Business Details
9 Years
experience
Emergency
services
Trusted Plumbing & Heating Experts in Brecon
Established in 2017 by Martin and Samantha Mainwaring, Mains Gas is a family-run business specialising in heating and plumbing services across Brecon and surrounding areas. Our team of Gas Safe and Oftec-accredited engineers delivers reliable solutions for domestic and commercial properties, including boiler installations, central heating systems, emergency repairs, and underfloor heating. With a commitment to quality and customer satisfaction, we have earned recognition as Wales' top heating and plumbing specialists for three consecutive years.Our services extend to powerflushing, smart heating controls, and solar station maintenance, supported by flexible financing options and a 12-year guarantee on selected Worcester Bosch boilers. Available 24/7 for emergencies, we prioritise prompt response times, transparent communication, and workmanship that adheres to the highest safety and professionalism standards.
Services
Boiler Installations
Central Heating
Emergency Repairs
Powerflushing
Underfloor Heating
Smart Controls
Gas Safety Checks
Plumbing Services
Commercial Heating
Solar Maintenance
Details
- Year established: 2017
Highlights and features
- We offer 24/7 emergency plumbing and heating repairs.
- Our engineers are Gas Safe and Oftec accredited.
- Award-winning team with three consecutive wins for Wales' best plumbing specialists.
- Flexible 0% interest financing options for boiler installations.
- Free no-obligation quotes and extended 12-year guarantees on selected boilers.
Associations and certifications
- Gas Safe
- Oftec
- Worcester Accredited Service Partners
What people say
24/7 availability
Professional team
Competitive pricing
Reliable repairs
Excellent guarantees
Services
Boiler Installations
We install energy-efficient boilers for domestic and commercial properties, including gas, oil, and air source heat pump systems. Our Worcester-accredited engineers ensure compliance with safety standards and offer up to 12-year guarantees. Customers benefit from flexible financing options, including 0% interest payment plans.
Emergency Repairs
Available 24/7 for urgent plumbing and heating issues, our Gas Safe-registered engineers respond promptly to leaks, boiler failures, and gas safety concerns. We prioritise rapid resolution while maintaining safety and minimising disruption for residential and business clients.
Powerflushing
This service removes sludge and debris from central heating systems to improve efficiency. Ideal for radiators that are cold at the bottom or boilers making unusual noises, powerflushing extends system lifespan and reduces energy bills through enhanced performance.
Commercial Heating
We provide tailored heating solutions for industrial, retail, and public sector properties, including boiler installations and maintenance. Our team conducts free surveys to recommend cost-effective systems, ensuring minimal downtime for businesses during installations or repairs.
Plumbing Services
From burst pipes to shower installations, our OFTEC-certified plumbers handle all aspects of domestic and commercial plumbing. We offer pipework upgrades, leak repairs, and bathroom renovations, prioritising tidy workmanship and long-term reliability for every project.
People
Martin Mainwaring
Company Director & Commercial Engineer
With over 20 years in the industry, Martin leads commercial projects and ensures technical excellence. His hands-on approach and Gas Safe accreditation guarantee high standards across all installations and repairs.
Samantha Mainwaring
Director / Office Manager
Samantha oversees operations and client relations, ensuring seamless service delivery. Her organisational expertise supports the team's efficiency and customer satisfaction across domestic and commercial projects.
Tristan
Engineer
A skilled Gas Safe-registered engineer, Tristan specialises in boiler installations and emergency repairs. His technical proficiency and attention to detail ensure reliable solutions for residential and business clients.
Nathan
Engineer
Nathan provides expert plumbing and heating services, focusing on system maintenance and powerflushing. His OFTEC certification supports compliance and efficiency in every project he undertakes.
Damian
Engineer
Damian delivers Gas Safe-compliant repairs and installations, prioritising safety and client needs. His experience spans domestic boilers to complex commercial heating systems across South Wales.
Questions
Are your engineers Gas Safe registered?
Yes, all our engineers are Gas Safe registered and carry official ID cards for verification.
Do you offer emergency repair services?
We provide 24/7 emergency repairs for plumbing and heating issues across Brecon and surrounding areas.
Can I finance a new boiler?
Yes, we offer 0% interest financing options for boiler installations, subject to credit approval.
What areas do you cover?
We serve Brecon, Abergavenny, Herefordshire, Swansea, and other parts of South Wales and England.
Do you provide commercial heating solutions?
Yes, we specialise in commercial boiler installations and maintenance for industrial and retail properties.
What guarantees do you offer?
Selected Worcester Bosch boilers come with up to a 12-year manufacturer's guarantee when installed by us.
