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21. Ventilation grilles
Above: Cast Iron Ventilation grilles
Most Victorian/Edwardian houses did not have damp courses and need under floor ventilation, hence the pavement level painted metal grilles of various patterns. To ensure good air circulation under your floors, it is important that these are not covered or removed or you may get dry rot!
Original text by John Brushe, Denise Ilett, Sue Westell. Original illustrations by Denise Ilett.