The Building regulations 2000, approved Document N1 & N2
This is similar to the Workplace (Health safety & Welfare) Regulations, however is designed for new buildings rather than existing buildings
The parts within the Building regulations related to glazing are parts n1 & N2
Protection against impact
N1. Glazing, with which people are likely to come into contact whilst moving in or about the building, shall -
(a) if broken on impact, break in a way which is unlikely to cause injury; or
(b) resist impact without breaking; or
(c) be shielded or protected from impact.
Manifestation of glazing
N2. Transparent glazing, with which people are likely to come into contact whilst moving in or about the building, shall incorporate features which make it apparent.
Limits on application -Requirement N2 does not apply to dwellings.