Strategic Flood Risk Assessment 2024 – Appendix A Mapping

Strategic Flood Risk Assessment 2024 – Appendix A Mapping

Maps are available grouped by area. Please refer to the diagram below to identify the area of interest to you.

Click on the area listed below to view the maps.

• A3 (Chawton, Upper Farringdon, East Worldham)

  Reservoir Flood Extents_A3(6)
  Risk from Surface Water – Future Risk 3.3% AEP_A3(6)
  Risk from Surface Water – Future Risk 1.0% AEP_A3(6)
  Risk of Flooding from Surface Water_A3(6)
  SFRA Flood Zones South Downs_A3(6)
  Superficial Geology_A3(6)
  BGS Bedrock Geology_A3(6)
  Climate Change Impact Zone_A3(6)
  Flood Defences Mapping_A3(6)
  Future Flood Zone 3a_A3(6)
  Future Flood Zone 3b_A3(6)
  Groundwater Depth_A3(6)
  Historic Flood Mapping_A3(6)

• A4 (Binsted)

  Reservoir Flood Extents_A4(10)
  Risk from Surface Water – Futu Risk 1.0% AEP_A4(10)
  Risk from Surface Water – Future Risk 3.3% AEP_A4(10)
  Risk of Flooding from Surface Water_A4(10)
  SFRA Flood Zones South Downs_A4(10)
  Superficial Geology_A4(10)
  BGS Bedrock Geology_A4(10)
  Climate Change Impact Zone_A4(10)
  Flood Defences Mapping_A4(10)
  Future Flood Zone 3a_A4(10)
  Future Flood Zone 3b_A4(10)
  Groundwater Depth_A4(10)
  Historic Flood Mapping_A4(10)

• B1 (East of Winchester)

  Reservoir Flood Extents_B1(1)
  Risk of Flooding from Surface Water – Future Flood Risk 1.0% AEP_B1(1)
  Risk of Flooding from Surface Water – Future Flood Risk 3.3% AEP_B1(1)
  Risk of Flooding from Surface Water_B1(1)
  SFRA Flood Zones South Downs_B1(1)
  Superficial Geology_B1(1)
  BGS Bedrock Geology_B1(1)
  Climate Change Impact Zone_B1(1)
  Flood Defences Mapping_B1(1)
  Future Flood Zone 3a_B1(1)
  Future Flood Zone 3b_B1(1)
  Groundwater Depth_B1(1)
  Historic Flood Mapping_B1(1)

• B2 (Tichborne to West Tisted)

  Historic Flood Mapping_B2(3)
  Reservoir Flood Extents_B2(3)
  Risk from Surface Water – Future Risk 1.0% AEP_B2(3)
  Risk from Surface Water – Future Risk 3.3% AEP_B2(3)
  Risk of Flooding from Surface Water_B2(3)
  SFRA Flood Zones South Downs_B2(3)
  Superficial Geology_B2(3)
  BGS Bedrock Geology_B2(3)
  Climate Change Impact Zone_B2(3)
  Flood Defences Mapping_B2(3)
  Future Flood Zone 3a_B2(3)
  Future Flood Zone 3b_B2(3)
  Groundwater Depth_B2(3)

• B3 (Selborne to Steep)

  Historic Flood Mapping_B3(7)
  Reservoir Flood Extents_B3(7)
  Risk from Surface Water – Future Risk 1.0% AEP_B3(7)
  Risk from Surface Water – Future Risk 3.3% AEP_B3(7)
  Risk of Flooding from Surface Water_B3(7)
  SFRA Flood Zones South Downs_B3(7)
  Superficial Geology_B3(7)
  BGS Bedrock Geology_B3(7)
  Climate Change Impact Zone_B3(7)
  Flood Defences Mapping_B3(7)
  Future Flood Zone 3a_B3(7)
  Future Flood Zone 3b_B3(7)
  Groundwater Depth_B3(7)

• B4 (Liss to Milland)

