Habitats Regulations Assessment of the Royal Borough of Windsor and Maidenhead Local Plan
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Habitats Regulations Assessment of the Royal Borough of Windsor and Maidenhead Local Plan Report to Inform the HRA March 2020 Habitats Regulations Assessment of the Royal Borough of Windsor and Maidenhead Local Plan Report to Inform the HRA LC-575 Document Control Box Client Royal Borough of Windsor and Maidenhead Council Report Title Report to Inform the HRA Status Final Filename LC-575_BLPSV-PC_Report to Inform HRA_16_230320SC.docx Date March 2020 Author SC Reviewed RG Approved NJD Photo: Virginia Water by Edmund Gall Report to Inform the HRA of the BLPSV-PC March 2020 LC-575_BLPSV-PC_Report to Inform HRA_16_230320SC.docx Contents 1 Introduction ...................................................................................................................................................... 1 1.1 Background ................................................................................................................................................................... 1 1.2 The HRA process .................................................................................................................................................... 1 2 Local Plan ......................................................................................................................................................... 5 2.1 Borough Local Plan .............................................................................................................................................. 5 2.2 Background to the Local Plan development .............................................................................................. 5 2.3 Local Plan policies and allocations ................................................................................................................. 7 2.4 Previous HRA work ............................................................................................................................................... 7 2.5 Purpose of report .................................................................................................................................................. 9 3 Methodology ................................................................................................................................................. 10 3.1 HRA guidance ....................................................................................................................................................... 10 3.2 Identification of European sites ..................................................................................................................... 10 3.3 HRA methodology ................................................................................................................................................ 11 3.4 Stage 1: Screening for likely significant effects ........................................................................................ 12 3.5 What is a Likely Significant Effect? ............................................................................................................... 13 3.6 In-combination effects ....................................................................................................................................... 15 3.7 Case law .................................................................................................................................................................. 18 3.8 Stage 2: Appropriate Assessment and Integrity Test .......................................................................... 20 3.9 Dealing with uncertainty ................................................................................................................................. 20 3.10 The Precautionary Principle ............................................................................................................................. 21 4 Screening ....................................................................................................................................................... 22 4.1 Background ........................................................................................................................................................... 22 4.2 European sites ...................................................................................................................................................... 22 4.3 Ecological information ...................................................................................................................................... 25 4.4 Threats and pressures ....................................................................................................................................... 27 4.5 Screening out sites ............................................................................................................................................ 30 4.6 Air quality .............................................................................................................................................................. 30 4.7 Public Access and Disturbance ....................................................................................................................... 31 4.8 Burnham Beeches SAC - public access and disturbance screening .............................................. 33 4.9 Chilterns Beechwood SAC – public access and disturbance screening ....................................... 35 4.10 South West London Waterbodies SPA and Ramsar - public access and disturbance screening ................................................................................................................................................................ 37 4.11 Thames Basin Heaths SPA - public access and disturbance screening ........................................ 42 4.12 Windsor Forest and Great Park SAC – public access and disturbance ........................................ 45 4.13 Hydrology .............................................................................................................................................................. 48 4.14 Burnham Beeches SAC – hydrology screening ...................................................................................... 58 4.15 Chilterns Beechwoods SAC – hydrology screening ............................................................................. 60 4.16 South West London Waterbodies SPA/Ramsar – hydrology screening ....................................... 61 4.17 Thames Basin Heaths SPA and Thursley, Ash, Pirbright and Chobham SAC – hydrology screening ............................................................................................................................................................... 63 4.18 Windsor Forest and Great Park SAC – hydrology screening ............................................................ 64 4.19 Habitat fragmentation and loss .................................................................................................................... 65 4.20 Burnham Beeches SAC – habitat loss and fragmentation screening ............................................ 66 4.21 Thames Basin Heaths SPA – habitat loss and fragmentation screening ...................................... 67 4.22 Thursley, Ash, Pirbright and Chobham SAC – habitat loss and fragmentation screening .... 68 4.23 Arson and Wildfire ............................................................................................................................................. 69 4.24 Thames Basin Heaths SPA and Thursley, Ash, Pirbright and Chobham SAC – arson and wildfire screening ............................................................................................................................................... 69 4.25 In-combination screening ............................................................................................................................... 70 4.26 Policy screening .................................................................................................................................................... 71 4.27 Sites screening ..................................................................................................................................................... 72 4.28 Screening conclusion ......................................................................................................................................... 72 5 Appropriate assessment – air quality ................................................................................................. 74 6 Appropriate Assessment: Public Access and Disturbance ........................................................ 75 6.2 Existing mitigation provided by the BLPSV-PC ...................................................................................... 75 6.3 Burnham Beeches SAC ..................................................................................................................................... 77 6.4 Chilterns Beechwoods SAC ............................................................................................................................ 79 © Lepus Consulting for Royal Borough of Windsor and Maidenhead Council i Report to Inform the HRA of the BLPSV-PC March 2020 LC-575_BLPSV-PC_Report to Inform HRA_16_230320SC.docx 6.5 Thames Basin Heaths SPA .............................................................................................................................. 82 6.6 Windsor Forest and Great Park SAC .........................................................................................................