Amendment of Interpretation section of Part 6
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In Part 6 of schedule 1, in the interpretation section—
a
after the definition of “building” insert—
- “designated area” means—
  1. a national scenic area,
  2. a National Park
  3. a World Heritage Site,
  4. a historic garden or designed landscape,
  5. the curtilage of a category A listed building,
  6. a site of archaeological interest,
  7. a conservation area,
,
b
for the definition of “significant extension” and “significant alteration” substitute—
- “significant extension” and “significant alteration” mean—
  1. in respect of the period before 1 April 2021, any extension or alteration of the building where the cubic content of the original building would be exceeded by more than 10% or the height of the building as extended or altered would exceed the height of the original building,
  2. in respect of the period beginning on 1 April 2021, any extension or alteration of the building where the cubic content of the original building would be exceeded by more than 20% or the height of the building as extended or altered would exceed the height of the original building,
,
c
after the definition of “slurry” insert—
- “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.
.