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Business Details
23 Years
experience
Trusted Mechanical & Electrical Contractors in London
Established in 2003, we are a London-based mechanical and electrical contracting firm with a combined industry experience of 150 years. Our expertise spans commercial, residential, industrial, ecclesiastical, education, healthcare, and rail sectors. We deliver complex projects from initial design to completion, working closely with clients to ensure timely and budget-conscious outcomes. Our team holds certifications in construction management and health and safety standards. We pride ourselves on maintaining long-term relationships with consultants, contractors, and private clients through our credible track record of exceeding expectations. With an annual turnover of approximately 6 million, we handle projects ranging from 25,000 to 2.2 million.

Our directors bring decades of experience in mechanical and electrical systems, procurement, and quality assurance. We operate across Central London, Greater London, and the Home Counties, offering comprehensive mechanical and electrical services. Our mechanical capabilities include plumbing, heating, ventilation, air conditioning, ductwork, and control systems. Electrical services encompass data installations, fire alarms, CCTV, and specialist lighting schemes. We are committed to maintaining the highest standards in all aspects of our work.
Services
Mechanical Services Electrical Services Ductwork Air Conditioning Renewable Energy Installations
Details
  • Year established: 2003
Highlights and features
  • We offer 150 years combined experience in mechanical and electrical services
  • Our team holds CIOB construction management certifications
  • We deliver complex projects from 25k to 2.2m
  • We maintain long-term relationships with major consultants
  • Our directors have 40+ years industry experience
What people say
Reactive to change Professional and attentive Delivered without fault Prompt issue resolution Great asset to company
Services
Mechanical Services
We provide comprehensive mechanical engineering solutions including commercial plumbing, heating systems, ventilation, and air conditioning. Our expertise covers ductwork installation, renewable energy systems, and mechanical control systems. With 150 years combined experience, we deliver complex mechanical projects from initial design to completion across London and the Home Counties.
Electrical Services
Our electrical contracting services include data and telephone installations, fire alarm systems, and specialist lighting schemes. We handle projects from small domestic installations to large commercial contracts. Our certified engineers deliver electrical solutions for new builds and refurbishment projects across multiple sectors including healthcare and industrial.
Ductwork
We design and install mechanical ventilation systems for commercial and residential properties. Our ductwork solutions include both standard and bespoke configurations to meet specific project requirements. We ensure all installations comply with current building regulations and energy efficiency standards across London and Kent.
Air Conditioning
Our air conditioning services cover system design, installation, and maintenance for commercial and domestic properties. We provide tailored climate control solutions that balance comfort with energy efficiency. Our engineers have experience with both traditional and modern refrigeration systems across various building types.
Renewable Energy Installations
We implement renewable energy systems including solar thermal and heat pump technologies. Our sustainable solutions reduce carbon footprints while maintaining system efficiency. We integrate renewable energy systems with existing mechanical infrastructure across commercial and residential sectors in the Home Counties.
People
Andy Mason
Commercial Director
With over 40 years in the building services industry, Andy oversees estimating, procurement, and quality assurance. He began his career in administrative roles with major mechanical and electrical firms before joining Elmec Southern in 2003.
Glenn Gatehouse
Contracts Director
A qualified CIOB construction manager with extensive health and safety certifications, Glenn has led mechanical and electrical projects for 17 years. He joined Elmec Southern at its formation in 2003 after completing a five-year apprenticeship and twelve years in field operations.
Mark Thompson
Electrical Director
Bringing 15 years of electrical contracting experience, Mark joined Elmec Southern in 2021. He previously ran his own successful electrical business, specialising in commercial and rail sector projects before integrating his operations with Elmec Southern.
Questions
What sectors does Elmec Southern Southern work in?
We operate across commercial, residential, industrial, ecclesiastical, education, healthcare, and rail sectors throughout London and the Home Counties.
How long has Elmec Southern Southern been established?
We were formed in 2003 through the merger of BL Plumbing and Elmec Southern (UK) Ltd, combining 150 years of industry experience.
What project sizes do you handle?
We manage projects ranging from £25,000 to £2.2 million in value, adapting our approach to each client's specific requirements.
Are your engineers certified?
Yes, our team includes CIOB-certified construction managers and holds multiple health and safety qualifications across mechanical and electrical disciplines.
Do you work on design and build projects?
We offer full-service delivery from initial design through to completion, working on design and build, specification, or bill of quantities basis.