & OFTEC Accredited
Certified and experienced engineers
Fully Insured & Guaranteed
Peace of mind with every installation and repair
Quality Workmanship
Using genuine parts and trusted brands
FREQUENTLY ASKED QUESTIONS
Your Plumbing & Heating Questions Answered
We know plumbing and heating issues can be stressful, so we’ve answered some of the most common questions below to help you make informed decisions. Whether you need boiler servicing, plumbing repairs, or power flushing, our team is here to guide you with straightforward, professional advice.
Are you local plumbers in Downpatrick?
Yes — we’re based in Killyleagh and serve Downpatrick and all of County Down.
Do you repair both oil and gas boilers?
Absolutely. Our team is both Gas Safe and OFTEC registered, qualified to service and repair any oil or gas system.
What brands of boilers do you recommend?
We work mainly with Grant, Warmflow, Worcester, and Firebird, known for reliability and energy efficiency.
Do you offer power flushing services?
Yes. Power flushing clears blockages and improves radiator performance — ideal before installing a new boiler.
TESTIMONIALS
What Our Customers Say
OUR WORK PROCESS
How We Bring Solar Energy to Your Home
We make switching to solar simple and stress-free. From careful planning to
expert installation and everyday household use, our process ensures you get
the most out of clean, renewable energy.
Step 1: Solar Design
Our experts assess your home’s energy needs and roof layout to create a custom solar design that maximizes efficiency and savings.
Step 2: Expert Installation
Our certified team installs your solar system using high-quality equipment and proven methods — ensuring safety, reliability, and top performance.
Step 3: Clean Energy Use
Enjoy the benefits of clean, renewable energy. Lower your bills, reduce your carbon footprint, and gain energy independence for years to come.
Make the Switch to Renewable Energy
Make the Switch to Renewable Energy
We’ve worked on over 100 projects with 100+ clients
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CONTACT US
Looking for Plumbers in Downpatrick? Contact JJ Heating & Plumbing Today.
Whether it’s a plumbing repair, a new boiler, or system maintenance, our experienced team is ready to help.
Phone:
028 4483 5246
Email:
info@jjhp.co.uk
Address:
Island Rd, Killyleagh, Downpatrick, BT30 9SH