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Expert Plumbing & Heating Services in Dorset
Established over 25 years ago, D & B Mechanical has built a reputation as a trusted provider of plumbing and heating solutions across Dorset. Our team of Gas Safe registered engineers and City & Guilds qualified professionals deliver comprehensive services for both domestic and commercial clients, specialising in gas installation, boiler maintenance, and system design. With accreditations from leading industry bodies including Trust Mark and the Chartered Institute of Plumbing and Heating, we prioritise safety, compliance, and technical excellence in every project. Our commitment to quality is evidenced by our B&ES Trustmark Double Guarantee, offering two years of coverage for workmanship and an additional four years for major damage protection.

We serve diverse sectors including education, healthcare, hospitality, and residential properties, providing tailored solutions that meet specific building requirements and budgets. Our partnership approach ensures collaborative project delivery while maintaining strict adherence to health and safety standards through expert consultancy with Chris Cahill Ltd. From emergency repairs to full system installations, we combine technical expertise with prompt, courteous service to guarantee customer satisfaction across Dorset.
Services
Boiler Installation Gas Pipework Annual Servicing Emergency Repairs Bathroom Fitting Commercial Heating Landlord Certifications Pool Boiler Maintenance Ventilation Systems Water Heater Repairs
Highlights and features
  • We have over 25 years of local experience in Dorset
  • Our engineers hold Gas Safe and City & Guilds qualifications
  • We offer 24/7 emergency repair services
  • All work complies with Trust Mark and B&ES guarantees
  • We specialise in both domestic and commercial properties
Associations and certifications
  • Gas Safe
  • Water Industry Approved Plumbers
  • Building Engineering Services Association
  • Trust Mark
  • Chartered Institute of Plumbing and Heating
Services
Boiler Installation
We specialise in domestic and commercial boiler installations for natural gas and LPG systems. Our Gas Safe engineers ensure safe, compliant installations with options for complete boiler room packages. All work meets current regulations and includes comprehensive guarantees.
Emergency Repairs
Our certified engineers provide urgent fault finding and repairs for heating systems, gas appliances, and plumbing emergencies. Available 24 hours a day, 7 days a week, with rapid response times across Dorset for both domestic and commercial properties.
Gas Installation
We handle gas pipework installation and relocation for residential and commercial properties. Services include safety checks, pressure testing, and system commissioning, with full compliance to Gas Safe standards and building regulations.
Annual Servicing
Professional servicing of boilers, water heaters, and gas appliances for both domestic and commercial clients. Our maintenance packages help prevent breakdowns, ensure safety compliance, and extend equipment lifespan through thorough inspections and adjustments.
Bathroom Installation
We offer complete bathroom installations including new suites, plumbing, and heating integration. Our team handles all aspects from WC and basin fitting to radiator installation, ensuring watertight, code-compliant results with minimal disruption.
Questions
What areas do you cover?
We provide plumbing and heating services throughout Dorset, including Weymouth, Chickerell, and surrounding areas for both domestic and commercial properties.
Are your engineers qualified?
Yes, all our engineers are Gas Safe registered with City & Guilds qualifications. We maintain industry accreditations including Trust Mark and Chartered Institute of Plumbing certifications.
Do you offer emergency services?
Yes, we provide 24/7 emergency repair services for plumbing, heating, and gas appliance issues across Dorset with rapid response times.
What guarantees do you offer?
Our work is covered by the B&ES Trustmark Double Guarantee - 2 years for workmanship and performance, plus 4 additional years for major damage protection.
Can you handle commercial projects?
Yes, we specialise in commercial plumbing and heating projects including boiler rooms, ventilation systems, and maintenance contracts for schools, hotels, hospitals, and industrial units.