Sustainability Appraisal Main Report
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Wiltshire Housing Site Allocations Plan Sustainability Appraisal Report February 2020 Wiltshire Council: Wiltshire Housing Site Allocations Plan: Sustainability Appraisal Report Notice Document history Revision Purpose description Originated Checked Reviewed Authorised Date 0.10 Introductory chapters (1- BN / CW KP KP KP 19/04/17 7) including area summaries only for Cabinet Liaison 24th April 2017 0.20 Draft BN / PE KP KP MH 12/05/17 0.30 Final draft BN / PE DW KP KP 30/05/17 0.40 Final BN / PE DW KP KP 27/06/17 0.50 Final following pre- KP KP CW MH 04/05/18 submission consultation 0.60 Final following Submitted KP KP DW KP 10/09/18 Schedule of Proposed Changes (July 2018) 0.70 Revision following DW DW GW GW 04/09/19 Further Main Modifications (Sep 2019) 0.80 Revision following final DW DW GW GW 14/02/20 Inspector’s letter 23/01/20 and consolidated schedule of main modifications (MMs) Project Wiltshire Housing Site Allocations Plan Document title SA Report Wiltshire Council 2 Wiltshire Council: Wiltshire Housing Site Allocations Plan: Sustainability Appraisal Report Table of contents Non-Technical Summary Chapter Pages 1. Introduction 33 1.1 Purpose and structure of this report 33 1.2 Wiltshire Core Strategy 35 1.3 Wiltshire Housing Site Allocations Plan 36 1.4 Sustainability Appraisal and Strategic Environmental Assessment requirements 39 1.5 Consultation in the SA process 40 1.6 Compliance with requirements of SEA Regulations 41 1.7 Habitats Regulations Assessment 42 2. Methodology 49 2.1 Introduction 49 2.2 Stage A - Scoping 49 2.3 Stage B- Developing and refining alternatives and assessing effects 50 2.4 Secondary, cumulative and synergistic effects assessments 61 2.5 Assessment of settlement boundaries 62 2.6 Stage C- Prepare the SA Report 63 2.7 Stage D: Consulting on the Draft Plan and the Sustainability Appraisal Report 63 2.8 Next steps 63 3. Identifying other relevant plans, programmes and sustainability objectives 64 3.1 Introduction 64 3.2 Methodology 64 3.3 Results 69 4. Baseline characteristics 70 4.1 Methodology 70 4.2 Baseline analysis 70 4.3 Data limitations 72 5. Identifying key sustainability issues 73 5.1 Introduction 73 5.2 Methodology 73 5.3 Results 73 6. Developing the Sustainability Appraisal Framework 92 6.1 Introduction 92 6.2 Methodology 92 6.3 Sustainability Appraisal Framework 94 7. Site options assessment 98 7.1 Introduction 98 7.2 Amesbury Community Area Remainder 101 7.3 Amesbury (including Bulford and Durrington) 119 7.4 Chippenham Community Area Remainder 127 7.5 Devizes Community Area Remainder 148 7.6 Malmesbury Community Area 159 7.7 Salisbury Principal Settlement (including Wilton Town) 166 7.8 Tidworth and Ludgershall Market Town 189 7.9 Tisbury Community Area 193 7.10 Trowbridge Principal Settlement 198 7.11 Warminster Community Area Remainder 216 Wiltshire Council 3 Wiltshire Council: Wiltshire Housing Site Allocations Plan: Sustainability Appraisal Report 7.12 Warminster Market Town 230 7.13 Westbury Community Area Remainder 247 8. Assessment of Plan proposals 253 8.1 Introduction 253 8.2 Plan policies 253 8.3 Assessment of effects 255 8.4 Schedule of Proposed Changes 284 8.5 Schedule of Further Main Modifications (September 2019) and Consolidated Schedule of 297 Main Modifications (February 2020) 8.6 Conclusions 298 9. Cumulative effects 307 10. Assessment of settlement boundaries 315 11. Mitigation 317 12. Monitoring programme 327 13. Conclusions 330 13.1 Introduction 330 13.2 Policy H1.1 in the East Housing Market Area 330 13.3 Policies H2.1 – H2.13 in the North and West Housing Market Area 331 13.4 Policies H3.1 – H3.7 in the South Housing Market Area 332 13.5 Combined effects of Policies H1.1, H2.1 – H2.13 and H3.1 – H3.7 332 13.6 Cumulative effects with other Plans 333 13.7 Habitats Regulations Assessment 334 Appendix A. Consultation comments on SA Scoping Report 336 Appendix B. Sustainability themes identified from review of plans, programmes and sustainability objectives 338 Annex I (Separate document) Site Options Assessment Annex II (Separate document) SA assessment of Schedule of Proposed Changes Annex III (Separate document) SA assessment of Schedule of Further Main Modifications Annex IV (Separate document) SA assessment of Consolidated Schedule of Main Modifications (February 2020) List of Tables Table 1.1. SEA requirements 41 Table 1.2. List of European sites screened for LSE 43 Table 2.1. Strategic constraints and their relationship with the SA objectives 52 Table 2.2. Generic Assessment Scale 53 Table 2.3. Generic Assessment Scale for each SA Objective 54 Table 2.4. Criteria for Assessing Significance of Effects 61 Table 3.1. Review of relevant Plans, Policies and Programmes 65 Table 5.1. Key Sustainability Issues and Opportunities 74 Table 6.1. Sustainability Appraisal