  Reservoir Flood Extents_B4(11)
  Risk from Surface Water – Future Risk 1.0% AEP_B4(11)
  Risk from Surface Water – Future Risk 3.3% AEP_B4(11)
  Risk of Flooding from Surface Water_B4(11)
  SFRA Flood Zones South Downs_B4(11)
  Superficial Geology_B4(11)
  BGS Bedrock Geology_B4(11)
  Climate Change Impact Zone_B4(11)
  Flood Defences Mapping_B4(11)
  Future Flood Zone 3a_B4(11)
  Future Flood Zone 3b_B4(11)
  Groundwater Depth_B4(11)
  Historic Flood Mapping_B4(11)

• B5 (Fernhurst to Northchapel)

  Future Flood Zone 3b_B5(14)
  Groundwater Depth_B5(14)
  Historic Flood Mapping_B5(14)
  Reservoir Flood Extents_B5(14)
  Risk from Surface Water-Future Risk 1.0% AEP_B5(14)
  Risk from Surface Water-Future Risk 3.3% AEP_B5(14)
  Risk of Flooding from Surface Water_B5(14)
  SFRA Flood Zones South Downs_B5(14)
  Superficial Geology_B5(14)
  BGS Bedrock Geology_B5(14)
  Climate Change Impact Zone_B5(14)
  Flood Defences Mapping_B5(14)
  Future Flood Zone 3a_B5(14)

• B6 (Ebernoe)

  Risk of Flooding from Surface Water_B6(17)
  SFRA Flood Zones South Downs_B6(17)
  Superficial Geology_B6(17)
  BGS Bedrock Geology_B6(17)
  Climate Change Impact Zone_B6(17)
  Flood Defences Mapping_B6(17)
  Future Flood Zone 3a_B6(17)
  Future Flood Zone 3b_B6(17)
  Groundwater Depth_B6(17)
  Historic Flood Mapping_B6(17)
  Reservoir Flood Extents_B6(17)
  Risk from Surface Water-Future Risk 1.0% AEP_B6(17)
  Risk from Surface Water-Future Risk 3.3% AEP_B6(17)

• C1 (SE of Winchester)

  Historic Flood Mapping_C1(2)
  Reservoir Flood Extents_C1(2)
  Risk of Flooding from Surface Water_C1(2)
  Risk of Surface Water – Future Risk 1.0% AEP_C1(2)
  Risk of Surface Water – Future Risk 3.3% AEP_C1(2)
  SFRA Flood Zones South Downs_C1(2)
  Superficial Geology_C1(2)
  BGS Bedrock Geology_C1 (2)
  Climate Change Impact Zone_C1(2)
  Flood Defences Mapping_C1(2)
  Future Flood Zone 3a_C1(2)
  Future Flood Zone 3b_C1(2)
  Groundwater Depth_C1(2)

• C2 (West Meon to Droxford)

  Groundwater Depth_C2(4)
  Historic Flood Mapping_C2(4)
  Reservoir Flood Extents_C2(4)
  Risk from Surface Water – Future Risk 1.0% AEP_C2(4)
  Risk from Surface Water – Future Risk 3.3% AEP_C2(4)
  Risk of Flooding from Surface Water_C2(4)
  SFRA Flood Zones South Downs_C2(4)
  Superficial Geology_C2(4)
  BGS Bedrock Geology_C2(4)
  Climate Change Impact Zone_C2(4)
  Flood Defences Mapping_C2(4)
  Future Flood Zone 3a_C2(4)
  Future Flood Zone 3b_C2(4)

• C3 (Petersfield to Clanfield)

  Groundwater Depth_C3(8)
  Historic Flood Mapping_C3(8)
  Reservoir Flood Extents_C3(8)
  Risk from Surface Water – Future Risk 1.0% AEP_C3(8)
  Risk from Surface Water – Future Risk 3.3% AEP_C3(8)
  Risk of Flooding from Surface Water_C3(8)
  SFRA Flood Zones South Downs_C3(8)
  Superficial Geology_C3(8)
  BGS Bedrock Geology_C3(8)
  Climate Change Impact Zone_C3(8)
  Flood Defences Mapping_C3(8)
  Future Flood Zone 3a_C3(8)
  Future Flood Zone 3b_C3(8)

• C4 (Harting, Rogate, Stedham)

