Gas training and assessment
Further your career by gaining essential gas training and certificates, here at City of Portsmouth College.
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The best in the business
Our trainers and assessors are experienced engineers and trainers with many years in the trade. We are one of the leading gas assessment providers for Portsmouth, Hampshire and West Sussex. We provide domestic training and assessment packages, plus bespoke training solutions if required.
All of our gas assessment fees are VAT EXEMPT and include certification fees, learning materials and refreshments. Free on-site parking is also included, and there's a range of food outlets within easy walking distance.
Our home for commercial gas on the south coast
We offer a range of courses for qualified gas engineers and candidates who are new to the industry.
Our state-of-the-art modern facilities are based close to the M27, junction 12 (Portsmouth) and are within easy reach of Portsmouth, Southampton and Chichester.
All of our gas assessment fees are VAT EXEMPT and include certification fees, learning materials and refreshments. Free on-site parking is also included, and there's a range of food outlets within easy walking distance.
Our accredited partnerships


Course pricing
CCN1 Reassessment: £895 (VAT exempt)
- Including CPA1 and up to four appliances
All LPG courses: £538 (training & assessment)
- CONGLP1 – CONGLP1 LAV – CONGLP1 PD – CONGLP1 RPH – HTRLP2
Initial Appliances: £298 (per course)
- CENWAT1 – CKR1 – HTR1 – DAH1 – LAU1
Domestic Courses (initial & reassessment)
- CCN1 – CENWAT – CKR1 – HTR1 – DAH1 – LAU1 – MET1 – CMA1 – REGT1 – CMDDA1
Additional courses are available. View our pricing guide for more details.
Client Feedback
100% would recommend the COPC ACS Gas Centre
- 87.5% mentioned value for money, quality of teahing, ecellent facilities and small group sizes
- 50% favoured our easy to find location
- 25% mentioned our free on-the-day refreshments
100% scored our instructors 10/10
100% thought the learning materials supplied were very helpful
Need more feedback? Here's what our customers say

SD Plumbing & Heating
"5-star service - knowledgeable instructors and assessors, excellent facilities and good value for money."
RT Hydro Gas Plumbing Heat Pumps
Great service provided by the COPC Gas Assessment Centre."
Rogers Gas Services
"Great course, very professional staff"
JAH Heating & Plumbing
Summary hereOur facilities
Located in our state of the art, refurbished ACS Assessment Centre, we're ready to provide you and your teams with the training and assessment they need to continue to serve our local communities and beyond.
Key information
- Twenty-four domestic gas and water courses to support local businesses
- Small class sizes to ensure the best learning experience
- Highly experienced staff
- VAT exempt with all fees and training included in the course cost
- Free on-site car park
Ready to get started?
A view of our campus
Virtual tour
Take a closer look at our learning spaces and stand-out facilities with our interactive 360° virtual tour.
A great way to explore our facilities before booking a visit.
Where to find us
Our North Harbour Campus is centrally located and close to many amenities in the Port Solent area of Portsmouth. We have an on-site carpark and bus stops adjacent to the campus, allowing you to access your studies easily. Opposite the Tesco Extra and Binnacle Way retail park, our North Harbour campus is walking distance to a wide variety of shops and eateries - although, refreshments are provided on-site for the duration of your course, so we'll ensure the kettle is always on for a brew.
ACS Gas Centre Information
Opening Times
Mon - Fri: 8:30am–5:00pm
Sat: Closed
Sun: Closed
Have a question for us?
Our commercial gas training and assessment courses are designed for qualified gas engineers who want to upskill, renew their certifications or expand the range of appliances they can work on. Whether you are an experienced engineer maintaining your ACS qualifications or looking to move into commercial work, our programmes are built to support your next step.
We also support those entering the industry through structured pathways such as apprenticeships, giving new engineers a clear route into the sector. If you are an employer, we can work with your team to ensure they are trained, compliant and confident on site.
All of our courses are aligned with current industry standards and recognised by leading awarding bodies such as Gas Safe Register and City & Guilds. This means the qualifications you gain with us are trusted across the industry and demonstrate your competence to work safely and professionally.
Whether you are completing an initial qualification or a reassessment, you will leave with the certifications required to carry out commercial gas work legally and confidently. Our team will ensure you understand exactly what each qualification enables you to do in practice.
The length of your training depends on the course or reassessment you choose, as well as your current experience and qualifications. Many reassessments, including ACS renewals, can be completed over a short period, helping you get back on site quickly.
Initial training or courses covering multiple appliances may take longer to ensure you gain the right level of knowledge and practical experience. If you are unsure, our team can advise on the most efficient route based on your background and goals.
Our course pricing is designed to be clear, transparent and good value for both individuals and businesses. Training and assessment packages typically include certification fees, learning materials and full access to our specialist facilities.
Many of our courses are VAT exempt, and we also include practical benefits such as free on site parking and refreshments during your time with us. There are no hidden extras, so you can plan your training with confidence.
Yes, we regularly work with businesses to train multiple engineers at the same time. Whether you are looking to upskill your team, complete reassessments or bring new staff into the industry, we can support group bookings.
We understand the importance of keeping your business running, so we can help you plan training around your operational needs. Our team will work with you to create a schedule that minimises disruption while ensuring your engineers gain the qualifications they need.
We know that time away from work impacts your business, so our courses are designed to be efficient without compromising on quality. Many reassessments can be completed quickly, allowing you to renew your qualifications and return to work with minimal downtime.
For initial training or more complex certifications, we will provide a clear timeline upfront so you know exactly what to expect. Our goal is to get you qualified, confident and back on site as soon as possible.
You will train in our dedicated ACS Gas Assessment Centre, equipped with modern commercial gas systems and industry standard equipment. Our facilities are designed to reflect real working environments, helping you build practical, job ready skills.
Training takes place in small groups to ensure you get the support and attention you need. Combined with experienced trainers and assessors, this creates a focused learning environment where you can develop confidence as well as competence.
If you are unsure which course is right for you or your team, our team is here to help. We will take the time to understand your current qualifications, the appliances you work with and your future goals before recommending the most suitable training or reassessment route.
Getting started is simple. You can submit an enquiry, speak directly with our team or explore our available courses online. From your first conversation with us, we will guide you towards the right path to keep your skills current and your career moving forward.
Recruit an apprentice
Help your business to grow by bringing fresh new talent through the ranks or upskilling your team. Our expert team support you every step of the way.
Any other questions?
Our specialist staff will support you throughout your time at the gas centre, so that you can develop the skills and qualifications you need. If you have further questions, fill our our enquiry form below and a member of our firendly team will be in touch.
Ready to get started?
View our list of commercial gas courses and contact our team today.

GET STARTED TODAY

