LP10 — Responding to the Climate Crisis.

Sustainable Construction and Design A. Developments will be required to achieve high standards of sustainable design and construction in order to mitigate the effects of climate change, and to realise the Council’s ambition of becoming zero carbon by 2050. In order to mitigate the effects of climate change and achieve the Council’s target of becoming a zero-carbon borough by 2050, development proposals should: 1. Incorporate the London Plan’s circular economy principles at the start of the design process. 2. Submit a Whole Life Cycle Assessment for all major applications. 3. Incorporate Sustainable Drainage Systems (SuDS) or demonstrate that any proposed alternative sustainable approaches to the management of surface water will be equally effective. 4. Use sustainable construction methods and sustainably sourced and recycled materials, and maximise the use of the river for freight. 5. Retain existing buildings and their embodied carbon in renewal and regeneration projects where this is a viable option. 6. Re-use any demolished materials in-situ where practicable, in order to minimise the transportation of materials and waste, reduce the need for mineral extraction and reduce carbon emissions. 7. Incorporate water conservation measures, to meet a maximum water efficiency standard of 110 litres per person per day for homes (including an allowance of five litres or less per person per day for external water consumption). Planning conditions will be applied to new residential development to ensure that the water efficiency standards are met. 8. Incorporate green roofs and walls wherever possible (see LP57 Urban Greening Factor for additional green features). B. Development proposals will be required to meet the following: 1. New non-residential buildings over 100 sqm will be required to meet BREEAM ‘Outstanding’ standard, unless it can be demonstrated that this would not be technically feasible. New buildings should be designed taking into account changes to the climate over their lifespan. 2. Where proposals are for a change of use to residential, they will be required to meet BREEAM Domestic Refurbishment ‘Outstanding’ standard, unless it can be demonstrated that this would not be technically feasible. 3. New residential development will be expected to meet the BRE Home Quality Mark or Passivhaus standards wherever practicable. Reducing Carbon Dioxide Emissions C. Development proposals will be required to incorporate measures which improve energy conservation and efficiency, as well as contribute to renewable and low carbon energy generation. Proposals will be required to meet the following minimum reductions in carbon emissions: 1. All new major development should achieve zero carbon standards, as set out in the London Plan, with a minimum on-site reduction of 35%. 2. All non-major new residential development provided in new buildings should achieve a minimum on-site reduction of 35%. 3. Residential development should achieve at least a 10% reduction and non-residential development should achieve at least a 15% reduction through the use of energy efficiency measures. 4. In exceptional circumstances, where it is clearly demonstrated that the on-site percentage threshold targets listed in Parts C.1 and C.2 above cannot be fully achieved, any shortfall must be addressed by making a financial contribution to the Council’s Carbon Offset Fund. 5. Development, including the re-use or extension of existing buildings, should achieve the maximum feasible reductions in carbon emissions and support in achieving the strategic carbon reductions target set out in this Plan, while protecting the heritage and character of the buildings. The Energy Hierarchy D. All development is required to follow the energy hierarchy set out within the London Plan (Policy SI2) with respect to its design, construction, and operation. Energy Assessments E. All new residential development and major non-residential development proposals are required to submit an energy assessment, and minor non-residential development proposals are strongly encouraged to provide one. Compliance and Monitoring F. Major development proposals will be required to provide, or fund the provision of, post-construction monitoring of renewable and low-carbon equipment to demonstrate full compliance with the commitments identified within the permission, for a period of four years. Adapting to Climate Change G. The Council will expect all development to be fully resilient to the future impacts of climate change in order to minimise the vulnerability of people, property, the public realm and essential infrastructure to its effects. Retrofitting of existing buildings, through the use of low-carbon measures, to adapt to the likely effects of climate change should be maximised and will be supported. Overheating H. New development should, through its layout, design, construction, materials, landscaping, and operation, minimise the effects of overheating, mitigate the urban heat island effect, and minimise energy consumption in accordance with the cooling hierarchy set out in the Policy SI4 of the London Plan.

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