What is tidal flood modelling versus extreme sea level statistics?
Coastal datasets buyers compare when insurers ask about climate allowances around estuaries in England.
Published: 18 Apr 2026 · Updated: 18 Apr 2026 · 9 min read
Property Passport UK
See this information for your own home
Free address search across England and Wales. No account needed.
19.4 million searchable properties. EPC, flood risk, sold prices, planning, and more in one structured record per home.
Overview
Tidal flooding couples astronomical tides with surge; extreme level tables inform defences planning rather than next Tuesday puddles alone.
Practical checks
Confirm timings and responsibilities with your conveyancer rather than assuming social media summaries.
Records
When you are the Editor, add dated PDFs and cover notes so other Stakeholders see structured evidence.
Using Property Passport UK
Start from the address on [Property Search](/search). When you own or manage the home, [claim your Property Passport](/claim/start) and upload Documents with clear dates and sources. Browse more explainers in the [Property Guides library](/guides). This article is general information, not legal, tax, mortgage, or survey advice.
Essential Property Data guides
Related guides
What is flood map layering river versus surface water?
9 min readRiver flood zones versus surface water flooding in the UK: concepts buyers confuse
4 min readWhat is groundwater flood risk?
8 min readWhat is flood zone 2?
9 min readWhat is flood zone 3?
9 min readWhat is surface water flood risk?
9 min readSearch any property in England & Wales
EPC ratings, flood risk, sold prices, and planning data — free, instant, no login required.