Welcome to Plumb Line – specialists in central heating and renewable energy

plumbline-team Plumb-Line Contracting Ltd is one of the most experienced and successful central heating companies in the Midlands, based in Northamptonshire. We specialise in residential central heating systems and domestic contracts, new build properties, commercial contracting and central heating for small to medium-sized commercial premises.

Servicing the needs of domestic and commercial customers, we deliver a highly professional and personal service, including installation and maintenance for a complete range of fuel types. 

We are also accredited installers for the government's Green Homes Grant, ECO , and Renewable Heat Incentive schemes.

We provide:

  • A reliable and professional installation service by qualified engineers
  • Energy efficient boilers with the latest technology from industry-leading manufacturers
  • An efficient service to minimise disruption
  • Peace of mind in dealing with a company with the experience, longevity and capacity to honour all manufacturers’ guarantees
At Plumb-Line we have been specialising in central heating systems and delivering an efficient, professional and friendly service for over 25 years. We provide services for the following:
Click on the links above to find out more about our specific services to meet your needs.

Plumb-Line is PAS2030, Green Deal and MCS accredited, and registered by Gas Safe, NICEIC, HETAS and OFTEC. See our full list of accreditations here.