Prisons Act 2007
| 
 PART 4 Requirements relating to Construction and Extensions of Prisons  | ||
| 
 Interpretation (Part 4).  |  
 17.— In this Part—  | |
“ development ” means—  | ||
(a) the proposed construction of a prison on a site not previously used for that purpose where—  | ||
(i) the area of the site is greater than 5 hectares, or  | ||
(ii) the prison is planned to accommodate more than 250 prisoners,  | ||
or  | ||
(b) the proposed construction or extension of a prison or part thereof on a site or portion of a site previously used as a prison where the new or extended prison—  | ||
(i) involves an increase of more than 50 per cent in the area of the site, or  | ||
(ii) is planned to accommodate more than 250 prisoners;  | ||
“ environmental impact assessment ” is to be construed in accordance with section 19 ;  | ||
“ site ”, in relation to a prison, includes any boundary walls or fences and any land which is used for car parking or is otherwise subsidiary or ancillary to the prison.  |