Subject to section 116, where planning permission or permission in principle is revoked or modified by an order under section 97(1)(a), then if, on a claim made to the local planning authority within the prescribed time and in the prescribed manner, it is shown that a person interested in the land or in minerals in, on or under it—
the local planning authority shall pay that person compensation in respect of that expenditure, loss or damage.
For the purposes of subsection (1), any expenditure incurred in the preparation of plans for the purposes of any work, or upon other similar matters preparatory to it, shall be taken to be included in the expenditure incurred in carrying out that work.
Subject to subsection (2), no compensation shall be paid under subsection (1) in respect—
In calculating for the purposes of subsection (1) the amount of any loss or damage that is attributable to the revocation or modification of planning permission and consists of depreciation of the value of an interest in land, it shall be assumed that planning permission would be granted —
A development order may make provision for the payment of compensation, in such circumstances and subject to such conditions as may be prescribed in the order, where permission in principle is revoked or modified by an order under section 97(1)(b).
In this Part any reference to an order under section 97 includes a reference to an order under the provisions of that section as applied by section 102(3) (or, subject to section 116, by paragraph 1(3) of Schedule 9).