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Balcony Drainage and Balcony Decking

The National House Building Council, (NHBC) is the leading provider of warranties for new build housing in the UK. Each year, the NHBC releases an updated version of its technical standards after working with stakeholders from across the construction industry. As apartment developments with outdoor balcony spaces continue to rise in popularity, it is important to be familiar with the BS 8579 standard which sets a benchmark for quality of the design of balconies and terraces, and with the latest technical guidance from the NHBC.

Latest standards state that drainage is required on balconies where areas are 6m2 or over, and that consideration should also be given to providing drainage to areas that are less than 6m2, when considering factors such as exposure, where the water will end up, and potential adverse effects on the building or surrounding area.

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