aveage price per house plant
Typical Costs for a single house. 1  Plant Cost = Â£1800 to Â£3200. 2  Installation Cost = Â£2000 to Â£3000+ (depending on the model.). 3  Land drainage system (assuming 100 metres of drains) = Â£5200 or Â£200 typical cost if to a ditch with a 10 metre pipe run.