Do I need an account to use these tools?

No — every tool listed here is free to use with no account required.

How accurate is the Flood Risk Checker?

It uses the same Environment Agency flood zone and surface water datasets shown on the main map, giving an accurate first read — though a full flood risk assessment may still be required for planning purposes on sensitive sites.

Accessibility

Reference

Interactive Tools

Free interactive tools for quick property checks — flood risk, planning permission and stamp duty — each on its own dedicated page.

Each tool below runs on its own dedicated page with a consistent layout. Pick a card to open the tool and run a quick check on any UK property or site.

Flood risk

Flood Risk Checker

Check the flood zone classification and surface water flood risk for any UK postcode or address in seconds — a fast first read before deciding whether a full flood risk assessment is needed.

Open tool

Planning

Planning Permission Checker

Get a quick read on whether a specific project — an extension, outbuilding or change of use — is likely to need full planning permission, or whether it may fall under permitted development rights.

Open tool

SDLT

Stamp Duty Calculator

Estimate Stamp Duty Land Tax on a residential or non-residential UK property purchase, including additional property and first-time buyer scenarios with current rates.

Open tool

Want the full picture in one place?

These tools answer one question at a time. For every applicable planning, heritage and environmental designation on a single site, open the full map.

Open the map viewer