Expert Plumbing,
Heating & Building Services in London
With over 40 years of industry experience, we provide reliable, high-quality plumbing and heating and building services throughout London and the surrounding areas. Get a quote today.
About K Marsh Plumbing & Heating Ltd
Whether it’s a leaking tap or a full central heating installation, we treat every job with the same care, precision, and professionalism. We firmly believe that every customer deserves the highest standard of service – no matter how big or small the job.
Fully Qualified. Highly Accredited. Always Professional.
All of our engineers are Gas Safe registered and fully qualified, with the skills and certifications to manage everything from day-to-day maintenance to advanced heating solutions. We’re proud to be:
- Gas Safe Registered – ensuring all gas work is compliant and safe
- ERS Certified – for assured, accountable workmanship Viessmann
- Accredited Installers – providing top-tier boiler systems
- Blue Flame Certified Installers – enabling us to self-certify plumbing works under Building Regulations






Our Services
Comprehensive plumbing, heating and property solutions for residential and commercial clients.
Plumbing, Heating & Renewable Services
General Plumbing
& Drainage
Repairs & maintenance for all plumbing issues from leaky taps to pipe replacements.
Boiler Servicing & Landlord Gas Safety Certificates (CP12)
Servicing, repairs and emergency breakdown response. Gas safety certificates.
Full Heating System Installations & Boiler Upgrades
System design, upgrades, radiator installations and power flushing.
Hot Water Cylinders & Cold Water Pressure Upgrades
Tailored solutions to boost your water pressure and overall performance.
Heat Pump Installations – Powered by Viessmann
Energy-efficient air source heat pump installations for the future.
Air Conditioning Installation
& Servicing
Installation and maintainence of air conditioning systems.
Full Property Solutions
Full Property Refurbishment
Complete house refurbishments tailored to your requirements.
Bathroom Design, Installation
Bespoke bathroom design and complete installation services.
Roofing & Brickwork
Roofing installations, repairs, brickwork, plastering and rendering.
Painting & Decorating Services
From crisp paint finishes to detailed wallpapering and coving.
- 24-Hour Emergency Call-Outs Available
We know that plumbing and heating issues don’t keep to a schedule—which is why we offer a 24/7 emergency call-out service.
Our Accreditations
We’re proud to maintain the highest standards in the industry with our professional accreditations.
Gas Safe Register
All gas work compliant and safe
ERS Certified
Assured, accountable workmanship
Viessmann Accredited
Top-tier boiler systems
Blue Flame Certified
Self-certify under Building Regulations
Peace of Mind with Every Service
Our accreditations aren’t just logos – they’re a guarantee of our commitment to safety, quality, and professional standards. When you choose K Marsh, you’re choosing certified experts who take pride in their work.








Why Choose K Marsh Plumbing & Heating Ltd?
Over 40 Years’ Experience
Decades of service excellence and industry knowledge you can trust.
Gas Safe & Industry Accredited
Fully qualified team with all the necessary certifications.
Customer-Focused Approach
System design, upgrades, radiator installations and power flushing.
24/7 Emergency Response
Help is always available when you need it most.
Heat Pump Specialists
Expertise in energy-efficient heating solutions for the future.
Clear, Competitive Pricing
Transparent quotes with no hidden fees or surprises.
“Our mission is simple: to provide top-quality workmanship and outstanding customer service on every project.”
Clear, Competitive Pricing
Choose from the Monthly or Annual plans below with further savings on multiple households.
Contact Us
Contact us today for expert advice or a free, no-obligation quote.
Get In Touch
-
Phone
020 867 98567 | 07776 027235
Available 24/7 for emergencies -
Email
enquiries@kmarshplumbing.com -
Address
London and surrounding areas -
Office Hours
Monday-Friday: 8am-6pm Saturday: 8am-1pm
Sunday: Closed (Emergency service available)
Request a Quote