Greater London • EC1 postcode area

    Clerkenwell and Old Street (EC1) site snapshot

    A planning-aware snapshot of the EC1 postcode area in London. Use it to frame address-specific questions; conditions and authority boundaries can vary within the area.

    Use this overview to plan your research. Verify current requirements and site-specific conditions against the relevant primary sources. Read our data sources, coverage and limits guide.

    Character

    Tech and creative cluster, Victorian warehouse conversions, growing residential.

    Flood risk

    Mostly low risk, surface water risk in pockets near Fleet ditch line.

    Heritage

    Clerkenwell, Charterhouse, and Whitecross Street conservation areas.

    Transport

    Old Street, Farringdon (Elizabeth line), Barbican. PTAL 6b.

    Market context

    Office to residential conversions common, premium new-build market.

    Planning authority

    This area guide references London Borough of Islington. Confirm the responsible authority for the exact site address. Net zero carbon mandatory for major developments. No new gas connections policy.

    Questions

    What is the flood risk in EC1?

    Mostly low risk, surface water risk in pockets near Fleet ditch line.

    Which planning authority covers EC1?

    This guide references London Borough of Islington. Confirm the authority using the exact site address; a postcode area is not an authority boundary.

    Check a site in EC1

    Check available flood information for the site address and inspect the source coverage before drawing a conclusion.

    Check flood risk

    Review current plans and usage and source coverage for your project.

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