Commercial ACS Courses

CK Assessment and Training is an established BPEC approved ACS Centre providing a full range of domestic gas assessments. We are also a City and Guilds centre offering a selection of different courses in gas and plumbing.


Core Commercial Gas Safety – COCN1 up to 2 days

Core Commercial Changeover – CODNCO1 2 days

Test/Purging Pipework not exc 1m3 – TPCP1A 2 days

Test/Purging Pipework ex 1m3 – TPCP1 2 days

Commercial Indirect Fired Heating – CIGA1½ day

Commercial Overhead Heating – CORT1½ day

Commercial Direct Fired Heating – CDGA1½ day

First Fix Commercial Pipework – ICPN1½ day

Commercial Meters to U40 – MET4½ day

Commercial Metering <U65/RD – CMET1½ day

Commercial Metering >U65/Turbine– CMET2½ day

Medium to Low Pressure single/twin stream- REGT2½ day

Boosters- CBHB1½ day

Refresher training for Commercial Core (includes manual) 2 days

5 Day Training course for Commercial Core (include manual) 5 Days

Training for Initial TPCP1A3 Days

Limited Scope Package -

For COCN1/CODNCO1/COCNPIILS there is a registration charge of £40.00 to BPEC and an additional charge of £40 for any number of specialist subjects

*The Commercial core reassessment training is only available to candidates that have previously taken a commercial ACS

We are ideally situated to serve London and the South East being just 10 minutes from junction 25 of the M25, which provides easy access for Hertfordshire, Essex and North London. Broxbourne railway station is just 10 minutes walk away.

We have excellent training and assessment facilities and have acquired new premises to extend our portfolio of training. Our team of trainers and assessors are very experienced having been ‘on the tools’ and teaching for many years. Our philosophy is to make our candidates and students feel completely at ease whilst at our learning centre, so they have an enjoyable learning experience.

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