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Trusted Plumbing & Heating Services in London
Established for many years, UNIONGAS offers comprehensive plumbing and heating services across London. Our team of Gas Safe registered engineers brings over a decade of industry experience, combining technical expertise with a commitment to reliability and customer satisfaction. We prioritise punctuality, transparent pricing, and honest communication, ensuring every project meets modern standards of quality craftsmanship. Our services span boiler installations, gas safety certifications, fault diagnostics, and domestic plumbing solutions, tailored to both residential and commercial needs.

With a focus on exceeding client expectations, we maintain a reputation for delivering affordable, high-quality work while adhering to strict safety protocols. Our dedication to valuing each client relationship has fostered a loyal customer base, reflected in our track record of repeat business and referrals.
Services
Boiler Services Gas Boiler Installation Gas Safety Certificates Domestic Gas Servicing Fault Finding Repairs Heating Controls Gas Pipework Plumbing Services Leak Repairs Appliance Installation
Highlights and features
  • We have over 10 years' experience in plumbing and heating services.
  • All engineers are Gas Safe Registered for safety and compliance.
  • We provide 24/7 emergency repair services for urgent issues.
  • Transparent pricing with no hidden fees or unexpected costs.
  • Our team prioritises customer satisfaction through personalised service.
Associations and certifications
  • Gas Safe Register
Services
Boiler Services
Our boiler services include installation, servicing, and emergency repairs for domestic and commercial properties. We work with leading brands to ensure efficient heating systems. All work is carried out by Gas Safe registered engineers.
Gas Safety Certificates
We provide Landlord and Homeowner Gas Safety Certificates, ensuring compliance with UK regulations. Our engineers inspect gas appliances and pipework to guarantee safety and legal compliance for rental properties.
Plumbing Services
From leak repairs to full bathroom installations, our plumbing services cover kitchens, bathrooms, and hot water systems. We address both emergency and scheduled maintenance needs with minimal disruption.
Heating Controls
We install and repair heating controls, including smart thermostats and programmable systems. Our solutions enhance energy efficiency and temperature management for residential and commercial spaces.
Fault Finding
Our team specialises in diagnosing and resolving heating and plumbing faults. We offer rapid response times for breakdowns, ensuring swift restoration of essential services in homes and businesses.
Questions
What areas do you cover?
We operate throughout London, providing plumbing and heating services in residential, commercial, and rental properties across the city.
Are your engineers Gas Safe registered?
Yes, all our plumbers and heating engineers are fully Gas Safe registered, ensuring compliance with UK safety standards for gas work.
Do you offer emergency repairs?
We provide 24/7 emergency repair services for urgent plumbing or heating issues, including boiler breakdowns and gas leaks.
What services do you offer?
Our services include boiler installations, gas safety certificates, plumbing repairs, heating controls, and emergency fault diagnostics for domestic and commercial clients.
How much do your services cost?
Plumbing services start from £60 per hour. We provide transparent quotes with no hidden fees before commencing any work.
How experienced are your engineers?
All our engineers have over 10 years' experience in plumbing and heating, with specialist training in Gas Safe registered procedures and modern system installations.