Paragraph 31 Relevant approval for new activity
Where a new activity is proposed on the land the developer must submit a noise study to the local planning authority and obtain a relevant approval before the new activity may commence.
The noise study must outline if the new activity will negatively change the acoustic character of the noise output from the land.
In this paragraph, a “new activity” means—
the erection of a new building,
the addition of new hard surfacing,
the addition of new plant or machinery, or
where an existing building or hard surfacing is to be used for a different purpose,
where these occurred after the relevant approval required by paragraph 17(2) was obtained.
In sub-paragraph (2), a change in acoustic character includes increases in—
low frequency noise;
tonal noise;
noise intermittency.