Understand the issue
We start with the fault, the building and the outcome you need—not a one-size-fits-all answer.
ABOUT ASM
We’re ASM Plumbing & Maintenance LTD. We help homeowners, businesses and property teams look after the systems and spaces they rely on.

OUR STORY
From a leaking tap to planned maintenance across a commercial building, our approach starts with understanding what you need.
Based in North London, we work across Greater London and Central London, with nationwide projects considered by arrangement. Our work brings together plumbing, heating, air conditioning, mechanical services and general building maintenance.
We support domestic customers as well as facilities management teams, managing agents and commercial clients. Whether it’s a one-off repair or a conversation about ongoing servicing, you can contact us directly and explain the job in your own words.
OUR TEAM
Led by Alex Marinou, ASM is a hands-on plumbing and maintenance business.
Our engineers work across domestic and commercial properties, bringing together plumbing, heating, air conditioning and wider maintenance skills. Contact us with the details and we’ll discuss the right support for your job.
HOW WE APPROACH THE WORK
We start with the fault, the building and the outcome you need—not a one-size-fits-all answer.
Discuss the scope, access, timing and price before work is arranged.
Where further work is needed, we explain the findings and the recommended next steps.