Tree Preservation Order (TPO) A Tree Preservation Order is an order made by your local planning authority in England to protect specific trees, groups of trees or woodlands in the interests of amenity. [gov.uk, 2014]. This order applies to private property. The TPO protects trees that are particularly attractive, are good examples of their species, contribute to the appearance of the area and/or have any cultural or historic value. It is therefore illegal to: · cut do