Residential section – NCC Vol 2.0 changes
Generally, there is no difference in energy efficiency provisions between NCC 2016 and NCC 2019, having only one big exception that is VURB: It’s harder now to reach compliance using this method.
VURB is a compliance Performance Solution proposed by the NCC to reach beyond the rigid Deemed To Satisfy (DtS) provisions. NCC 2016 expected you to compare your building with all its material and construction details (Proposed Building) to the same building having minimum requirements mandated by the NCC (Reference Building). This means the Reference Building floor construction, wall materials, roof lights, ceiling height is the same as the Proposed Building. However, since NCC 2019, a unique Reference Building is preferred in the eyes of the NCC.
NCC 2019 Reference Building is a building having brick veneer walls under a pitched roof with a slope of 23 degrees. Its concrete slab on ground floor is aligned with a 2.4m high ceiling. And also, no skylight is allowed!
Compared to NCC 2016, you have a hard time reaching compliance with the VURB method. The more your building is different from the mentioned Reference Building, the more obstacles arise in the way of compliance. Read more