4 main rail termini and 32 underground Risk to existing, critical and proposed key stations transport infrastructure 4 river bus piers and 157 bus routes passing New development will need to be through the city appropriately located in terms of flood risk New development (e.g. Crossrail ) will be supported by upgrades to existing infrastructure Biodiversity, Fauna and Flora Presence of 41 locally designated nature Potential for negative or positive effects on conservation sites (St Johns Wood Church the conservation sites and wildlife. Ground Local Nature Reserve and over 40 Need to ensure that risk measures do Sites of Importance for Nature Conservation) not negatively affect flow, frequency or Habitats and species of principal importance duration of flooding to water-dependent wildlife. Geology and soil Floodplain gravels and alluvial deposits in the Flood risk on soil quality, which could affect south, Taplow gravel in the central area other SEA topics around Paddington Basin and London Clay to Geology can influence the extent and the north likelihood of an area to groundwater One disused landfill site at Portugal Street flooding and/or the suitability of some types near Holborn and potential for other areas of of Sustainable Urban Drainage options. contaminated land Water Highly built-up River Thames catchment with Direct and indirect effects on water poor water quality resources, both surface and ground water, Three Groundwater Source Protection Zones which could affect their chemical and ‘good’ (SPZ) ecological status as required by the WFD. Two water bodies in strategy area Thames – Middle (estuarine, heavily modified) - Part of the Grand Union Canal (artificial) Heritage Palace of Westminster and Westminster Potential to reduce flood risk to Abbey World Heritage Site archaeological assets Over 11,000 listed buildings, 56 Conservation Potential for impacts on the character of the Areas, 21 listed historic parks and gardens, 5 historic landscape and archaeological Royal Parks, 85 London Squares, 2 assets and setting Scheduled Monuments, 5 archaeological priority areas and strategic or protected views. Non-designated heritage sites Historic landscape Unrecorded archaeological potential around the Thames foreshore and river walls Landscape Settled, low scape townscape with relatively Measures to reduce flood risk need to be few buildings taller than six to eight storeys. sympathetic to the character of the townscape
4 main rail termini and 32 underground stations 4 river bus piers and 157 bus routes passing through the city New development (e.g. Crossrail ) will be supported by upgrades to existing infrastructure Risk to existing, critical and proposed key transport infrastructure New development will need to be appropriately located in terms of flood risk Biodiversity, Fauna and Flora Presence of 41 locally designated nature conservation sites (St Johns Wood Church Ground Local Nature Reserve and over 40 Sites of Importance for Nature Conservation) Habitats and species of principal importance Potential for negative or positive effects on the conservation sites and wildlife. Need to ensure that risk measures do not negatively affect flow, frequency or duration of flooding to water-dependent wildlife. Geology and soil Floodplain gravels and alluvial deposits in the south, Taplow gravel in the central area around Paddington Basin and London Clay to the north One disused landfill site at Portugal Street near Holborn and potential for other areas of contaminated land Flood risk on soil quality, which could affect other SEA topics Geology can influence the extent and likelihood of an area to groundwater flooding and/or the suitability of some types of Sustainable Urban Drainage options. Water Highly built-up River Thames catchment with poor water quality Three Groundwater Source Protection Zones (SPZ) Two water bodies in strategy area – Thames Middle (estuarine, heavily modified) - Part of the Grand Union Canal (artificial) Direct and indirect effects on water resources, both surface and ground water, which could affect their ‘good’ chemical and ecological status as required by the WFD. Heritage Palace of Westminster and Westminster Abbey World Heritage Site Over 11,000 listed buildings, 56 Conservation Areas, 21 listed historic parks and gardens, 5 Royal Parks, 85 London Squares, 2 Scheduled Monuments, 5 archaeological priority areas and strategic or protected views. Non-designated heritage sites Historic landscape Unrecorded archaeological potential around the Thames foreshore and river walls Potential to reduce flood risk to archaeological assets Potential for impacts on the character of the historic landscape and archaeological assets and setting Landscape Settled, low scape townscape with relatively few buildings taller than six to eight storeys. Measures to reduce flood risk need to be sympathetic to the character of the townscape