K Marsh Plumbing & Heating LTD

About

K Marsh Plumbing & Heating Ltd is a professional plumbing and heating contractor operating across London and the surrounding areas, delivering high standard installations, upgrades and maintenance services to both domestic and commercial clients.

We specialise in boiler installations, full central heating systems, unvented hot water cylinders, plant room works and high quality plumbing installations. Our approach is structured, compliant and detail focused, ensuring all works are completed safely, efficiently and in accordance with current regulations.

We are fully Gas Safe registered and G3 qualified for unvented hot water systems. All installations are carried out in line with manufacturer specifications and current Building Regulations, with the appropriate certification issued upon completion.

Our core services include:

Boiler installations and system upgrades
Boiler breakdown diagnostics and servicing
Full central heating design and installation
Unvented cylinder installation and maintenance
Hot and cold water system upgrades
Leak detection and remedial works
Bathroom plumbing installations
Underfloor heating systems
Commercial heating and plant room works

We operate with a clear and professional process from initial enquiry through to completion. Site surveys are conducted where required to ensure accurate scoping, correct appliance sizing and full compliance. Written quotations are provided detailing the scope of works, materials, warranties and timescales, ensuring complete transparency.

On site, we take pride in protecting client properties, maintaining clean working environments and delivering workmanship that reflects the standards expected of a professional contractor. All systems are fully tested, commissioned and demonstrated to the client prior to handover.

Our reputation is built on reliability, technical knowledge and long term client relationships. A significant proportion of our work comes from repeat clients, landlords, managing agents and referrals, reflecting the confidence our customers place in our service.

K Marsh Plumbing & Heating Ltd is committed to delivering compliant, high quality plumbing and heating solutions with clear communication and dependable results.