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Your Trusted Plumbing & Gas Services in South Wales
SDW Plumbing & Heating Services is a family-run business with over 30 years of experience in the plumbing and heating industry. We pride ourselves on delivering high-quality craftsmanship and exceptional customer service across South Wales, including Neath, Port Talbot, Swansea, and Llanelli. Our team of Gas Safe registered engineers provides 24/7 emergency callout services, ensuring prompt solutions for leaks, boiler issues, and other plumbing emergencies.

We specialise in boiler installations, servicing, and maintenance, including unvented hot water systems, while offering competitive pricing and a 10-year warranty on Worcester boilers. Our commitment to transparency, public liability insurance, and client satisfaction has earned us a reputation as a trusted local service provider, with numerous testimonials highlighting our professionalism and attention to detail.
Services
Gas Services Boiler Installation Boiler Servicing Emergency Plumbing Landlord Certificates
Highlights and features
  • We offer 24/7 emergency callout services for urgent plumbing needs.
  • Our team holds Gas Safe and HETAS registrations for compliance and safety.
  • 10-year warranty on Worcester boiler installations for peace of mind.
  • Family-run business with over 30 years of local plumbing expertise.
  • Free, no-obligation quotations with detailed project surveys.
Associations and certifications
  • Gas Safe Register
  • HETAS
What people say
Excellent workmanship Prompt emergency service Highly recommended Competitive pricing Professional team
Services
Gas Services
Our Gas Safe registered engineers provide comprehensive gas services, including boiler installations, repairs, and safety checks. We ensure compliance with current legislation and manufacturer guidelines, offering peace of mind for domestic and commercial clients. Our expertise extends to unvented hot water systems and HETAS-registered installations.
Boiler Installation
We supply and install high-efficiency boilers from leading brands like Worcester, with a 10-year warranty on selected models. Our team conducts detailed surveys to recommend optimal solutions, ensuring minimal disruption and maximum energy efficiency for homes and businesses in South Wales.
Emergency Plumbing
Available 24/7, our emergency service addresses burst pipes, leaks, and heating failures across Neath, Swansea, and Port Talbot. We prioritise rapid response times and transparent pricing, with engineers equipped to resolve issues efficiently while maintaining safety standards.
Boiler Servicing
Regular boiler servicing ensures optimal performance and longevity. Our engineers conduct thorough inspections, cleaning, and adjustments in accordance with manufacturer guidelines, helping prevent breakdowns and maintain warranty validity for domestic and commercial systems.
Landlord Certificates
We provide Landlord Gas Safety Records (CP12) for rental properties, ensuring compliance with legal requirements. Our certified engineers inspect gas appliances, flues, and pipework, issuing documented certification to protect tenants and landlords across South Wales.
People
Steve Williams
Owner & Lead Engineer
Steve Williams, a Gas Safe and HETAS-registered engineer, has over 30 years of experience in plumbing and heating. Known for his meticulous approach, he specialises in boiler installations, emergency repairs, and unvented systems, ensuring client satisfaction through transparent communication and expert problem-solving.
Questions
Do you offer 24/7 emergency plumbing services?
Yes, we provide 24/7 emergency callouts for plumbing and heating issues, including weekends and bank holidays.
Are your engineers Gas Safe registered?
All our engineers hold Gas Safe and HETAS registrations for compliance and safety in gas and heating work.
Which areas do you cover?
We serve Skewen, Neath, Port Talbot, Swansea, Llanelli, and surrounding areas of South Wales.
Do you provide boiler servicing and maintenance?
Yes, we offer annual boiler servicing to ensure efficiency, safety, and warranty compliance for domestic and commercial systems.
What warranties do you offer?
We provide a 10-year warranty on Worcester boiler installations and guarantees on all repair work.
Can you issue Landlord Gas Safety Certificates?
Yes, we supply Landlord Gas Safety Records (CP12) after inspecting gas appliances in rental properties.