Award-winning building services maintenance, engineering and support services for you and your residents
Building services maintenance, heating and emergency engineering solutions.
For over 30 years, we’ve partnered with property managers and managing agents to ensure their buildings operate efficiently, sustainably and reliably.
Specialising in mechanical and electrical heating and hot water maintenance, our expert engineers provide 24/7/365 M&E and breakdown support across London, the Home Counties and Eastern England:
• Building services maintenance and engineering solutions
• Heating, hot water & boiler plant
• Heat networks & energy centres
• Maintenance schedules and emergency breakdown services
We’re committed to making your properties more efficient and sustainable, safeguarding your assets, and driving towards a net-zero future with innovative solutions.
Property Maintenance Company of the Year 2024
AND Highly Commended for Contractor of the Year!
We’re thrilled to announce that DMG Delta has been named Property Maintenance Company of the Year 2024. This recognition shows our commitment to delivering exceptional service, innovative solutions and reliable support in residential property management.
From rapid response during emergencies to sustainable energy system upgrades, our work proves resilience, expertise, and collaboration. Whether it’s restoring critical heating and hot water services for 210 riverside apartments following a catastrophic flood or resolving complex technical failures that averted the relocation of hundreds of residents, DMG Delta consistently goes above and beyond.
Our ISO-certified processes, 24/7/365 availability and focus on energy efficiency ensure long-term solutions that benefit residents and managing agents alike.
What are you looking for?

Heating, Hot Water & Boiler Plant
Building services repairs, maintenance & engineering

Heating & Cooling Engineering
Optimised asset performance & energy efficiency

24/7/365 Breakdown
I need an Engineer: 24/7/365 emergency response

Planned Maintenance
I need to book in Planned Preventative Maintenance

Technical Services
Technical Services

Water Quality & Control
Water Quality & Control

Total Heat & Energy Solutions
I want all my Heat & Energy solutions under one roof

Metering & Billing
I need the best Metering & Billing Solution for me and my residents

Energy Procurement
Energy Procurement
Looking for a Total Heat and Energy Management Solution, with all your maintenance, energy procurement, metering & billing under one roof?
Heat and Energy Management Solutions
We’re here to provide the complete heat network and energy management solution for residents, managing agents, developers and building owners.
In partnership with Data Energy, a market leader in energy management through data analytics, we offer a complete solution for your heat networks and energy needs, from maintenance to energy procurement, metering & billing.
Together, we’re driving sustainability, ensuring regulatory compliance, freeing you to focus on what you do best.
Heat Networks & Net Zero
Heat Networks (also known as communal or district heating schemes) are the net zero solution of choice supplying low carbon heating, hot water, and/or cooling efficiently to modern-day apartment blocks.
The benefits of the economies of scale have been identified by national government, and now the use of advanced technology and carefully engineered heat networks is almost standard practice for more densely populated urban environments.

Client Portal
We understand it’s important for clients to be updated every step of the way. So we created a bespoke client portal where you can view invoices, job sheets and status reports.
Not registered yet? Read our user guide to get you started.
Insights & Resources
Replacement HV Transformer
Replacement HV Transformer, HV & LV SwitchgearThe International Institute of Strategic Studies Situation The obsolete equipment was not supported by the original manufacturers. There were no parts available for the existing plant. The old HV transformer was...
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Podcast: Regulations Made Simple: Tune In and Stay Ahead
COMING SOON… Welcome to the first episode of our new podcast series on heat network regulations! In this series, we’re here to help you navigate the evolving world of heat network requirements with a mix of topics, guest hosts, the latest news, and insightful...
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Latest News & Blog
Christmas Opening Times 2021
Christmas Opening Times Our office will be open as usual over the festive period.
Government publishes long-awaited Heat and Buildings Strategy
Yesterday evening, UK government published the long-awaited Heat and Buildings Strategy, a blueprint to reduce carbon emissions from the provision of heat in buildings.
We are now Cyber Essentials Plus Accredited!
We’re delighted to announce we have achieved the Cyber Essentials Plus accreditation, the highest level of certification offered under the Cyber Essentials scheme.
Some of our trusted clients