  Risk from Surface Water-Future Flood Risk 3.3% AEP_C4(12)
  Risk of Flooding from Surface Water_C4(12)
  SFRA Flood Zones South Downs_C4(12)
  Superficial Geology_C4(12)
  BGS Bedrock Geology_C4(12)
  Climate Change Impact Zone_C4(12)
  Flood Defences Mapping_C4(12)
  Future Flood Zone 3a_C4(12)
  Future Flood Zone 3b_C4(12)
  Groundwater Depth_C4(12)
  Historic Flood Mapping_C4(12)
  Reservoir Flood Extents_C4(12)
  Risk from Surface Wate -Future Risk 1.0% AEP_C4(12)

• C5 (Midhurst to Petworth)

  Reservoir Flood Extents_C5 (15)
  Risk of Flooding from Surf_Water_Future Risk 1.0% AEP_C5 (15)
  Risk of Flooding from Surf_Water_Future Risk 3.3% AEP_C5 (15)
  Risk of Flooding from Surface Water_C5 (15)
  SFRA Flood Zones South Downs_C5 (15)
  Superficial Geology_C5 (15)
  BGS Bedrock Geology_C5 (15)
  Climate Change Impact Zone_C5 (15)
  Flood Defences Mapping_C5 (15)
  Future Flood Zone 3a_C5 (15)
  Future Flood Zone 3b_C5 (15)
  Groundwater Depth_C5 (15)
  Historic Flood Mapping_C5 (15)

• C6 (Petworth to Pulborough)

  Groundwater Depth_C6(18)
  Future Flood Zone 3b_C6(18)
  Future Flood Zone 3a_C6(18)
  Flood Defences Mapping_C6(18)
  Climate Change Impact Zone_C6(18)
  BGS Bedrock Geology_C6(18)
  Superficial Geology_C6(18)
  SFRA Flood Zones South Downs_C6(18)
  Risk of Flooding from Surface Water_C6(18)
  Risk from Surface Water-Future Risk 3.3% AEP_C6(18)
  Risk from Surface Water-Future Risk 1.0% AEP_C6(18)
  Reservoir Flood Extents_C6(18)
  Historic Flood Mapping_C6(18)

• C7 (West Chiltington)

  Historic Flood Mapping_C7(20)
  Reservoir Flood Extents_C7(20)
  Risk from Surface Water-Future Risk 1.0% AEP_C7(20)
  Risk from Surface Water-Future Risk 3.3% AEP_C7(20)
  Risk of Flooding from Surface Water_C7(20)
  SFRA Flood Zones South Downs_C7(20)
  Superficial Geology_C7(20)
  BGS Bedrock Geology_C7(20)
  Climate Change Impact Zone_C7(20)
  Flood Defences Mapping_C7(20)
  Future Flood Zone 3a_C7(20)
  Future Flood Zone 3b_C7(20)
  Groundwater Depth_C7(20)

• C8 (Wykenhurst)

  Groundwater Depth_C8(23)
  Historic Flood Mapping_C8(23)
  Reservoir Flood Extents_C8(23)
  Risk from Surface Water-Future Risk 1.0% AEP_C8(23)
  Risk from Surface Water-Future Risk 3.3% AEP_C8(23)
  Risk of Flooding from Surface Water_C8(23)
  SFRA Flood Zones South Downs_C8(23)
  Superficial Geology_C8(23)
  BGS Bedrock Geology_C8(23)
  Climate Change Impact Zone_C8(23)
  Flood Defences Mapping_C8(23)
  Future Flood Zone 3a_C8(23)
  Future Flood Zone 3b_C8(23)

• C9 (Ditchling)

  Risk from Surface Water-Future Risk 3.3% AEP_C9(25)
  Risk of Flooding from Surface Water_C9(25)
  SFRA Flood Zones South Downs_C9(25)
  Superficial Geology_C9(25)
  BGS Bedrock Geology_C9(25)
  Climate Change Impact Zone_C9(25)
  Flood Defences Mapping_C9(25)
  Future Flood Zone 3a_C9(25)
  Future Flood Zone 3b_C9(25)
  Groundwater Depth_C9(25)
  Historic Flood Mapping_C9(25)
  Reservoir Flood Extents_C9(25)
  Risk from Surface Water-Future Risk 1.0% AEP_C9(25)

