The Level 3 Diploma in Electrical Installations
An advanced course designed to enhance the skills and knowledge of electricians, focusing on complex installation techniques and compliance with industry standards.
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Level 3 Diploma pricing
Two ways to study the C&G 2365-03 Level 3 Diploma. Choose the delivery that fits your schedule.
Classroom-based
Level 3 Diploma, C&G 2365-03- City & Guilds recognised qualification
- 15–20 weeks (fast-track from 6 weeks)
- Covers Units 301–305 and 308
- Interest-free payments available
eLearning
Level 3 Diploma, C&G 2365-03- City & Guilds recognised qualification
- Study around work and family
- Practical workshops included
- Interest-free payments available
Interest-free payments
Earn while you learn. Spread the cost of your training with an interest-free payment plan, requested as part of the enrolment process. Prefer to pay upfront? Enrol and pay in full through our online store.
- Interest-free payment plans
- Typical approval within 30 minutes
- No hard credit checks
Optima Reviews
"Great course with lots of friendly and helpful staff. Would definitely book to do further courses with them in the future."
"It was a wonderful experience and I am honored to complete the NVQ Level 3 and Level 2 at Optima College. The treatment was excellent from Mr. James Ross also my assessor Muztaba. I recommend it as a place to complete your education. From the bottom of my heart, thank you Optima team."
"Highly recommend Optima Electrical Training to anyone looking to build a strong foundation in electrical installation. Very structured approach, excellent teaching, and supportive environment make them a top choice for professional training."
"Best training I have ever had doing an BS7671 update for the requirements for Electrical Installations. Would highly recommend Optima Electrical Training."
Level 3 Diploma FAQs
Everything you need to know before you enrol.
Who is this course for?
The C&G 2365-03 Level 3 Diploma is aimed at electricians who have completed their Level 2 and are looking to enhance their skills and knowledge, focusing on complex installation techniques and compliance with industry standards.
You can study the same qualification in the way that suits you — classroom-based with a City & Guilds instructor at our London centre, or eLearning at your own pace with practical workshops scheduled at your convenience.
Will my qualification be recognised?
Yes. The Level 3 Diploma is a City & Guilds qualification — recognised across the UK electrical industry.
Both delivery formats (classroom and eLearning) lead to the same C&G 2365-03 certification.
What is the usual pass rate?
We consistently achieve industry-leading pass rates on the Level 3 Diploma.
How long does the course take?
The C&G 2365-03 Diploma typically runs for 15–20 weeks, with fast-track completion possible in as few as 6 weeks.
Delivery options:
- Weekday classes: Monday to Thursday, 9:30am to 3:30pm
- Evening classes: Monday to Thursday, 6:30pm to 9:30pm
- Weekend classes: Saturday and Sunday, 9:30am to 3:30pm
- eLearning: Self-paced online study — start anytime, with scheduled practical workshops at our London centre
How do I pay for my training?
Earn while you learn. Spread the cost of your training with an interest-free payment plan, requested as part of the enrolment process.
- Interest-free payment plans — no interest added on top of your course fees
- Typical approval within 30 minutes of submitting your request
- No hard credit checks — your credit score is not affected
You can also pay the course fee in full at enrolment if you prefer. Speak to a course advisor to walk through the options for your preferred delivery format.
Still have a question? Speak to a course advisor.
📞 Call 0330 330 8489
Choose the delivery that fits your schedule
The C&G 2365-03 Level 3 Diploma in Electrical Installations is available as classroom-based training or self-paced eLearning. Both lead to the same City & Guilds qualification — pick the format that works for you.
Classroom — C&G 2365-03
An advanced course designed to enhance the skills and knowledge of electricians, focusing on complex installation techniques and compliance with industry standards. Study face-to-face with a City & Guilds instructor at our London training centre.
- Covers Units 301–305 and 308
- 15–20 weeks (fast-track from as few as 6 weeks)
- Pass rate over 95%
- Weekday, evening and weekend classes available
- Interest-free payment plans available
eLearning — C&G 2365-03
The same City & Guilds Level 3 Diploma delivered online, with in-centre practical workshops scheduled at your convenience. Not restricted to standard start dates — begin studying when you're ready and fit your learning around work and family commitments.
- Covers Units 301–305 and 308
- Self-paced online study — start anytime
- Practical workshops included at the training centre
- Pass rate over 95%
- Interest-free payment plans available
The road to becoming a fully qualified electrician
Each stage in order — from your very first diploma through to ECS Gold Card status.
Level 2 Diploma in Electrical Installations
A structured, step-by-step route into the industry — building your knowledge and confidence from the ground up.
Level 3 Diploma in Electrical Installations
The next stage of the diploma route, advancing your knowledge toward qualified competence.
18th Edition BS7671 Wiring Regulations
The current UK wiring regulations every practising electrician works to.
Inspection & Testing
Inspection and testing of electrical installations.
NVQ Level 3 in Electrical Installation
Completed through on-site assessments to prove competence in the workplace.
AM2 Assessment
The end-point assessment on the pathway to full qualification.
ECS Gold Card Status
Recognised occupational certification for electrotechnical workers in the UK — you're now a fully-qualified electrician.
See everything about our London centre
Facilities, location, how to reach us, learner reviews and full localised course pricing, all in one place.
View the London centre →
Why train with us?
We take pride in being a family-run business with a track record of delivering courses for over two decades. With an impressive pass rate exceeding 95% and our ongoing investments in our centers and facilities, we are confident that your choice in selecting us will be met with satisfaction.
A Modern Training Centre in an Iconic London Location
Our London training centre is a modern, well-equipped facility located within Bessemer Park, just off Milkwood Road in Herne Hill.
Set in the heart of south London between Brixton, Camberwell and Dulwich, and only around five miles from central London, the centre is easy to reach for learners travelling from right across the capital and the wider South East. Brockwell Park and Ruskin Park are both close by.
The premises provide a comfortable, professional and modern learning environment, with dedicated training areas, kitchen facilities and spacious lounge areas where learners can relax during breaks.
Herne Hill station is around an 8-minute walk from the centre, giving direct rail connections into central London.
Combining a modern, well-equipped setting with an accessible and well-connected London location, our London centre provides an excellent environment in which to complete your electrical training.
Get your FREE Personalised Training Plan
Our Admissions Team typically responds within a few hours to discuss the best study route for you. No obligation.
