Phase 1 concentrated on the revised format of a number of the Technical Booklets, and an uplift of the requirements for two Parts.
The introduction of new guidance-based Technical Booklets for:
- Part E: Fire safety
- Part H: Stairs, ramps, guarding and protection from impact
- Part N: Drainage, and
- Part V: Glazing
with little or no regulatory change.
Regulatory/technical uplifts and new guidance-based Technical Booklets for:
- Part C: Preparation of site and resistance to moisture; and
- Part G: Sound insulation of dwellings