http://www.legislation.gov.uk/ssi/2020/437/article/8The Town and Country Planning (General Permitted Development and Use Classes) (Scotland) Amendment Order 2020texttext/xmlenTOWN AND COUNTRY PLANNINGStatute Law Database2024-09-19Expert Participation2021-04-01 This Order amends the Town and Country Planning (General Permitted Development) (Scotland) Order 1992 (“the 1992 Order”) to introduce new classes of permitted development rights and makes a minor amendment to the Town and Country Planning (Use Classes) (Scotland) Order 1997. 8In Part 1ZA (development to a building containing a flat) of schedule 1 after class 4A insert—Class 4B.—1The provision of a building within the curtilage of a flat.2Development is not permitted by this class if—athe resulting building would exceed—i150 centimetres in height,ii120 centimetres in depth,iii250 centimetres in width,bthe development would result in there being more than one building developed by virtue of this class situated within the curtilage of the flat,cthe resulting building would obstruct clear sight of a road or footpath by the driver of a vehicle entering or leaving the curtilage of the flat,dthe resulting building would be situated within the curtilage of a listed building or a World Heritage Site,ethe resulting building would create an obstruction to light to another building.3In this class—“curtilage of a flat”, in relation to a flat, means land which pertains to that flat and only to that flat, and“World Heritage Site” means land appearing on the World Heritage List kept under article 11(2) of the 1972 UNESCO Convention for the Protection of the World Cultural and Natural Heritage..Art. 8 in force at 1.4.2021, see art. 1