What is an EWS1 Form?

EWS stands for ‘External Wall Survey’. The external wall consists of the outside wall of a residential building, including any cladding, insulation, and fire break systems.

An EWS1 Form records in a consistent and universal manner the assessments that have been carried out on the external wall construction of residential buildings of 18 metres or more above ground level, or where specific concerns exist.

The assessment must be conducted by a qualified and competent professional, such as a Chartered Construction Professional as defined on the RICS guidance. A single assessment is needed per building and once the EWS1 form has been completed it will be valid for five years, subject to significant use changes or any refurbishments.

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