1)
The applicant has failed to demonstrate that the proposed subterranean development would safeguard the structural stability of the existing building and neighbouring structures, contrary to policies contained within the Local Development Framework, in particular policy CL2 of the Core Strategy (adopted December 2010) and the Subterranean Development Supplementary Planning Document (adopted May 2009).
2)
The applicant has failed to demonstrate, by reason of the lack of a detailed tree survey and arboricultural impact assessment, that the proposed subterranean development would safeguard the health of trees of special amenity value on and adjacent to the site, contrary to policies contained in the Core Strategy (adopted December 2010), in particular policy CR6 and the Trees and Development Supplementary Planning Document (adopted April 2010).
3)
The applicant has failed to demonstrate appropriate mitigation for the environmental impact of the proposed subterranean development, in particular, the impact of the development on carbon emissions, contrary to policies contained within the Local Development Framework, in particular policy CE1 of the Core Strategy adopted 8 December 2010 and policies of the Subterranean Development Supplementary Planning Document adopted 26 May 2009.
4)
The proposed basement by reason of its design, fails to provide adequate topsoil or a 15% undeveloped zone in order to protect the green and leafy appearance of the borough, allow for adequate drainage and landscaping and demonstrate a sustainable urban drainage system to reduce the volume and speed of water, all contrary to policies of the Core Strategy adopted 8 December 2010, in particular policy CL2, CE6, CR6 and the Subterranean Development SPD adopted 26 May 2009.
5)
The applicant has failed to demonstrate that the proposed front extension would preserve or enhance the character and appearance of the host property and conservation area, contrary to policies contained within the Local Development Framework, in particular policies CL1, CL2, CL3 and CL6 of the Core Strategy (adopted 2010) and policies CD47 and CD63 of the 'saved' UDP.