Commentary on Sections Part 4: Additional Planning Control. Section 126: Penalties for contravention of tree preservation orders
This section provides for penalties to be imposed in respect of the contravention of a Tree Preservation Order.  It also makes it an offence to cut down, destroy or damage a tree in contravention of a tree preservation order, or to top or lop a tree in such a way as is likely to destroy it.  The maximum fine on summary conviction is raised from £30,000 to £100,000.