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Business Details
19 Years
experience
Expert Boiler Installations & Heating Services
Established in 2007, Gareth Williams Heating has built a strong reputation across Newport and South Wales as a trusted provider of boiler installation and heating solutions. Our team of Gas Safe Registered engineers brings decades of combined experience, including founder Gareth Williams' 32-year industry background since his apprenticeship with Wales Gas in 1986. As accredited installers for leading manufacturers like Vaillant, Baxi, and Ideal, we offer up to 10-year warranties on new boiler installations, backed by rigorous quality standards and comprehensive after-sales service.

We prioritise transparency with fixed-price quotations, no hidden charges, and a commitment to resolving customer needs efficiently. Our technical expertise extends to system power flushing, central heating design, and annual boiler servicing, supported by modern equipment including Magnacleanse and Kamco Quantum CF90 machines. With over 750 online reviews and recognition on Trustpilot and Checkatrade, we maintain industry-leading customer satisfaction through reliable service delivery and competitive financing options for boiler replacements.
Services
Boiler Installations Central Heating Systems Boiler Servicing System Power Flushing Gas Appliance Servicing Landlord Safety Checks Boiler Replacements Heating System Design Annual Maintenance Emergency Repairs
Details
  • Year established: 2007
Highlights and features
  • Gas Safe Registered engineers with 30+ years industry experience
  • 10-year warranties available on selected boiler installations
  • Transparent fixed-price quotations with no hidden charges
  • Comprehensive after-sales servicing and maintenance programs
  • Recognised by Trustpilot and Checkatrade with 750+ customer reviews
Associations and certifications
  • Gas Safe Register (233679)
What people say
Excellent customer care High quality workmanship Reliable service Competitive pricing Professional engineers
Services
Boiler Installations
We specialise in boiler replacements and installations across Newport and South Wales. Our Gas Safe Registered engineers offer energy-efficient combi, system, and regular boilers from leading manufacturers like Vaillant, Baxi, and Ideal. All installations come with up to 10-year warranties, magnetic filters, and comprehensive after-sales support. Our transparent pricing includes fixed quotations with no hidden charges.
Central Heating Systems
Our team designs and installs complete central heating systems tailored to your property requirements. We prioritise energy efficiency and system longevity while considering your budget constraints. Services include pipework installation, radiator placement optimisation, and integration with renewable energy sources where applicable. All work meets current building regulations and safety standards.
Boiler Servicing
Regular boiler servicing ensures optimal performance and safety compliance. Our engineers conduct comprehensive checks using digital reporting tools, providing immediate CP12 certificates for landlords. Annual servicing maintains manufacturer warranties and identifies potential issues before they become emergencies. We offer automated service reminders for customer convenience.
System Power Flushing
We perform chemical power flushing using Magnacleanse and Kamco Quantum CF90 machines to remove sludge and debris from heating systems. This process improves system efficiency, extends component lifespan, and prevents recurring faults. Post-flush corrosion inhibitor treatment is included to maintain system integrity.
Gas Safety Checks
Our certified engineers conduct thorough gas safety inspections for residential properties. Landlords receive instant digital certificates via our Gas Engineer Software, with automated renewal reminders. We service all major boiler brands and maintain strict compliance with Gas Safety (Installation and Use) Regulations.
People
Gareth Williams
Founder & Director
With 32 years' experience since his Wales Gas apprenticeship in 1986, Gareth leads our Gas Safe Registered team. His technical expertise and commitment to customer satisfaction have established the company's strong local reputation.
Questions
What boiler installation costs can I expect?
Prices start from £2,399 for basic models up to £3,999 for premium installations. Quotes include parts, labour, and magnetic filters with warranties up to 10 years.
Do you offer boiler servicing packages?
Yes, annual servicing from £96 includes comprehensive checks, digital reporting, and automated renewal reminders. Manufacturer warranties require annual maintenance.
Are financing options available?
We offer 3, 5, or 7-year finance plans through our credit broker partner. Applications receive instant decisions with flexible repayment terms.
Which areas do you cover?
We serve Newport, Cardiff, and surrounding South Wales areas. Additional fuel supplements may apply for locations outside our primary service radius.
What accreditations do you hold?
We're Gas Safe Registered (233679) and manufacturer-accredited installers for Vaillant, Baxi, Ideal, and ATAG. Our engineers maintain current industry certifications.