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Your Trusted Plumbing & Heating Experts in Hampshire, Berkshire, Surrey & London
Established with a commitment to excellence, LJS Gas & Heating has become a trusted provider of gas, heating, and water services across southern England. Our Gas Safe registered engineers combine technical expertise with a customer-focused approach, delivering tailored solutions for both domestic and commercial clients. With over three decades of industry experience, we have cultivated strong partnerships with leading manufacturers and suppliers, ensuring access to cutting-edge technology and materials. Our team specialises in comprehensive installations, preventative maintenance, and emergency repairs, prioritising reliability and efficiency in every project. From residential heating systems to large-scale commercial plumbing infrastructure, we maintain rigorous safety standards while optimising system performance.

Backed by our extensive local knowledge and technical certifications, we provide end-to-end project management from initial consultation through to completion. Our dedication to quality workmanship is evidenced by our long-standing client relationships and industry accreditations. We operate across Hampshire, Berkshire, Surrey, and London, offering both scheduled services and urgent response capabilities. Continuous professional development ensures our engineers remain at the forefront of industry advancements, maintaining compliance with all regulatory requirements. This combination of experience, technical proficiency, and client-centric values positions us as a preferred partner for all gas, heating, and water system requirements.
Services
Domestic Gas Engineers Domestic Heating Specialists Domestic Water Services Commercial Water Services Commercial Heating Specialists Commercial Gas Engineers Central Heating Systems Emergency Leak Repairs Radiator Repairs Underfloor Heating
Highlights and features
  • We have 30+ years of experience in gas, heating, and plumbing services
  • Our engineers are Gas Safe registered for commercial and domestic work
  • We maintain partnerships with leading industry manufacturers and suppliers
  • We offer emergency repair services for urgent plumbing and heating issues
  • Our team undergoes continuous professional development for technical excellence
Associations and certifications
  • Gas Safe
  • Vaillant Boilers
  • Ideal Boilers
  • Hamworthy
  • Williams and Co
  • BASSE Solutions
  • BDBC
Services
Domestic Gas Engineers
Our Gas Safe registered engineers provide comprehensive domestic gas services including appliance installation, pipework maintenance, and safety checks. We specialise in resolving gas-related issues while ensuring compliance with safety regulations. Our technicians deliver reliable solutions for boiler servicing and emergency gas leak detection.
Commercial Heating Specialists
We offer tailored heating solutions for commercial properties, including system maintenance, boiler upgrades, and control optimisation. Our specialists manage large-scale installations and preventative maintenance programmes. With extensive experience across various business sectors, we ensure efficient heating operations and regulatory compliance for commercial premises.
Emergency Leak Repairs
Our rapid response team addresses urgent water leaks and plumbing failures with immediate repair services. We prioritise property protection through swift diagnosis and resolution of critical issues. Available for both domestic and commercial clients, our emergency service minimises damage and restores system functionality efficiently.
Underfloor Heating
We design and install modern underfloor heating systems for residential properties, offering both wet and electric solutions. Our specialists ensure optimal thermal efficiency and comfort through precise system planning. We also provide maintenance and troubleshooting for existing underfloor heating installations.
Radiator Repairs
Our engineers perform comprehensive radiator diagnostics, repairs, and replacements for both domestic and commercial properties. We address issues including leaks, cold spots, and pressure problems while optimising system efficiency. Regular maintenance services help prevent breakdowns and extend equipment lifespan.
Questions
What services does LJS Gas and Heating offer?
We provide comprehensive gas, heating, and water services for both domestic and commercial clients, including installations, maintenance, and emergency repairs across Hampshire, Berkshire, Surrey, and London.
Are your engineers qualified and certified?
Yes, our team consists of Gas Safe registered engineers with ongoing professional development, ensuring compliance with all industry standards and safety regulations.
Do you offer emergency plumbing services?
We provide urgent repair services for critical plumbing and heating issues, with rapid response available across our service areas.
Which areas do you cover?
We operate throughout Hampshire, Berkshire, Surrey, and London, supporting both residential properties and commercial premises with tailored solutions.
What commercial heating solutions are available?
We specialise in commercial gas systems, heating maintenance, and control solutions for businesses of all sizes, with experience across various property types.
How do you ensure service quality?
Through continuous training, industry partnerships, and adherence to Gas Safe standards, we maintain technical excellence and customer satisfaction in every project.