HOUSING GEOMETRY
Jan 28, 2021
2 minutes
GLAZING RESTRICTIONS
s with all big refurbishment projects, it’s important to comply with the Building Regs. Part L outlines the limits on glazing for extensions. Roof windows, windows and glazed doors are allowed to be a maximum of 25 per cent of the new extension’s floor area. Many extensions exceed this, but only because the owners have improved the thermal efficiency
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