Plumbing and Domestic Heating Technician Apprenticeship
Unlock a fulfilling and rewarding career with our Plumbing and Domestic Heating Technician Apprenticeship. Learning in state-of-the-art facilities our course ensure you are training in the latest cutting-edge green technologies and sustainable practices, preparing you for the future of the industry.

Course overview
Plumbing and Domestic Heating Technicians plan, select, install, service, commission and maintain all aspects of plumbing and heating systems. Plumbing and domestic heating technicians can find themselves working inside or outside a property. Customer service skills and being tidy and respectful are important qualities as they can often find themselves working in customers’ homes as well as on building sites.
As a competent Plumbing and Heating Technician, the installation of plumbing and heating systems includes accurate measuring, marking, cutting, bending and jointing metallic and non-metallic pipework. Appliances and equipment can include gas, oil and solid fuel boilers as well as pumps, heat emitters, bathroom furniture or controls as part of a cold water, hot water, and central heating or above ground drainage and rainwater systems.
Plumbing and Domestic Heating Technicians are at the forefront of installing new and exciting environmental technologies like heat pumps, solar thermal systems, biomass boilers and water recycling systems. It is important for a plumbing and heating technician to be able to work independently or as a team and use their knowledge and skills to ensure that both the system and appliances are appropriately selected and correctly installed, often without any supervision, and done so in a safe, efficient and economical manner to minimise waste.
Course Facts
Module information
Course Details
Apprentices will complete the level 3 plumbing and domestic heating qualification to develop the skills, knowledge and behaviours they need to plan, select, install, service, commission and maintain all aspects of plumbing and heating systems.
Year 1
- Health and safety including health and safety test which meets the requirements to obtain a CSCS card through the JIB-PMES.
- Common plumbing processes and techniques including use of hand and power tools, types of pipework and their jointing principles, use of clips and brackets to support plumbing and heating pipework and components.
- Installation of domestic plumbing and heating pipework.
- Basic scientific principles including units of measurement, properties of materials, simple machines and basic mechanics.
- Types and layout features of cold water, hot water, central heating and rainwater systems and sanitary appliances pipework systems.
Year 2
- More advanced scientific principles including force, pressure and flow, energy, heat and power, principles of electricity.
- Installing, decommissioning and soundness testing of cold water, hot water and rainwater systems and sanitary appliances and pipework systems.
Year 3
- Commissioning cold and hot water systems.
- Installing, decommissioning, performing soundness testing and commissioning central heating systems.
- Fault diagnosis and rectification on cold water, hot water, central heating and rainwater systems and sanitary appliances and pipework systems.
- Service and maintenance of cold water, hot water and central heating systems and sanitary appliances and pipework systems.
- Sizing and selecting cold water, hot water, rainwater and central heating systems and sanitary appliances pipework systems for dwellings.
- Understanding of domestic fuel systems and environmental technology systems.
- Work on electrical supplies and circuits for the control of plumbing and domestic heating systems.
Year 4
- One of two pathways – gas or environmental technologies.
- Completion of the gas pathway will include ISA/ACS assessment in order to become a member of the Gas Safe Register.
- Completion of the environmental technologies pathway will meet the criteria to register on the MCS competent person scheme for Solar Thermal and Heat Pump nominated technical persons.
The course is usually delivered on a day release basis, meaning you will go to college or a JTL training centre for one day a week and spend the rest of your time at work. Some of our centres offer a block release option.
The End Point Assessment (EPA) is expected to take place in the final 3 months of the apprenticeship. You must pass this to complete your apprenticeship and become a fully qualified plumber. The EPA consists of a multiple-choice test, a design project, a practical installation test, a practical application test and a professional discussion.
Grades of Pass, Merit and Distinction are available.
You can view full details of the Standard for the Plumbing and Heating Level 3 qualification here.
Fully qualified plumbing & heating apprentices can progress into roles such as supervising an apprentice, supervisory roles, project management roles, owning and managing their own business, advanced engineering, design and planning, teaching or training others.
As a fully qualified combined plumber and gas engineer, you can typically earn between £40,000 and £45,000 per year, with earnings exceeding £70,000 if you are self-employed or running your own business.
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We train more apprentices than anyone else in the sector and pride ourselves on delivering high quality, work-based learning across more than 100 centres throughout England and Wales.
Free Toolkits for New Learners
We’re proud to partner with UK Plumbing Supplies, the largest independent plumbers’ merchants in the UK, to provide our new plumbing apprentices with a free starter toolkit. Together, we’re ensuring that every learner begins their journey equipped with the right tools and the confidence to succeed.

Why choose JTL
- Free starter toolkit in your first year*
- Dedicated training officer
- Free recruitment service
- Full equipped workshops at our dedicated training centres
- Dedicated support/EIC/JIB registered electrician skills development fund
- JIB PMES apprentice card
- Help accessing funds
- Free recruitment process for employers
- Ofsted Grade 2 GOOD Provider
- Regional national awards
- CSCS card
*Once you have completed 6 months of your apprenticeship.
Apprenticeship courses
JTL are one of the largest work-based learning providers in England and Wales. Working with over 3,800 businesses from large corporations to small local suppliers.
Apprentice FAQS
What does JTL do?
