Page 28 - Hillingdon SuDS DESIGN & EVALUATION
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Local Suds Specific Requirements Local LPA and Stakeholder Engagement
Local SuDS requirements
The London Borough of Hillingdon as the 2nd Early Consultation before the planning
largest London Borough process is strongly encouraged for all types
of development ( from small scale to major)
Urban creep including the paving of front and developers are also encouraged to
gardens and climate change is putting an undertake detailed pre application
increasing pressure on the existing drainage discussions with the Local Planning Authority.
system. Particularly heavy rainfall is resulting
in increasingly flashy catchments causing This is critical in major schemes where the
flooding. Equally the polluted and silted inclusion of SuDs need to be considered
nature of run off from the traditional drainage alongside the development of key features of
measures has resulted in the poor water a scheme to ensure it is fully integrated and
framework directive status of many of the the best Sustainable Drainage options can be
rivers in Hillingdon. delivered.
The London Borough of Hillingdon has The LPA pre application advice service
developed a Flood Risk portfolio of incorporates all technical consultees within
documents supporting the flood risk the remit of the Council.
management within the Borough including Further information can be found on the
the Surface Water Management Plan and
Local Flood Risk Management Strategy. London Borough of Hillingdon website of our
policies and processes, as well as design
These identify Critical Drainage Areas and checklists and proforma to help you.
23 areas where work are being planned to
reduce risk, as well as provide Facing top: Swales within the main spine road
recommendations that have then been at St Andrews Park, Uxbridge - a new 1500
adopted as policies in the Local Plan. This home development near the town centre
ensures that SuDs and Green Infrastructure adjacent to a new country park.
as well as waterways are integral part of
development. Designing the worst case
scenario is not acceptable. Where a suitable
scheme can not be implemented, offsite
contributions will be considered.
The area is under pressure to accommodate
growth along the infrastructure corridors
such as Crossrail. Much of the water supply in
this area is met by groundwater abstraction
which is limited. Therefore each development
should contribute to reducing the pressure Facing bottom: Green Roof at Lake Farm
on our water resources through the provision School - part of the Hillingdon Schools
of water reuse and rainwater harvesting. Expansion programme.
London Borough of Hillingdon SuDS D & E Guide © 2018 McCloy Consulting & Robert Bray Associates
