Bolthole Index

Madison County, Ohio

Zoning, building permits and septic rules in London, Ohio

London is a city in Madison County, Ohio. London adopts its own zoning, so inside its limits London’s rules apply, not the county’s. 5 rules below are quoted from official sources and independently re-checked, most recently on October 23, 2026. Rules for unincorporated land are on the Madison County page.

Answers from the rulebook for London

London’s own rules

  • Building code adoptedAdopted (with conditions)

    Buildings inside London city limits, Ohio.

    • The code chapter identifies a future-editions provision; current applicable edition was not resolved in the available text.
    “1420.01 2007 edition adopted; future edition.”
  • InspectionsRequired

    Permitted building work inside London city limits, Ohio.

    • The permit cross-reference expressly includes inspections; specific inspection stages were not resolved.
    “Building permits required; issuance, posting and inspections”
  • Local zoningPresent (with conditions)

    Land inside London city limits, Ohio.

    • Land use is subject to the city's established zoning districts.
    “The following zoning districts are hereby established for the City:”
  • Zoning districtsPublished (with conditions)

    Zoning districts inside London city limits, Ohio.

    • The code states that establishment of a district does not require its actual location on the Official Zoning Map.
    “The following zoning districts are hereby established for the City:”
  • Permit processPartial

    Building permits inside London city limits, Ohio.

    • The available code text identifies issuance, posting, and inspections, but did not provide the full application procedure.
    “Building permits required; issuance, posting and inspections”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask London or Madison County directly.

  • Owner-builder exemption — Owner-built construction inside London city limits, Ohio.
  • Certificate of occupancy — Building occupancy inside London city limits, Ohio.
  • Minimum dwelling size — Residential dwellings inside London city limits, Ohio.
  • Minimum lot size — Residential lots inside London city limits, Ohio.
  • Setbacks — Residential structures inside London city limits, Ohio.
17 more unanswered
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Unanswered questions are usually a sign that London publishes no rule on the point, not that none exists. Madison County’s page lists the county offices to call.

Off-grid gear

Going off-grid in London means bringing your own water and power. The kit we’d start with:

These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.

← All of Madison County: county rules, score and offices