JTL is an independent training provider. We deliver the training and coordinate all aspects of your apprenticeship. We are not your employer nor your college tutor (unless you attend a JTL Training Centre). Should you meet all of our entry requirements and begin the course, we will assess you on site and help you to collate your log book, portfolio and all site evidence. We will source and register you for your training centre placement. If you’re attending a JTL Training Centre our tutors will also assess you in that training centre environment. We can act as a confidant should you experience any concerns, worries or doubts with any aspect of your training… or indeed in life itself. We will help you with portfolio building sessions, AM2 refreshers, exam re-sits, and so on. We will evidence your progress, support you with any issues, and congratulate you on your achievements. We won’t be holding your hand while you do this as it’s up to you to put in the hard work, but we will be there for you whenever you need support.
Use of digital photography
As part of the apprenticeship application process, you will be asked to provide a digital photograph of yourself. This is so that we can register you with the JIB and obtain your JIB ECS (Electrotechnical Certification Scheme) Card which you will need as proof of identity to access some work sites.
When undertaking your apprenticeship, you will also need to include photographs of yourself completing practical work for job reports, and to provide documentary evidence in your logbook for aspects of your work.
Registering you with the JIB
Please ensure the digital photo you send us for your JIB ECS card meets the following quality criteria:
Your photo must be:
- clear and in focus
- in colour
- unaltered by computer software
- at least 600 pixels wide and 750 pixels tall (portrait format)
- at least 50KB and no more than 10MB
It must:
- contain no other objects or people
- be taken against a plain light-coloured background
- be in clear contrast to the background
- not have ‘red eye’
- If you’re using a photo taken on your own device, include your head and shoulders.
In your photo you must:
- be facing forwards and looking straight at the camera
- have your eyes open and visible
- not have a head covering (unless it’s for religious or medical reasons)
- not have anything covering your face
- However, unlike a passport photograph you can smile if you wish to!
Please note: If your apprenticeship is funded by the Welsh Government, we need your consent to issue the Welsh version of your JIB card. We also need your consent to use and share with applicable parties any other images of you that are used to document evidence of your work during your apprenticeship.
What happens with my Colour Vision Certificate?
JTL, as a training provider, adheres to certain industry standards, so to progress your application from this stage to becoming a live apprentice, we will need an optician to confirm your colour vision results. You can download a copy of our Colour Vision Certificate here” and switch the link to the CVE cert instead of login.
Where should I start looking for an employer?
We’d always say make the most of online resources. The internet is your oyster! Current JTL apprenticeship vacancies can be found on our website, and we actively work with www.apprenticeships.org.uk and with Find An Apprenticeship. It’s also worth checking out www.yell.com, www.eca.co.uk, www.thebesa.com, www.jib.org.uk, www.aphc.co.uk and www.ucas.com/apprenticeships.
Think of it as if you were a potential customer looking for a tradesman/ specialist – and you may well be surprised how many are local to you (but don’t forget those that work nationally too). Don’t be afraid to make direct contact and show how enthusiastic you are – just remember that they are busy too, so don’t “pester” them either.
Don’t forget to pay a visit to your local job centre and having a look in the local paper. It’s a tough industry to find work in, so we’d recommend creating a good CV, and making sure you keep this up to date. If you want to send this out to employers (as well as upload to your JTL account), ensure you write a new cover letter with each application. Best of luck!
What happens when I apply to a vacancy advertised by JTL?
If you’ve applied to JTL for a specific vacancy advertised on the Government’s apprenticeship website, you’ll need to make sure all aspects of your JTL application are completed. Get in touch if you’re unsure. After that, it will be up to the employer, should they choose to get in touch with you.
Please don’t rely on one application for an employer or apprenticeship. Apply for the employers you can genuinely see yourself working for, and always make sure the pay, holidays, hours etc. are acceptable to you. JTL cannot comment on those, as we don’t get involved in the contract between employer (them) and employee (you), but you’re more than welcome to contact us if you wish. Think about what type of environment you’d like to work in. Do you want to stay fairly local, or does the idea of working on lots of jobs, travelling with your colleagues and visiting new towns and cities appeal to you?
I’ve already got an employer, and they’ve agreed to take me on. Why do I have to do the Entry Assessment or telephone discussion?
We’re just trying to cover all bases. Some employers will recruit on a temporary or trial basis, so we wouldn’t want to you hang your entire application on something that might not last. We’d prefer to have a backup. If you complete all of the Entry Assessment and the telephone discussion, should anything go wrong (fingers crossed it doesn’t) in your employment, all of the great stuff about you is there, ready & waiting to be passed out to another prospective employer.
I’ve done the profile questions in the Entry Assessment. Why do I need the telephone discussion?
Basically, we’d like to speak to you! The questions are different, and so we’d like to hear some different responses from you. We also want for you to know who’s actually at the end of the phone. Our JTL Customer Service representatives speak to thousands of candidates each year, so we’d like to call you, find out what’s special and unique about you, and record it, so we can let potential employers know too.
What if I have any Additional Learning Needs?
That’s fine with us, you can still make the application to JTL, and you can flourish on the apprenticeship of your choice. We have a dedicated team who offer additional learning support to apprentices who would benefit from extra help. Please let us know about your learning needs so that we can put support in place. This can include things like reading and writing support, extra time in exams and help with study skills and exam preparation.
Declaring additional learning needs will not affect your apprenticeship application, it just helps us to help you.
When would I next hear from JTL?
We will keep in touch with you through some automated emails requesting you confirm your interest in the scheme, but in normal circumstances, our Customer Service Unit won’t be contacting you via the telephone again. However, we’re always happy for you to contact us should you have any questions or concerns.