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Your Trusted Plumbing & Heating Experts in Southampton
At MH3 Plumbing, Heating & Gas, we pride ourselves on delivering reliable and energy-efficient plumbing and heating solutions tailored to our clients' needs. With extensive experience in both residential and commercial sectors, our commitment to quality ensures every project is completed to the highest standard. We specialise in boiler installations and servicing, bathroom and shower upgrades, central heating systems, and gas safety certifications. Our approach combines technical expertise with a customer-centric philosophy, ensuring transparency, value for money, and lasting client relationships.

Clients consistently commend our professionalism, attention to detail, and ability to transform homes and commercial spaces into functional, stylish environments. We maintain rigorous safety and compliance standards, including Legionnaires' disease risk mitigation, to provide peace of mind. Our local knowledge of Southampton and surrounding areas enables us to deliver swift, targeted solutions while maintaining affordability and craftsmanship.
Services
Boilers Bathrooms and Showers Central Heating Gas Safety Certificates Residential Services
Highlights and features
  • We have over 10 years of experience in residential and commercial plumbing sectors.
  • We provide tailored energy efficiency solutions to reduce utility costs.
  • Our team holds Gas Safety Certification for landlord compliance requirements.
  • Clients consistently highlight our professional approach and attention to detail.
  • We offer comprehensive commercial property assessments with maintenance packages.
What people say
Nothing was too much trouble Highly recommend Professional and trustworthy Excellent all round Very high quality plumber
Services
Boilers
Specialised boiler installation and servicing ensures optimal performance and energy efficiency. Our certified engineers handle all gas safety aspects, including annual checks and emergency repairs. Clients benefit from reduced energy bills and prolonged boiler lifespan through regular maintenance.
Bathrooms and Showers
From minor upgrades to complete renovations, we create stylish, functional bathroom spaces. Our service covers tiling, sanitaryware installation, and walk-in shower solutions. Projects maintain strict timelines while minimising disruption to daily household routines.
Central Heating
Comprehensive central heating system installations and upgrades improve home comfort and efficiency. We offer underfloor heating options alongside radiator replacements. Our assessments identify energy-saving opportunities tailored to property size and usage patterns.
Gas Safety Certificates
We provide legally required annual gas safety checks for rental properties. Our engineers issue certified documentation confirming compliance with current regulations. This service includes identifying potential hazards and offering remedial action plans.
Residential Services
Complete home plumbing solutions cover tap repairs, pipe replacements, and emergency leak fixes. Our approach prioritises durability and minimal property disruption. Clients receive detailed cost breakdowns and work schedule guarantees.
Questions
What plumbing services do you offer for homeowners?
We provide boiler installations, bathroom renovations, central heating upgrades, and leak repairs with a focus on energy efficiency.
Do you provide gas safety certificates for landlords?
Yes, we conduct annual gas safety inspections and issue certified documentation required for rental properties.
Are your engineers qualified for commercial projects?
Our team handles commercial plumbing surveys, maintenance packages, and Legionnaires' disease risk assessments for business properties.
Which areas do you cover for plumbing services?
We serve Southampton, Botley, Burley, Winchester, Warsash, and surrounding areas in Hampshire.