• C10 (East Chiltington)

  Future Flood Zone 3b_C10(28)
  Flood Defences Mapping_C10(28)
  Future Flood Zone 3a_C10(28)
  Climate Change Impact Zone_C10(28)
  BGS Bedrock Geology_C10(28)
  Superficial Geology_C10(28)
  SFRA Flood Zones South Downs_C10(28)
  Risk of Flooding from Surface Water_C10(28)
  Risk from Surface Water-Future Risk 3.3% AEP_C10(28)
  Risk from Surface Water-Future Risk 1.0% AEP_C10(28)
  Reservoir Flood Extents_C10(28)
  Historic Flood Mapping_C10(28)
  Groundwater Depth_C10(28)

• D2 (Wickham to Denmead)

  Groundwater Depth_D2(5)
  Historic Flood Mapping_D2(5)
  Reservoir Flood Extents_D2(5)
  Risk from Surface Water – Future Risk 1.0% AEP_D2(5)
  Risk from Surface Water – Future Risk 3.3% AEP_D2(5)
  Risk of Flooding from Surface Water_D2(5)
  SFRA Flood Zones South Downs_D2(5)
  Superficial Geology_D2(5)
  BGS Bedrock Geology_D2(5)
  Climate Change Impact Zone_D2(5)
  Flood Defences Mapping_D2(5)
  Future Flood Zone 3a_D2(5)
  Future Flood Zone 3b_D2(5)

• D3 (Blendworth to Aldsworth)

  Reservoir Flood Extents_D3(9)
  Risk from Surface Water – Future Risk 1.0% AEP_D3(9)
  Risk from Surface Water – Future Risk 3.3% AEP_D3(9)
  Risk of Flooding from Surface Water_D3(9)
  SFRA Flood Zones South Downs_D3(9)
  Superficial Geology_D3(9)
  BGS Bedrock Geology_D3(9)
  Climate Change Impact Zone_D3(9)
  Flood Defences Mapping_D3(9)
  Future Flood Zone 3a_D3(9)
  Future Flood Zone 3b_D3(9)
  Groundwater Depth_D3(9)
  Historic Flood Mapping_D3(9)

• D4 (West Marden, Funtington, Lavant, West Dean)

  Groundwater Depth_D4(13)
  Historic Flood Mapping_D4(13)
  Reservoir Flood Extents_D4(13)
  Risk from Surface Water-Future Risk 1.0% AEP_D4(13)
  Risk from Surface Water-Future Risk 3.3% AEP_D4(13)
  Risk of Flooding from Surface Water_D4(13)
  SFRA Flood Zones South Downs_D4(13)
  Superficial Geology_D4(13)
  BGS Bedrock Geology_D4(13)
  Climate Change Impact Zone_D4(13)
  Flood Defences Mapping_D4(13)
  Future Flood Zone 3a_D4(13)
  Future Flood Zone 3b_D4(13)

• D5 (West Dean to Slindon)

  Risk from Surface Water-Future Risk 3.3% AEP_D5(16)
  Risk of Flooding from Surface Water_D5(1)6
  SFRA Flood Zones South Downs_D5(16)
  Superficial Geology_D5(16)
  BGS Bedrock Geology_D5(16)
  Climate Change Impact Zone_D5(16)
  Flood Defences Mapping_D5(16)
  Future Flood Zone 3a_D5(16)
  Future Flood Zone 3b_D5(16)
  Groundwater Depth_D5(16)
  Historic Flood Mapping_D5(16)
  Reservoir Flood Extents_D5(16)
  Risk from Surface Water-Future Risk 1.0% AEP_D5(16)

• D6 (Bury to Arundel)

