About Gas Mark Plumbing & Heating

Welcome to Gas Mark Plumbing and Heating — your trusted, family-run plumbing and heating specialists with over 22 years of experience serving homes and businesses across Dorking, Surrey, and surrounding areas.

As a Gas Safe registered company with NVQ Level 3 qualifications in plumbing, we bring a high standard of expertise and professionalism to every project, whether you’re in a small apartment or a grand country estate. From essential repairs to full heating installations, we have the skills and experience to handle any job with care and precision.

We understand that plumbing and heating issues can be stressful, which is why we are committed to making the process as smooth and hassle-free as possible for you. Our customers trust us because we prioritize:

Reliable service that gets the job done right, on time

Clear, honest pricing with no hidden fees

Friendly, professional advice every step of the way

Thorough attention to detail and high-quality workmanship

At Gas Mark Plumbing and Heating, we treat every property with the utmost care and respect. Our team is fully insured, so you can have peace of mind knowing your home is in expert hands.

Gas Mark Plumbing & Heating at a glance

Our Services Include:

Boiler installations and servicing

Landlord Gas Safety Certificates (CP12)

Power flushing for heating systems

General plumbing repairs and maintenance

Specialized water systems for larger properties, including heating

Full bathroom & kitchen installations

Emergency plumbing services

First and second fix pipework

Mains water pressure boosting

Heating & plumbing consultation 

If it involves pipe we can take care of it

Our goal is to provide efficient, long-lasting solutions to your plumbing and heating problems, all while maintaining a high level of customer satisfaction. Whether you're looking for a simple repair or a complete system overhaul, we’re here to help.

We also believe in building lasting relationships with our customers. We don’t just want to fix a problem—we want to earn your trust and be your go-to plumber for years to come. Many of our clients return to us for regular maintenance, knowing they’ll always receive honest, dependable service at a fair price.

Why Choose Us?

22 years of expertise in the plumbing and heating industry

Gas Safe registered and fully insured

NVQ Level 3 certified plumbers ensuring the highest standards

No job is too big or small, from emergency repairs to full system installations

Competitive pricing without compromising on quality or service

At Gas Mark Plumbing and Heating, we’re here to make sure your home or business stays warm, safe, and well-maintained. Whether you need a new boiler, a power flush, or help with a plumbing emergency, you can count on us to deliver with professionalism, skill, and a smile.

© Copyright – All rights reserved. 

We need your consent to load the translations

We use a third-party service to translate the website content that may collect data about your activity. Please review the details in the privacy policy and accept the service to view the translations.