EQ2 — Sustainable design and construction.

We are taking this approach because Table EQ2.1: Standards for sustainable design and construction Development in the borough will be expected to meet the following minimum standards, unless they are replaced by any applicable national standards. New build Refurbishments Residential All new development should meet the standards for sustainable design and construction set out in the London Plan, including any of the ‘optional’ Building Regulations requirements it adopts. Major developments involving refurbishments should be assessed against BREEAM Domestic Refurbishments, and a rating of Excellent as minimum. Non-residential All new development over 500sqm should be assessed against BREEAM and meet a rating of Excellent as minimum. Major developments involving refurbishments should be assessed against BREEAM Non-Domestic Refurbishments, and a rating of Excellent as minimum. 9.3 Hounslow is a developed urban borough that will see further development of housing and other buildings to support new populations of residents and workers during the plan period. Therefore, the built environment has a significant role to play in climate change mitigation and adaption. The opportunities for sustainable design and construction are rapidly evolving through innovation and advances to technology, and in turn feasibility. However, some of the underlying principles of sustainable design and construction are well established, and detailed in the London Plan and in guidance prepared by the council’s other partners. Hounslow | Local Plan 9.4 Sustainable design and construction requires the implementation of many of the policies included in the Local Plan, including those on climate change and carbon reduction, flood risk and surface water management, waste and pollution. However to ensure sustainability principles are embedded in future development in all locations, London Plan standards for sustainable design and construction, and national standards such as the Code for Sustainable Homes and BREEAM, will be used to measure performance, and minimum requirements will provide for consistent implementation and ensure that all developments contribute to sustainable development. environmental quality EQ2 - SUSTAINABLE DESIGN AND CONSTRUCTION Notes Hounslow | Local Plan This policy sets out the overarching expectations for sustainable design and construction. Other policies, especially those in chapters 7 and 9, set out more detailed requirements on more specific sustainable design elements, such as climate change and carbon reduction, flood risk and surface water management, pollution and biodiversity. The government’s Code for Sustainable Homes is the national standard for sustainable design and construction for housing. The Code assesses the sustainability performance of new developments in nine areas at the design (or interim) and post-construction stages and awards a rating, starting at Level 1 and increasing to Level 6 (zero carbon). Certificates for each dwelling are issued after assessments have taken place. In addition to meeting Level 4 of the Code for Sustainable Homes as minimum, specific credits for ENE 2 Fabric Energy Efficiency (five credits) and Mat 1 Environmental Impact of Materials (ten credits) should be met to address local air quality conditions. The London Plan requires residential development to be designed so that mains water consumption meets a target of 105 litres or less per head per day. The Building Research Establishment Environment Assessment Method (BREEAM) provides a similar measure for non-residential developments, also at the design and postconstruction stages and awarding a rating of ‘pass’, ‘good’, ‘very good’, ‘excellent’ or ‘outstanding’. It also includes nine elements. BREEAM Domestic Refurbishment has been developed to assess the sustainability performance of housing refurbishments, whilst BREEAM Non-Domestic Refurbishments is being developed for nonresidential refurbishments and is expected to be operational in early 2014. BREEAM Domestic Refurbishment has been developed to assess the sustainability performance of large-scale neighbourhood schemes. A number of other standards can be used to assess the sustainability of development. BREEAM Communities can assess largescale neighbourhood schemes and CEEQUAL can assess infrastructure and public realm projects. Where appropriate, the use of these standards in addition to those required in Table EQ2.1 will be encouraged. The Mayor of London has published a draft Sustainable Design and Construction SPD (2013), which provides further details on sustainable design and construction elements set out in the London Plan. Climate Change and the Historic Environment, produced by English Heritage (now Historic England), provides guidance on retrofitting historic and other older properties.

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