New Build
Plumbing and Heating Contractors

Fully accredited plumbing & heating installers with over two decades of experience.

Gas Safe Engineers


Quality Management

ISO 9001 : 2015

Environmental Management

ISO 14001 : 2015

Welcome to

Stagg Plumbing and Heating

Based in Welwyn Garden City, Stagg Plumbing and Heating are your premier choice for plumbing and heating solutions in new build construction projects. With a team of qualified engineers and a track record of delivering high quality work, we are your trusted partners in making your new construction project a resounding success.

For over two decades, our commitment to excellence has been unwavering. We take pride in our long-standing reputation for delivering exceptional results, building lasting relationships with our clients.

We also now cover residential servicing and breakdown. Check out our services to view our full scope of works.

Latest News

Why choose us?

Specialized New Build Expertise

With a focus on new constructions, our team brings a specialized skill set to the table. We’re well-versed in the intricacies of plumbing and heating systems for modern homes, offering tailored solutions that enhance the overall quality of your new builds.

Timely Project Coordination

We understand the importance of staying on schedule during new builds. Our plumbing and heating services are geared towards seamless integration, ensuring that installations are carried out efficiently and align perfectly with your construction timeline.

Dedicated After-Sales Support

Our commitment extends beyond installation. With dedicated after-sales support, we ensure the enduring performance of plumbing and heating systems in your new builds, providing ongoing value and peace of mind to both you and homeowners.

Trusted Partners

Get in touch for a free, no obligation quote

Areas We Cover

Our network of plumbers and engineers operate throughout the Home Counties, including the following towns:

  • Welwyn Garden City
  • Stevenage
  • St Albans
  • Hemel Hempstead
  • Watford
  • Barnet
  • Finchley
  • Harrow
  • Milton Keynes
Got a project outside of this area? We’re here to help – get in touch!

Book your boiler service or repair with us today!

For more information about our services, or to take a free, no obligation quote, get in touch below.