Delta House Maintenance

Delta House Maintenance, established in 1993, has built a strong reputation as a family-run business delivering bespoke mechanical engineering solutions across London and the South East of England. Our approach combines ethical practices with a commitment to health, safety, and continuous risk management, treating employees as extended family. With over 75 years of combined experience in mechanical engineering among our leadership teamincluding directors with 25+ years each and contract managers with 20+ yearswe offer tailored services from initial concept to project handover. Our F-Gas-certified operatives, Constructionline Gold, and SafeContractor accreditations underscore our technical expertise. We maintain long-term relationships with clients ranging from SMEs to global corporations through reliable delivery of air conditioning, ventilation, heating, plumbing, and renewable energy systems.

Our commitment to quality is evidenced by partnerships with major manufacturers like Daikin and Toshiba, extended warranties, and 24/7 breakdown response services. This combination of technical excellence, accreditations, and client-centric values has resulted in consistent returning business across commercial and residential sectors. We maintain strict compliance with industry standards, including BREEAM and CRB-checked employees, ensuring every project meets exact specifications. This track record of reliability and technical proficiency has positioned us as trusted specialists in mechanical systems installation, maintenance, and repair. Today, our legacy of experience continues to drive solutions that balance innovation with practical execution.