Plumber (London)

Number of employees

4300

London (GB)

Posted on: 2026-10-06

Category: energy

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Employment type:

Full time

Experience required:

Intermediate

Salary

Salary not provided

About the company:

We're on a mission to make a big green dent in the universe by building a truly sustainable energy system globally.

That means making power greener, smarter, and more affordable for everyone.

We put customers at the heart of everything we do: with always-fair prices, transparency and outrageous customer service.

We drive system change: with transformative tech to make renewable energy the norm and end global reliance on fossil fuels.

Octopus Energy Group is made up of 10 businesses spanning 6 countries across 3 continents, including: Octopus Energy Retail, Kraken Technologies, Octopus Energy Generation, Kraken Flex, Octopus Electric Vehicles, and the Octopus Centre for Net Zero. More on OEG @ octopusenergy.group

Help us make a big green dent in the universe. We're on a mission to drive the global renewable energy revolution, and we need loads more people to help us make our vision a reality.

If this sounds like you then we'd love to hear from you.

Are you ready for a career with us? We want to ensure you have all the tools and environment you need to unleash your potential. Need any specific accommodations? Whether you require specific accommodations or have a unique preference, let us know, and we'll do what we can to customise your interview process for comfort and maximum magic!

Studies have shown that some groups of people, like women, are less likely to apply to a role unless they meet 100% of the job requirements. Whoever you are, if you like one of our jobs, we encourage you to apply as you might just be the candidate we hire. Across Octopus, we're looking for genuinely decent people who are honest and empathetic. Our people are our strongest asset and the unique skills and perspectives people bring to the team are the driving force of our success. As an equal opportunity employer, we do not discriminate on the basis of any protected attribute. Our commitment is to provide equal opportunities, an inclusive work environment, and fairness for everyone.

You'll be responsible for:

  • Working as part of a team of two to install low carbon technology in customers’ homes, starting with Air Source Heat Pumps. 
  • Using your knowledge and experience of domestic heating and plumbing systems to prepare and install unvented cylinders, pipework, and radiators 
  • Planning and communicating with the wider team and customers 
  • Continuously learning about new technologies at our innovative R&D training centre 
  • What do we need from you?

  • Minimum Level 2 NVQ in: Plumbing and Heating or Mechanical Engineering Services - Plumbing (domestic) AND/OR Gas Qualified with CCN1 and CENWAT, held for a minimum of three years
  • Experience on the ‘wet’ side of domestic heating systems
  • Full UK driving licence with no more than 6 points
  • Other qualities we'd love to see include:

  • A laser customer focus - communication is key 
  • A proactive, ‘can do’ attitude 
  • A keen eye for detail and problem-solving skills 
  • WRAS Water Supply Regs or UHW10/HWSS Unvented DHW Storage Systems can also be beneficial but not essential! 
  • Join us in the Octoverse!

  • £26,000 - £30,000 base salary with overtime available (+ London weighting if living within M25) 
  • £2,500 annual performance bonus 
  • Share Options in Octopus Energy 
  • £25 per week lunch allowance 
  • Training programme at our groundbreaking R&D centre 
  • Use of company tools, uniform and all PPE 
  • Company Vehicle and fuel 
  • Support for personal development in Renewable Tech 
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