A basement property shows seepage through walls below water table level. The surveyor must specify waterproofing per BS 8102:2022. Type A protection involves:

Traditional cavity wall construction typically consists of:

The Health and Safety at Work etc. Act 1974 places responsibility for workplace safety primarily on:

A property has been treated with chemical DPC 6 months ago. The owner reports internal walls are still damp with visible mould. The surveyor investigates and finds: high salt content still present in plaster, inadequate heating in the property, and poor ventilation. The most appropriate recommendation is:

The surveyor should investigate the external envelope when diagnosing penetrating damp to: