On this page 3
§ 02
When a permit is required
Permit triggers and exempt work for London
A building permit is required for construction, enlargement, alteration, repair, or removal of a building or structure under the Ohio Building Code (OBC), administered by the Ohio Board of Building Standards. Permits are required statewide; contact the local building department or county for exemption thresholds and submission requirements.
§ 03
Frequently asked
Common questions about London permits
01 Do I need a building permit in London, OH? ▸
A building permit is required for construction, enlargement, alteration, repair, or removal of a building or structure under the Ohio Building Code (OBC), administered by the Ohio Board of Building Standards. Permits are required statewide; contact the local building department or county for exemption thresholds and submission requirements.
last verified April 2026
entry id permits/ohio/madison/london
Educational reference. Permit rules and fees change — confirm current requirements directly with City of London Building and Zoning before applying. Jaspector is not legal advice.