Ordnance Survey National Grid Reference (OSGB)
The coordinate reference system commonly used in Great Britain (British National Grid) for locating assets and linking flood data to precise site points and polygons.
Example Usage
"We store each asset with an OS grid reference so flood layers align consistently across portfolio mapping and reporting."
Typical Units & Data
Grid reference (e.g., SU 12345 67890); EPSG:27700; coordinates
Related Keywords
Related Terms
Property Flood Resilience (PFR)
Measures applied to buildings to reduce flood damage and speed recovery (resistance and resilience), such as barriers, non‑return valves, raised electrics and flood‑resistant materials..
UK Institutions, Data & PlanningUKCP18 & Environment Agency climate change allowances
UK Climate Projections (UKCP18) and related policy allowances used in UK flood and drainage assessments to account for future changes in rainfall, river flows and sea levels..
UK Institutions, Data & PlanningStrategic Flood Risk Assessment (SFRA)
A local planning evidence base produced for a Local Planning Authority area, assessing flood risk and informing land allocation, site policies and planning decisions..
UK Institutions, Data & PlanningLead Local Flood Authority (LLFA)
The county or unitary authority responsible for managing local flood risk (surface water, groundwater and ordinary watercourses) in England under the Flood and Water Management Act..
UK Institutions, Data & PlanningFlood Estimation Handbook (FEH) & ReFH2
UK methods used to estimate design rainfall and flood hydrographs/flows for catchments (FEH rainfall and runoff methods; ReFH2 for small catchment event hydrographs)..
UK Institutions, Data & PlanningRisk Management Authorities (RMAs)
Organisations with statutory responsibilities for managing flood and coastal erosion risk in England and Wales (e.g., Environment Agency, LLFAs, water companies, highways authorities, internal drainage boards)..
FloodWatch Resources
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