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Expert Plumbing & Heating Services in Barry, Cardiff & Vale of Glamorgan
Alex Maggs Plumbing has been serving the plumbing and heating needs of residents in the Vale of Glamorgan and Cardiff for over 15 years. Gas Safe registered with number 506963, Worcester Bosch Accredited, and public liability insured, we deliver high-quality workmanship across residential and commercial properties. Our expertise spans bathroom installations, boiler upgrades, central heating systems, and emergency plumbing repairs. We pride ourselves on transparent pricing, competitive rates, and a commitment to customer satisfaction. Our team serves local authorities, schools, and private clients, ensuring every project meets exacting standards.

With flexible financing options and a 12-year guarantee on boiler installations, we prioritise reliability and long-term client relationships. Our local knowledge of Barry, Penarth, Cowbridge, and Cardiff enables tailored solutions for diverse plumbing requirements. We maintain Gas Safe compliance and industry certifications to guarantee safety and professionalism. Customer testimonials and portfolio examples demonstrate our track record of successful projects. From minor repairs to full system installations, we combine technical expertise with a personal service approach.
Services
Boiler installation Bathroom renovations Central heating systems Emergency repairs Gas safety checks Underfloor heating Kitchen installations Power flushing Landlord certificates Renewable energy systems
Highlights and features
  • 15+ years of local plumbing experience in Vale of Glamorgan
  • Gas Safe registered engineers with industry certifications
  • Transparent pricing with no hidden fees
  • 12-year guarantee on Worcester Bosch boiler installations
  • Free annual boiler service with new installations
Associations and certifications
  • Gas Safe Register
  • Worcester Bosch Accredited
Services
Boiler installation
We specialise in Worcester Bosch boiler installations with 12-year guarantees. Our Gas Safe engineers ensure safe, efficient heating solutions for residential properties. Competitive financing options available with no deposit required.
Bathroom renovation
Full bathroom transformations including tiling, sanitaryware, and plumbing. Our team delivers tailored designs with quality materials. Projects completed from concept to final fittings with minimal disruption.
Central heating systems
Complete central heating installations and system upgrades. We incorporate energy-efficient solutions and modern controls. All work complies with current building regulations and safety standards.
Emergency repairs
Urgent plumbing repairs for leaks, blockages, and system failures. While not 24/7 service, we prioritise prompt resolution of critical issues affecting property safety and functionality.
Gas safety checks
Annual gas safety inspections and landlord certificates. Our Gas Safe registered engineers identify potential hazards and ensure compliance with legal requirements for rental properties.
People
Alex Maggs
Owner & Lead Plumber
With over 15 years' experience in the plumbing industry, Alex leads our team of Gas Safe registered engineers. He oversees all installations and ensures compliance with safety standards.
Questions
Do you offer boiler servicing?
Yes, we provide annual boiler servicing to maintain efficiency and safety. New installations include a free first-year service.
Are your plumbers Gas Safe registered?
All our engineers hold Gas Safe registration (No: 506963) for safe and legal gas appliance work.
Can I get financing for installations?
We offer flexible financing options with no deposit required and low monthly payments over 12 years.
What areas do you cover?
We serve Barry, Cardiff, Penarth, Cowbridge, and surrounding areas in the Vale of Glamorgan.
Do you provide emergency plumbing?
We address urgent plumbing issues during normal working hours. For critical emergencies outside these times, we recommend contacting a 24-hour service.
What guarantees do you offer?
Worcester Bosch boilers come with a 12-year parts and labour guarantee. We also provide workmanship warranties on installations.