Business Details
Emergency
services
Trusted Gas Safe Boiler Services in Belfast
DT Boiler Services is a locally owned and operated business serving Belfast and surrounding areas as a fully Gas Safe registered engineer. With years of hands-on experience in domestic gas boiler servicing, repairs, and landlord gas safety certificates, the company prioritises reliability, transparency, and technical expertise. Every job is handled personally by the owner, ensuring direct communication, clear pricing, and a commitment to treating each property with care. The business specialises in resolving boiler issues efficiently while maintaining compliance with Gas Safe standards. By focusing on punctuality, tidiness, and customer education, DT Boiler Services builds trust through consistent, high-quality workmanship. The team also coordinates with trusted plumbers for integrated gas and plumbing solutions, minimising the need for multiple contractors. Backed by positive customer feedback and a dedication to straightforward service, the company aims to simplify boiler maintenance and repairs for homeowners, landlords, and letting agents alike.
Services
Boiler Servicing
Boiler Repairs
Landlord Gas Safety Certificates
Plumbing Support
Central Heating Care
Boiler Replacements
Highlights and features
- Local, independent Gas Safe engineer in Belfast
- Clear, upfront pricing no hidden extras
- Same-week appointments for servicing and CP12s
- Fully qualified, insured, and Gas Safe registered
- Punctual, tidy, and professional service
Associations and certifications
- Gas Safe Register
Payment methods
- Cash
- Debit cards
- Credit cards
What people say
Nothing was a problem
Professional and helpful
Explained each move
Honest advice
Fast response
Services
Boiler Servicing
Annual boiler servicing ensures safe and efficient operation. The process includes combustion checks, pressure testing, flue performance analysis, and safety control verification. Digital service reports are provided on completion. Regular maintenance extends boiler lifespan and prevents breakdowns.
Boiler Repairs
Diagnosis and repair of boiler faults including pressure loss, ignition failures, and error codes. Common parts for Baxi, Vaillant, Worcester, and Ideal models are carried for same-day fixes. Emergency call-outs are available for urgent heating issues.
Landlord Gas Safety Certificates
Gas safety inspections for rental properties, including appliance checks, flue testing, and CO alarm verification. Digital certificates are emailed on the same day. Multi-property discounts are available for landlords with multiple units.
Plumbing Support
Handling minor plumbing issues like leaks, tap replacements, and radiator problems. Coordination with trusted plumbers for larger pipework jobs. A fair call-out fee covers time, travel, and diagnosis with no hidden charges.
Central Heating Care
Radiator balancing, pump checks, and system efficiency improvements. Fault-finding for uneven heating or pressure issues. Services include TRV replacements and circulation assessments to optimise heating performance and reduce energy costs.
People
Darran
Owner & Gas Safe Engineer
Darran is the owner and sole trader of DT Boiler Services, a Gas Safe registered engineer in Belfast. He specialises in boiler servicing, repairs, and landlord gas safety certificates. With extensive experience in domestic gas boilers, he provides reliable, transparent services to homeowners and landlords across Belfast and surrounding areas.
Questions
Are you a registered Gas Safe engineer?
Yes, I am fully Gas Safe registered (No. 670641) and qualified to work on all domestic gas boilers.
Do you offer emergency boiler repairs?
Yes, I provide fast response for urgent boiler breakdowns with same-day or next-day call-outs when possible.
What areas do you cover?
I serve Belfast, Holywood, Dundonald, Lisburn, Newtownards, Carryduff, and surrounding areas.
How do I book a service?
Contact me directly via phone at 079 2565 3440 or request a callback through the website.
Do you provide digital certificates?
Yes, all service reports and CP12 certificates are emailed digitally on the same day.
Reviews (15)
Greg Gillanders
Feb 12, 2026
Report
Thanks for your expertise and help with our boiler issues, your prompt response and quick call out time were impeccable. Highly recommended and will definitely be using your services again should the need arise. A+++
Brigid McAuley
Mar 17, 2025
Report
I highly recommend Darran as a boiler engineer!
Brillant, professional boiler service. Top quality work, explains what he doing and reasonably priced. Thanks Darran.
Brillant, professional boiler service. Top quality work, explains what he doing and reasonably priced. Thanks Darran.
Cahal Keown
May 28, 2022
Report
Darren arranged to service my gas boiler 1st June 2022. He carried out a service to the boiler as well as checking on the safety of all gas appliances around the house. He also provided some good feedback on how to extend my boilers lifespan and how to keep my house safe from Carbon Monoxide. I would definitely recommend Darren to anyone that has a gas boiler. Darren also provided a full gas certificate for my house and set a reminder for a boiler service for next year.
Ben Johnston
May 10, 2022
Report
Fantastic service, Darren arrived on time and explained everything he was doing. Would definitely recommend and will be using him again in the future.
Kevin Gervin
Apr 20, 2022
Report
Great guy, went out of his way to make sure our boiler was in top condition. Flexible when arranging appointments and was very punctual. Will only be using him in future
Robert Brown
Apr 08, 2022
Report
Darren was very helpful, in coming out at short notice to do a service after my installation fitter let me down, explained what he was doing and very polite, will use him again for future services
Angela Orozco
Apr 01, 2022
Report
Darren did an excellent job, he serviced a gas and an oil boiler. Very happy with the work, definitely I am going to call him again!
Liz Walker
Feb 23, 2022
Report
Darren fixed my gas boiler today at short notice and was patient and took the time to find the issue with it and resolve it, regardless of it being a really awkward job and a number of others failing to fix it. He was very helpful and he explained everything he was doing and what was causing the problem. Darren is efficient, professional and his prices are extremely competitive. I would highly recommend Darren and will be using him for my yearly boiler service.
Ashleigh Fletcher
Feb 23, 2022
Report
Absolutely fantastic service at short notice. I couldn't recommend Darren more. He explained everything he was checking and left the place neat and tidy when he left. Quality service and really happy with the work.
Maciek Pasinski
Feb 19, 2022
Report
Darran Serviced two boilers for me. Very punctual, professional, easy to deal with. I will definitely give him more business in future.
Ashleigh Fletcher
Feb 03, 2022
Report
Absolutely fantastic service at short notice. I couldnt recommend Darren more. He explained everything he was checking and left the place neat and tidy when he left. Quality service and really happy with the work.
Maciek Pasinski
Feb 02, 2022
Report
Darran Serviced two boilers for me. Very punctual, professional, easy to deal with. I will definitely give him more business in future.
Stephen Collins
Jan 17, 2022
Report
Darran fixed the problem with my boiler at short notice. So happy to get it working again. Very reasonable and clean job - no mess left. Highly recommended.
Donganies
Jan 16, 2022
Report
Darren is such a great fellow: Professional, timely response and down to earth with gas safety. His charges would make you smile.
Stephen Collins
Dec 25, 2021
Report
Darran fixed the problem with my boiler at short notice. So happy to get it working again. Very reasonable and clean job - no mess left. Highly recommended.