About Us

20 Years+ Experience and Knowledge

TWS Plumbing & Heating Ltd was founded by Managing Director Tom Sandell in 2010. Tom has over 20+ years’ experience in the plumbing, heating, renewable energy and mechanical ventilation sector. His personable approach together with his extensive knowledge of the industry have contributed towards the success of the business. Tom’s passion for sustainable heating made TWS Plumbing & Heating Ltd become one of the 1st companies in the area to achieve MCS accreditation for Heat Pumps and Biomass Boiler Installation. 

Tom’s forward thinking, solution focused approach and attention to detail has enabled our clients to enjoy a greener and low carbon way of heating their homes. TWS Plumbing & Heating Ltd invest heavily in our teams continued development and product knowledge to enable us to provide our clients with a full bespoke service.

A Highly Qualified and Skilled Team

The business employs a small but highly qualified team of expert plumbing and heating engineers with decades of experience between them. The team are accredited to carry out all aspects of the industry both in the domestic and commercial sectors. We also employ a number of Apprentice Plumbing and Heating Engineers, keen to share our knowledge and train the next generation of skilled engineers. 

We pride ourselves with our quality of workmanship and have invested heavily in the training and professional development of our team. All our engineers are fully qualified to ensure we can provide a comprehensive service to our clients. 

We offer expert impartial advice on the most efficient and sustainable system and can provide free comprehensive quotations. We are recommended installers for Grant boilers and heat pumps, Mitsubishi, and Kensa Heat Pumps.

Located in Calne, Wiltshire we cover all areas of Wiltshire, Bath, and the South West. We provide a bespoke service whatever the scale and requirements of your project.

What Makes Us Different?


Impartial Advice

Free, comprehensive advice for your project

Bespoke Design

Systems designed to suit projects individual requirements

Complete Packages

Full system package for new builds and conversions

Find out more about our services and how we can help you.

Renewable Energy

• Solid Fuel & Biofuel Heating Systems
• ​Ground Source Heat Pumps
• Air Source Heat Pumps

Heating Services

• Domestic Oil, Gas & LPG Installations & Servicing
• ​Log Burning Stoves & Solid Fuel
• Specialists in Underfloor Heating

Get in Touch