Southgate Office Village 286 Chase Road London N14 6HF
Non-material amendment to 19/01941/FUL (APP/Q5300/W/21/3270885 ) for changes to conditions 6 and 14 to:"6) A) Prior to commencement of development, details of the existing ground levels shall be submitted to and approved in writing by the local planning authority. B) Prior to commencement of development (excluding demolition to slab level), details of the proposed ground levels, including the levels of any proposed buildings, roads and/or hard surfaced areas, shall be submitted to and approved in writing by the local planning authority. Development shall be carried out in accordance with the approved details.""14) Notwithstanding the details provided in the Drainage Impact Assessment (September 2019), development (excluding demolition to slab level) shall not commence until a final detailed Sustainable Drainage Strategy has been submitted to and approved in writing by the local planning authority. The details shall be based on the disposal of surface water by means of a sustainable drainage system in accordance with the principles as set out in the Technical Guidance to the National Planning Policy Framework and should be in line with DMD Policy SuDS Requirements and: (a) shall be designed to a 1 in 1 and 1 in 100 year storm event with the allowance for climate change; (b) follow the SuDS management train and London Plan Drainage Hierarchy by providing a number of treatment phases corresponding to their pollution potential; (c) provide source control SuDS measures across the site; (d) maximise opportunities for sustainable development, improve water quality, biodiversity, local amenity and recreation value; (e) must be designed to allow for flows that exceed the design capacity to be stored on site or conveyed off-site with minimum impact; (f) establish clear ownership, management and maintenance arrangements; and (g) details submitted shall include levels, sizing (calculations where necessary), cross sections and specifications for all drainage features."