18th Edition Course (BS7671) ACS Assessment & Reassessment – CCN1RA ACS Initial Assessment – CCN1 Building Services Design Technician — Level 3 Apptenticeship Standard Building Services Engineering (Heating, Ventilation & Air Conditioning) – Higher National Certificate (HNC) Building Services Engineering Service and Maintenance Engineer — Level 3 Apprenticeship Standard Building Services Engineering Technician — Level 4 Apprenticeship Standard Electro Technical Installations 2365 — Level 2 Diploma Plumbing — Level 2 Technical Certificate Plumbing and Domestic Heating Technician — Level 3 Apprenticeship Standard Unvented Hot Water