The top ten defects in old houses are:
- Rising damp.
- Inadequate sub floor ventilation to timber floors and subsequent decay.
- Woodworm to roof structure / floor joists.
- Wet rot to single glazed timber windows.
- Poorly maintained / leaking rainwater goods.
- Slipped / missing slates and poor levels of maintenance to roof coverings.
- Gun barrel piping used to heating system and subsequent corrosion.
- Galvanised metal water storage tank used. Corrosion and contamination of water.
- Obsolete electrical installations.
- Ineffective / poor operation of septic tanks.
