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Trusted Gas Safe Boiler Engineer in Belfast
DT Boiler Services is a locally owned and operated business based in Belfast, dedicated to providing expert boiler servicing, repairs, and landlord gas safety certifications. As a sole trader, I prioritise personal service, ensuring every client receives clear pricing, honest advice, and professional workmanship. With Gas Safe registration and extensive experience in domestic gas systems, I serve homeowners, landlords, and letting agents across Belfast and surrounding areas. My commitment to punctuality, transparency, and thoroughness ensures every job is completed to the highest standards. By handling all work personally, I maintain direct communication and accountability, fostering trust and reliability.

Whether addressing emergency breakdowns or routine maintenance, my focus remains on safety, efficiency, and customer satisfaction. I collaborate with trusted plumbers to resolve complex issues swiftly, offering a comprehensive solution for heating and plumbing needs. My mission is to simplify boiler care through straightforward service, competitive pricing, and a dedication to treating every property as if it were my own. This approach has earned the trust of clients who value integrity and expertise in their heating solutions.
Services
Boiler Servicing Boiler Repairs Landlord Gas Safety Certificates Plumbing Support Central Heating Care Boiler Replacements
Served areas
  • Belfast, Newtownabbey, Newtownards, Comber, Holywood
Highlights and features
  • Boiler Services & Repairs
Associations and certifications
  • Gas Safe Register
What people say
Fast response Clear pricing Professional service Reliable engineer Same-day certificates
Services
Boiler Servicing
Annual boiler servicing ensures safe, efficient operation and Gas Safe compliance. I conduct combustion checks, pressure tests, flue performance assessments, and safety control inspections. Regular maintenance prevents breakdowns and extends boiler lifespan, providing peace of mind for homeowners and landlords.
Boiler Repairs
Fast diagnosis and repair of boiler issues like pressure loss, fault codes, or ignition failures. I carry common parts for major brands, aiming for same-day fixes. Transparent quotes and clear explanations ensure informed decisions without unexpected costs.
Landlord Gas Safety Certificates
Mandatory annual gas safety checks for landlords, including appliance inspections, flue tests, and CO alarm checks. Digital certificates are emailed promptly, with multi-property discounts available. Compliance is guaranteed to meet legal requirements for rental properties.
Plumbing Support
Leak repairs, tap replacements, and radiator balancing performed alongside trusted plumbers for larger jobs. A fair call-out fee covers diagnosis and travel, with no hidden charges. Coordination ensures seamless solutions for minor and major plumbing needs.
Central Heating Care
Radiator balancing, pump checks, and system efficiency improvements prevent boiler strain. Fault-finding identifies pressure issues or control faults, with clear pricing for repairs. Regular care enhances heating performance and reduces energy costs for consistent comfort.
People
Darran
Owner and Gas Safe Engineer
Darran is a fully Gas Safe registered engineer with extensive experience in domestic boiler systems. He provides personalised service across Belfast, prioritising transparency, punctuality, and technical expertise to ensure reliable heating solutions for residential and commercial clients.
Questions
What areas do you cover?
I serve Belfast and surrounding areas including Holywood, Dundonald, Lisburn, Newtownards, and Carryduff. Contact me to confirm coverage for your location.
Are you Gas Safe registered?
Yes, I am a fully Gas Safe registered engineer (No. 670641) qualified to work on all domestic gas boilers and heating systems.
Do you offer emergency boiler repairs?
Yes, I provide fast response for urgent breakdowns with same-day or next-day call-outs when possible across Belfast.
What payment methods do you accept?
Payment details are discussed upfront, but specific methods are agreed directly during booking. No hidden fees apply.
Can you issue landlord gas safety certificates?
Yes, I provide same-day CP12 certificates via email after completing gas safety checks for rental properties.
Do you handle plumbing jobs?
I manage minor plumbing tasks and coordinate with trusted plumbers for larger work, ensuring comprehensive solutions for heating and water systems.
Reviews (4)
Liam
Apr 04, 2026 Report
Incredibly professional service from start to finish. The response time after we contacted him about our issue was extremely quick, which we really appreciated. He was friendly, approachable, and took the time to clearly explain everything to us in detail. The whole experience was smooth and stress-free. I would 100% recommend him for any boiler issues and will definitely use his services again in the future.
Tom Sinclair
Feb 04, 2022 Report
Darren serviced my gas boiler and fixed a leak that needed a part. First class professional service at a good price . Would highly recommend.
Stephen Mullan
Jan 01, 2022 Report
I would recommend this business to anyone, Darren went out of his way to fix our boiler at short notice and was friendly, professional and reasonably price.
Lorcan Okane
Dec 15, 2021 Report
Darran was very prompt and came to fix our issue when he said he would. He did a fantastic job and left the area tidy and clean. His work was of a very high quality and completed in a short time. He also made a very welcome follow up call to check that all was OK. I would recommend Darran to anyone without hesitation. An excellent service from a very well mannered guy. Thanks Darran.