  Reservoir Flood Extents_D6(19)
  Risk from Surface Wate -Future Risk 3.3% AEP_D6(19)
  Risk from Surface Water-Future Risk 1.0% AEP_D6(19)
  Risk of Flooding from Surface Water_D6(19)
  SFRA Flood Zones South Downs_D6(19)
  Superficial Geology_D6(19)
  BGS Bedrock Geology_D6(19)
  Climate Change Impact Zone_D6(19)
  Flood Defences Mapping_D6(19)
  Future Flood Zone 3a_D6(19)
  Future Flood Zone 3b_D6(19)
  Groundwater Depth_D6(19)
  Historic Flood Mapping_D6(19)

• D7 (Findon to Washington)

  Historic Flood Mapping_D7(21)
  Reservoir Flood Extents_D7(21)
  Risk from Surface Water-Future Risk 1.0% AEP_D7(21)
  Risk from Surface Water-Future Risk 3.3% AEP_D7(21)
  Risk of Flooding from Surface Water_D7(21)
  SFRA Flood Zones South Downs_D7(21)
  Superficial Geology_D7(21)
  BGS Bedrock Geology_D7(21)
  Climate Change Impact Zone_D7(21)
  Flood Defences Mapping_D7(21)
  Future Flood Zone 3a_D7(21)
  Future Flood Zone 3b_D7(21)
  Groundwater Depth_D7(21)

• D8 (Steyning to Shoreham)

  Future Flood Zone 3b_D8(24)
  Groundwater Depth_D8(24)
  Historic Flood Mapping_D8(24)
  Reservoir Flood Extents_D8(24)
  Risk from Surface Water-Future Risk 1.0% AEP_D8(24)
  Risk from Surface Water-Future Risk 3.3% AEP_D8(24)
  Risk of Flooding from Surface Water_D8(24)
  SFRA Flood Zones South Downs_D8(24)
  Superficial Geology_D8(24)
  BGS Bedrock Geology_D8(24)
  Climate Change Impact Zone_D8(24)
  Flood Defences Mapping_D8(24)
  Future Flood Zone 3a_D8(24)

• D9 (Poynings to Plumpton)

  Risk from Surface Water-Future Risk 1.0% AEP_D9(26)
  Risk from Surface Water-Future Risk 3.3% AEP_D9(26)
  Risk of Flooding from Surface Water_D9(26)
  SFRA Flood Zones South Downs_D9(26)
  Superficial Geology_D9(26)
  BGS Bedrock Geology_D9(26)
  Climate Change Impact Zone_D9(26)
  Flood Defences Mapping_D9(26)
  Future Flood Zone 3a_D9(26)
  Future Flood Zone 3b_D9(26)
  Groundwater Depth_D9(26)
  Historic Flood Mapping_D9(26)
  Reservoir Flood Extents_D9(26)

• D10 (Lewes)

  Groundwater Depth_D10(29)
  Future Flood Zone 3b_D10(29)
  Future Flood Zone 3a_D10(29)
  Flood Defences Mapping_D10(29)
  Climate Change Impact Zone_D10(29)
  BGS Bedrock Geology_D10(29)
  Superficial Geology_D10(29)
  SFRA Flood Zones South Downs_D10(29)
  Risk of Flooding from Surface Water_D10(29)
  Risk from Surface Water-Future Risk 3.3% AEP_D10(29)
  Risk from Surface Water-Future Risk 1.0% AEP_D10(29)
  Reservoir Flood Extents_D10(29)
  Historic Flood Mapping_D10(29)

• D11 (Firle to Wilmington)

  Future Flood Zone 3a_D11(31)
  Future Flood Zone 3b_D11(31)
  Groundwater Depth_D11(31)
  Historic Flood Mapping_D11(31)
  Reservoir Flood Extents_D11(31)
  Risk from Surface Water-Future Risk 1.0% AEP_D11(31)
  Risk from Surface Water-Future Risk 3.3% AEP_D11(31)
  Risk of Flooding from Surface Water_D11(31)
  SFRA Flood Zones South Downs_D11(31)
  Superficial Geology_D11(31)
  BGS Bedrock Geology_D11(31)
  Climate Change Impact Zone_D11(31)
  Flood Defences Mapping_D11(31)

• D12 (South West Polegate)

