Name: Flood Map for Planning, Flood Zones

Display Field: origin

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: The Flood Map for Planning Service includes several layers of information. This includes the Flood Zones data which shows the extent of land at present day risk of flooding from rivers and the sea, ignoring the benefits of defences, for the following scenarios:Flood Zone 1 – Land having a less than 0.1% (1 in 1000) annual probability of flooding.Flood Zone 2 – Land having between 0.1% - 1% (1 in 100 to 1 in 1000) annual probability of flooding from rivers or between 0.1% - 0.5% (1 in 200 to 1 in 1000) annual probability of flooding from the sea, and accepted recorded flood outlines Flood Zone 3 – Areas shown to be at a 1% (1 in 100) or greater annual probability of flooding from rivers or 0.5% (1 in 200) or greater annual probability of flooding from the sea.Flood Zone 1 is not shown in this dataset, but covers all areas not contained within Flood Zones 2 and 3.Local Planning Authorities (LPAs) use the Flood Zones to determine if they must consult the Environment Agency on planning applications. They are also used to determine if development is incompatible and whether development is subject to the exception test. The Flood Zones are one of several flood risk datasets used to determine the need for planning applications to be supported by a Flood Risk Assessment (FRA) and subject to the sequential test.The Flood Zones are a composite dataset including national and local modelled data, and information from past floods.The Flood Zones are designed to only give an indication of flood risk to an area of land and are not suitable for showing whether an individual property is at risk of flooding. This is because we cannot know all the details about each property.For more information, contact Sonia Gallaher on x47570.Last Updated: 25 March 2025, by Environment Agency.

Copyright Text:

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MaxRecordCount: 5000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 0

Max Scale: 0

Supports Advanced Queries: true

Supports Statistics: true

Has Labels: false

Can Modify Layer: true

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Use Standardized Queries: true

Supports Datum Transformation: true

Extent:

XMin: 488679.9000000004
YMin: 239474
XMax: 523152
YMax: 271799.89210000075
Spatial Reference: 27700  (27700)

Drawing Info:

Renderer:
Unique Value Renderer:
Field 1: flood_zone
Field 2: N/A
Field 3: N/A
Field Delimiter: ,
Default Symbol:
N/A
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UniqueValueInfos:
• Value: FZ2
  Label: Flood Zone 2
  Description: N/A
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• Value: FZ3
  Label: Flood Zone 3
  Description: N/A
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Transparency: 35
Labeling Info:

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Supports Sql Expression: true
Supports Query With ResultType: false
Supports Returning Geometry Centroid: false
Supports Binning LOD: false
Supports Query With LOD Spatial Reference: false

HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• origin ( type: esriFieldTypeString, alias: origin, length: 254 )
• flood_zone ( type: esriFieldTypeString, alias: flood_zone, length: 254 )
• flood_sour ( type: esriFieldTypeString, alias: flood_sour, length: 254 )
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Supported Operations:   Query   Query Attachments   Query Analytic   Generate Renderer   Return Updates

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