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Professional Plumbing and Heating Services in Southampton
Established as a trusted local plumbing and heating service, Watertight Plumbing delivers professional solutions across Southampton and surrounding areas. Our team of City & Guilds-qualified engineers holds full Gas Safe registration (526969), ensuring compliance with industry standards for gas work. Specialising in powerflushing, boiler installations, and central heating systems, we prioritise customer satisfaction through competitive pricing and transparent service. With years of experience, we combine technical expertise with a personal touch, offering emergency call-outs and guaranteed work covered by 1 million public liability insurance.

Our commitment to quality is reflected in positive testimonials highlighting punctuality, reliability, and exceptional craftsmanship. We serve residential clients in Brighton, Portsmouth, Ringwood, Lymington, Eastleigh, Romsey, Gosport, Winchester, and beyond. All projects adhere to health and safety regulations, with waste disposal managed responsibly. Customer service remains our priority, ensuring clear communication and satisfaction from initial consultation to project completion.
Services
Powerflushing Boiler Installations Central Heating Systems Shower Repairs Landlord Certificates Bathroom Fitting Gas Appliance Servicing Radiator Installation Underfloor Heating System Servicing
Highlights and features
  • Fully Gas Safe registered engineers with City & Guilds qualifications
  • Emergency call-outs available for urgent plumbing needs
  • Competitive pricing with itemised quotes for transparency
  • 1 million public liability insurance for client peace of mind
  • Positive testimonials highlighting reliability and craftsmanship
Associations and certifications
  • Gas Safe Register
What people say
Excellent work Highly recommend Very thorough Prompt service Outstanding standards
Services
Powerflushing
Powerflushing removes sludge and debris from central heating systems, restoring efficiency and preventing breakdowns. Our process ensures optimal performance for residential properties. Clients benefit from extended system lifespan and reduced energy costs through this specialist service.
Boiler Installations
We supply and install modern combi-boilers, including system repositioning and upgrades. All work complies with Gas Safe standards, with transparent pricing and minimal disruption. Homeowners receive tailored solutions for improved heating efficiency and hot water supply.
Central Heating Systems
Full system design and installation services cover radiators, thermostats, and underfloor heating. Our engineers deliver custom layouts for new builds or renovations. Projects include pipework modifications and energy-efficient component integration across residential properties.
Shower Repairs
We repair and replace shower cubicles, mixers, and electric showers. Emergency call-outs address urgent leaks or malfunctions. Clients receive durable installations with compatibility checks for existing plumbing systems and water pressure requirements.
Landlord Certificates
Annual gas safety inspections for rental properties ensure compliance with legal requirements. Our engineers issue Landlord Gas Safety Records after thorough appliance checks. Landlords benefit from prompt scheduling and detailed documentation for tenant safety and regulatory adherence.
Questions
Do you offer emergency plumbing services?
Yes, we provide emergency call-outs for urgent heating and plumbing issues with prompt response times.
Are your engineers Gas Safe registered?
All our gas work is carried out by fully qualified engineers holding Gas Safe registration number 526969.
Which areas do you cover?
We operate across Southampton, Portsmouth, Brighton, Ringwood, Lymington, Eastleigh, Romsey, Gosport, and Winchester.
What payment methods do you accept?
We accept major debit/credit cards and bank transfers. Payment terms are confirmed prior to commencing work.
Do you provide guarantees for your work?
All services come with a full guarantee and are covered by £1 million public liability insurance.
Can you assist with landlord gas safety certificates?
Yes, we conduct annual gas safety inspections and issue Landlord Gas Safety Records for rental properties.