Building regulation approval is required for the construction, adaptation and extension of all basements.
As with all forms of construction, consideration of health and safety issues is required at all stages of design and construction.
NHBC's Buildmark covers around 80% of new homes built in the UK. NHBC also publish guidance for basement design and construction in Chapter 5.4 of NHBC technical guide.
The Party Wall Act exists to protect the concerns of neighbouring landowners and to facilitate an agreements between them with regards to construction works.
Currently, planning permission is required for the construction and extension of basements, even when not visible above ground level.
This Guidance Document provides guidance on the design and construction of basements for dwellings. It takes into account the effect on dwellings of including a basement and describes the means of meeting the relevant performance requirements of the Building Regulations.
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