Proven Mechanical & Ventilation Solutions

For over 30 years we’ve delivered high quality installations and services across the commercial, public and private sector for clients in our local area covering London, Kent, Surrey, and Essex. Our commitment to client projects has earned us an outstanding reputation in the industry, valuing long-term relationships and pride in our work.

Family-Run Since 1994

GM Mechanical is a leading plumbing and heating company based in Kent, with decades of experience at the forefront of the industry, GM Mechanical specialises in a comprehensive range of services including boiler installation, central heating repairs, emergency plumbing, and system maintenance. Their skilled team ensures reliable, efficient solutions tailored to both residential and commercial clients. Known for their commitment to quality and customer satisfaction, GM Mechanical remains a trusted choice for plumbing and heating needs throughout England.

  • Comprehensive heating system installation and maintenance

  • Expert air conditioning services including repair and replacement

  • Tailored commercial HVAC system design and implementation

  • 24/7 rapid response service and Emergency plumbing repairs

  • Scheduled preventative maintenance programmes

Exterior view of a grey commercial building with black-framed windows, surrounded by parked cars and a landscaped flower bed, on a cloudy day.

Commercial Grade Systems.
Expertly Delivered.

At GM Mechanical, we provide dependable, high-quality plumbing and heating services for commercial and industrial properties across the southeast. With over three decades of experience, we understand the critical role the well-designed and properly maintained systems play in keeping buildings running safely and efficiently. Our long-standing team work on commercial projects across the UK, and carry out most of our installation and maintenance work in our local region of London, Kent, Essex, and Surrey, including; Ashford, Basildon, Bromley, Camden, Canterbury, Chatham, Chelsea, the City, Crawley, Croydon, Dartford, Epsom, Gillingham, Grays, Hackney, Haringey, Hounslow, Islington, Kensington, Kings Hill, Kingston upon Thames, Leicester, Maidstone, Manchester, Medway, Richmond, Rochester, Romford, Sevenoaks, Sheerness, Streatham, Sutton, Swanley, Tunbridge Wells, Twickenham, Wandsworth, and Westminster.

A plumbing system with insulated pipes, pressure gauges, control valves, and two covered units mounted on a wall.

Plumbing & Heating

From high-capacity heating installations to full-scale plumbing system design, we offer a complete service that’s built around precision, compliance and long-term performance.

A mechanical room with interconnected pipes, valves, a large water heater tank, filtration units, a red expansion tank, a control panel, gauges, and PEX piping.

Renewable Heating Solutions

We specialise in the design, installation, and maintenance of ground source and air source heat pumps—two of the most efficient and environmentally friendly heating technologies available today.

Outdoor heat pump unit installed next to a brick house wall with an electrical disconnect switch nearby.

Ventilation Services

We understand that ventilation is more than comfort. It’s about health, safety and performance. That’s why every system we deliver is engineered to meet the unique demands of your building and your business.

Discover Our Previous Work

  • Modern hotel entrance with a large, reflective, curved canopy and illuminated signs that say 'Radisson' and 'RED' at dusk.

    Radisson Hotel , Heathrow Airport

    We successfully delivered the installation of a new commercial plant room serving the gym and pool areas at the Radisson Hotel, Heathrow Airport. The works included the supply and installation of high-efficiency boilers, pumps, and heat exchangers, along with associated ventilation, pipework, and controls. Designed to ensure optimal performance and energy efficiency, the system provides reliable heating and hot water to meet the demands of the hotel's leisure facilities.

  • An empty indoor basketball court with multiple hoops, wooden flooring, high ceiling with lights, and walls with doors and windows.

    Broomhill Bank School , Tonbridge

    We carried out a comprehensive mechanical installation within the sports hall, focusing on the changing room facilities and main hall heating. Works included the complete installation of new services to the changing, shower, and toilet areas—distributing hot and cold water services, drainage, ventilation, and sanitaryware. In the main hall, we installed energy-efficient gas-fired radiant tube heaters to provide effective and responsive space heating, ensuring comfort and usability throughout the year.

  • A historic stone building at night with arched windows and a small balcony, illuminated by streetlights.

    Rochester Bridge Trust, Kent

    We delivered specialist mechanical services within a Grade II listed building, carefully balancing modern efficiency with the preservation of historic features. The installation included a low-carbon heating solution using air source heat pumps to provide sustainable and energy-efficient heating throughout the building. High-end sanitaryware was installed in the toilet areas, with meticulous attention to detail to ensure all finishes complemented the character and aesthetics of the heritage interior. All works were completed in line with conservation requirements and to the highest standards of quality and discretion.

  • Modern commercial building with gray and wooden exterior, painted signage, and an empty parking lot in the foreground, under a partly cloudy sky.

    Jasmin Vardimon Dance Sudio, Ashford

    We delivered the full mechanical installation for one of the largest new build dance studios in the Kent area. The project included the design and installation of a central plant room housing energy-efficient heating and hot water systems to serve the entire facility. Heating distribution was carefully designed to ensure consistent comfort across large open studio spaces, with a dedicated ventilation system providing fresh air and maintaining indoor air quality.

  • A modern brick building with large windows, white accents, and a sloped roof, surrounded by a park and trees.

    Kent College Canterbury

    We were proud to deliver the full Mechanical and Electrical (M&E) package for this state-of-the-art new build theatre. Our scope included the design and installation of energy-efficient HVAC systems, specialist controls, heating distribution, ventilation and extract systems, and visual infrastructure to meet the complex technical requirements of a modern performance space. Delivered to the highest standards, the project showcases our expertise in supporting cultural and community-focused developments.