CL7 — Basements.

The Council will require all basement development a. not exceed a maximum of 50 per cent of each g garden must be in a single area and where relevan neighbouring gardens. Exceptions may be made o b. not comprise more than one storey. Exceptions c. not add further basement floors where there is a a basement or one built through the exercise of pe d. not cause loss, damage or long term threat to tre e. comply with the tests in national policy as they r significance of heritage assets; f. not involve excavation underneath a listed buildin g. not introduce light wells and railings to the front harm the character and appearance of the locality, and positive feature of the local streetscape; h. maintain and take opportunities to improve the c wider area, with external elements such as light we sensitively designed and discreetly sited; in the cas impact of light pollution; i. include a sustainable drainage system (SuDS), to j. include a minimum of one metre of soil above an k. ensure that traffic and construction activity do no vehicular and road safety; adversely affect bus or o (e.g. cycle hire), significantly increase traffic conge the day to day life of those living, working and visiti l. ensure that construction impacts such as noise, v for the duration of the works; m. be designed to safeguard the structural stability other infrastructure including London Underground n. be protected from sewer flooding through the ins A specific policy requirement for basements is also ng and movement. The CTMP should take into ve or permitted construction works nearby nies). sess its effectiveness and will review it as a whole t to: garden or open part of the site. The unaffected nt should form a continuous area with other on large sites; may be made on large sites; an extant or implemented planning permission for ermitted development rights; ees of townscape or amenity value; elate to the assessment of harm to the ng (including vaults); or side of the property where they would seriously , particularly where they are not an established character or appearance of the building, garden or ells, roof lights, plant and means of escape being se of light wells and roof lights, also limit the o be retained thereafter; ny part of the basement beneath a garden; ot cause unacceptable harm to pedestrian, cycle, other transport operations estion, nor place unreasonable inconvenience on ing nearby; vibration and dust are kept to acceptable levels y of the existing building, nearby buildings and d tunnels and the highway; stallation of a suitable pumped device. o contained in policy CE2, Flooding. Existing Buildings - Roof Alterations/ 22.3.73 Additional storeys and roof level alteratio skyline as seen from neighbouring house neighbouring properties. 22.3.74 Proposals, must be assessed carefully a dominate the original building or surroun interesting skylines.

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