Framework 94 Table 7.1. Amesbury Community Area Remainder - Summary of Scores of Site Options Assessments 104 Table 7.2. Amesbury (inc Bulford and Durrington) - Summary of Scores of Site Options Assessments 122 Table 7.3. Chippenham Community Area Remainder - Summary of Scores of Site Options Assessments 132 Table 7.4. Devizes Community Area Remainder - Summary of Scores of Site Options Assessments 151 Table 7.5. Malmesbury Community Area - Summary of Scores of Site Options Assessments 162 Wiltshire Council 4 Wiltshire Council: Wiltshire Housing Site Allocations Plan: Sustainability Appraisal Report Table 7.6. Salisbury Principal Settlement (including Wilton Town) - Summary of Scores of Site Options Assessments 169 Table 7.7. Tidworth and Ludgershall Market Town - Summary of Scores of Site Options Assessments 191 Table 7.8. Tisbury Community Area - Summary of Scores of Site Options Assessments 195 Table 7.9. Trowbridge Principal Settlement - Summary of Scores of Site Options Assessments 200 Table 7.10. Warminster Community Area - Summary of Scores of Site Options Assessments 219 Table 7.11. Warminster Market Town - Summary of Scores of Site Options Assessments 233 Table 7.12. Westbury Community Area Remainder - Summary of Scores of Site Options Assessments 249 Table 8.1. Sites proposed as suitable for housing development within the Plan 254 Table 8.2. Policy H1.1 257 Table 8.3. North and West HMA policies 259 Table 8.4. South HMA policies 274 Table 8.5. Summary of policies in each Housing Market Area - assessment against the SA framework 299 Table 9.1. Combined effects of policies within each HMA (H1.1, H2.1 – H2.13 and H3.1 – H3.7) 307 Table 10.1. Settlement boundary methodology 315 Table 11.1. Summary of mitigation measures and Council responses 317 Table 12.1. Proposed Monitoring Programme 328 List of Figures Figure 1.1. Housing Market Areas in Wiltshire 36 Figure 1.2. Community Areas in Wiltshire 38 Figure 1.3. SA Process in Relation to Plan-Making 40 Figure 2.1. Housing Sites Identification Methodology and relationship with SA 51 Figure 7.1. Shrewton 102 Figure 7.2. The Winterbournes 103 Figure 7.3. Durrington 120 Figure 7.4. Amesbury 121 Figure 7.5. Hullavington 129 Figure 7.6. Kington St Michael 130 Figure 7.7. Yatton Keynell 131 Figure 7.8. Market Lavington 150 Figure 7.9. Crudwell 161 Figure 7.10. Oaksey 161 Figure 7.11. Salisbury 167 Figure 7.12. Wilton 168 Figure 7.13. Tidworth and Ludgershall Market Town 190 Figure 7.14. Fovant 194 Figure 7.15. Trowbridge 199 Figure 7.16. Chapmanslade 217 Figure 7.17. Codford 218 Figure 7.18. Heytesbury 218 Figure 7.19. Warminster Market Town 232 Figure 7.20. Bratton 248 Wiltshire Council 5 Wiltshire Council: Wiltshire Housing Site Allocations Plan: Sustainability Appraisal Report Non-Technical Summary Purpose of this report This report is the Sustainability Appraisal (SA) Report Non-Technical Summary of the Wiltshire Housing Site Allocations Plan (the Plan). The purpose of the SA Report is to assess and inform the development of the Housing Site Allocations Plan. This report has been produced by Wiltshire Council. This non-technical summary sets out the SA process for the Plan and summarises the key assessment findings and recommendations. Wiltshire Council is preparing the Plan to support the delivery of new housing set out in the Wiltshire Core Strategy (adopted January 2015). The Plan identifies sufficient land (in the form of sites) across Wiltshire to ensure delivery of the Wiltshire Core Strategy housing requirement and help to maintain a five-year housing land supply up to the end of the plan period to 2026. It also reviews settlement boundaries across Wiltshire. The July 2018 SA Report was submitted to the Secretary of State alongside the draft Wiltshire Housing Site Allocations Plan and a final, consolidated Schedule of Proposed Changes. It [the SA] had been updated following pre-submission consultation on the draft Plan and associated SA Report that took place between 14 July 2017 and 22 September 2017. The submitted version of the SA Report contained a document called “Annex II”, which provided an assessment of the implications for the SA of the Council’s Schedule of Proposed Changes to the draft Plan. Following the submission of documents, it was identified that the assessment presented in the submitted version of Annex II was based on the Schedule of Proposed Changes as presented to Cabinet in May 2018, together with the implications of the resolution of the July Cabinet1. To clearly reflect the full extent of the Schedule of Proposed Changes approved by Cabinet and Council in July 2018 (and subsequently submitted to the Secretary of State), Annex II was revised. When read as a whole, the assessment presented in the revised Annex II, sets out the implications for the SA arising from the Council’s submitted Schedule of Proposed Changes (July 2018) to the draft Plan.