Business Details
33 Years
experience
Emergency
services
Bespoke Mechanical Services in London & South East England
Delta House Maintenance is a family-run mechanical services provider established in 1993, serving London and the South East of England. Our approach combines responsible, ethical operations with a commitment to health, safety, and wellness, achieved through continuous risk management and excellence. With over 75 years of combined experience across our team, including directors with 25+ years in mechanical engineering, we deliver tailored solutions for commercial and residential projects. Our services span design, installation, maintenance, and repair, supported by F-Gas certified operatives and accreditations from Constructionline Gold and SafeContractor.We prioritise long-term client relationships, serving SMEs and global corporations alike, while maintaining a workforce trained to industry standards. Our focus on innovation ensures compliance with BREEAM standards and client-specific requirements, backed by extended warranties and 24/7 breakdown support. This legacy of expertise and reliability has cemented our reputation as a trusted partner in mechanical engineering solutions.
Services
Air Conditioning
Ventilation Systems
Heating & Plumbing
Renewables & Heat Pumps
Details
- Year established: 1993
Highlights and features
- We have over 25 years of experience in mechanical engineering services.
- Our F-Gas certified operatives ensure compliance with refrigeration regulations.
- We offer extended warranties on all installations and repairs.
- Our team holds Constructionline Gold and SafeContractor accreditations.
- We provide 24/7 breakdown, repair, and service facilities.
Associations and certifications
- Constructionline Gold
- SafeContractor
- Daikin D1 Approved
- Toshiba T7 Approved
Services
Air Conditioning Systems
We design, install, and maintain air conditioning systems for commercial and residential properties. Our F-Gas certified operatives ensure energy-efficient, compliant installations, including VRV/VRF systems. Projects range from single units to large-scale office refurbishments, with extended warranties and 24/7 breakdown support.
Ventilation Systems
Our ventilation solutions include mechanical and heat recovery systems for residential and commercial buildings. We ensure compliance with health and safety standards, integrating systems into new builds and refurbishments while prioritising indoor air quality and energy efficiency.
Heating and Plumbing
We provide comprehensive heating and plumbing installations, including underfloor heating and hot/cold water systems. Our services cater to residential developments and commercial projects, with a focus on durability, compliance, and tailored solutions for client needs.
Renewables & Heat Pumps
We specialise in renewable energy systems, including air source heat pumps and solar-compatible installations. Our solutions reduce carbon footprints while meeting modern efficiency standards, supported by expert design and maintenance services for residential and commercial properties.
Questions
What areas do you operate in?
We operate throughout London and the South East of England, covering both commercial and residential projects.
Are you certified for refrigeration work?
Yes, our operatives are F-Gas certified, ensuring compliance with refrigeration and air conditioning regulations.
Do you offer emergency repair services?
Yes, we provide 24/7 breakdown and repair facilities for urgent mechanical system issues.
What accreditations do you hold?
We are accredited by Constructionline Gold, SafeContractor, Daikin D1, and Toshiba T7 for our mechanical services.
Can you handle large-scale commercial projects?
Yes, we have experience with major office refurbishments, schools, and BREEAM-compliant developments.
How long have you been in business?
Delta House Group has been incorporated since 1993, with directors holding over 25 years of industry experience.
