IET Amd 4 "Professional Contractor" Bundle (Orange Book, OSG, GN3, Build Regs + Flags)
 
The ultimate 2026 compliance library. Get "Site Ready" for Amendment 4 with the definitive collection of IET Wiring and Building Regulation guides.
 
This "Professional Contractor" bundle is our most comprehensive set, designed for those who oversee complete installations from design to local authority notification. It combines the mandatory 18th Edition Amendment 4 (BS 7671:2018+A4:2026) standards with the essential legal guidance for the UK Building Regulations.
 
What’s included in Bundle 4?
IET Wiring Regulations Amendment 4 (The Orange Book): The new national standard for all electrical work.
IET On-Site Guide (Amd 4): Your daily reference for circuit design and cable sizing.
Guidance Note 3: Inspection & Testing (Amd 4): The authority on certification and periodic reporting.
Electrician’s Guide to the Building Regulations (Latest Ed): Vital for compliance with Part P (Electrical Safety), Part L (Conservation of Fuel & Power), and Part F (Ventilation). Premium
Chapter Flags: High-quality adhesive tabs to help you navigate this massive library instantly - critical for audits and technical assessments.
 
Why this Bundle is the Professional Choice?
 The 2026 update isn't just about wiring; it’s about the integration of new technologies into the fabric of buildings. With the new Stationary Secondary Batteries chapter in the Regs and updated Building Regs guidance on energy efficiency, this bundle ensures you are legally and technically compliant across all fronts.
 
Key Benefits: 
Full Compliance: Covers both BS 7671 and the legal statutory requirements of the Building Regulations.
Audit-Ready: Perfect for NICEIC, NAPIT, ECA or SELECT technical assessments.
Best Value: The most cost-effective way to refresh your entire technical library for 2026.