  Risk from Surface Water-Future Risk 3.3% AEP_D12(33)
  Risk of Flooding from Surface Water_D12(33)
  SFRA Flood Zones South Downs_D12(33)
  Superficial Geology_D12(33)
  BGS Bedrock Geology_D12(33)
  Climate Change Impact Zone_D12(33)
  Flood Defences Mapping_D12(33)
  Future Flood Zone 3a_D12(33)
  Future Flood Zone 3b_D12(33)
  Groundwater Depth_D12(33)
  Historic Flood Mapping_D12(33)
  Reservoir Flood Extents_D12(33)
  Risk from Surface Water-Future Risk 1.0% AEP_D12(33)

• E7 (Hangleton)

  Reservoir Flood Extents_E7(22)
  Risk from Surface Water-Future Risk 1.0% AEP_E7(22)
  Risk from Surface Water-Future Risk 3.3% AEP_E7(22)
  Risk of Flooding from Surface Water_E7(22)
  SFRA Flood Zones South Downs_E7(22)
  Superficial Geology_E7(22)
  BGS Bedrock Geology_E7(22)
  Climate Change Impact Zone_E7(22)
  Flood Defences Mapping_E7(22)
  Future Flood Zone 3a_E7(22)
  Future Flood Zone 3b_E7(22)
  Groundwater Depth_E7(22)
  Historic Flood Mapping_E7(22)

• E9 (Ovingdean)

  Risk from Surface Water-Future Risk 1.0% AEP_E9(27)
  Risk from Surface Water-Future Risk 3.3% AEP_E9(27)
  Risk of Flooding from Surface Water_E9(27)
  SFRA Flood Zones South Downs_E9(27)
  Superficial Geology_E9(27)
  BGS Bedrock Geology_E9(27)
  Climate Change Impact Zone_E9(27)
  Flood Defences Mapping_E9(27)
  Future Flood Zone 3a_E9(27)
  Future Flood Zone 3b_E9(27)
  Groundwater Depth_E9(27)
  Historic Flood Mapping_E9(27)
  Reservoir Flood Extents_E9(27)

• E10 (Rottingdean to Newhaven)

  Historic Flood Mapping_E10(30)
  Reservoir Flood Extents_E10(30)
  Risk from Surface Water-Future Risk 1.0% AEP_E10(30)
  Risk from Surface Water-Future Risk 3.3% AEP_E10(30)
  Risk of Flooding from Surface Water_E10(30)
  SFRA Flood Zones South Downs_E10(30)
  Superficial Geology_E10(30)
  BGS Bedrock Geology_E10(30)
  Climate Change Impact Zone_E10(30)
  Flood Defences Mapping_E10(30)
  Future Flood Zone 3a_E10(30)
  Future Flood Zone 3b_E10(30)
  Groundwater Depth_E10(30)

• E11 (Alfriston to East Dean)

  Future Flood Zone 3b_E11(32)
  Groundwater Depth_E11(32)
  Historic Flood Mapping_E11(32)
  Reservoir Flood Extents_E11(32)
  Risk from Surface Water-Future Risk 1.0% AEP_E11(32)
  Risk from Surface Water-Future Risk 3.3% AEP_E11(32)
  Risk of Flooding from Surface Water_E11(32)
  SFRA Flood Zones South Downs_E11(32)
  Superficial Geology_E11(32)
  BGS Bedrock Geology_E11(32)
  Climate Change Impact Zone_E11(32)
  Flood Defences Mapping_E11(32)
  Future Flood Zone 3a_E11(32)

• E12 (West of Eastbourne)

  Groundwater Depth_E12(34)
  Historic Flood Mapping_E12(34)
  Reservoir Flood Extents_E12(34)
  Risk from Surface Water-Future Risk 1.0% AEP_E12(34)
  Risk from Surface Water-Future Risk 3.3% AEP_E12(34)
  Risk of Flooding from Surface Water_E12(34)
  SFRA Flood Zones South Downs_E12(34)
  Superficial Geology_E12(34)
  BGS Bedrock Geology_E12(34)
  Climate Change Impact Zone_E12(34)
  Flood Defences Mapping_E12(34)
  Future Flood Zone 3a_E12(34)
  Future Flood Zone 3b_E12(34)

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