Home permits in London, ON

For a deck in London, height above grade, attachment to the house, roof/cover, guards, stairs and structural work can change the permit path. The municipal source below is the authority for the local threshold and drawings.

For a shed or accessory structure in London, check size, plumbing, attachment, intended use, height and zoning setbacks. A small storage-shed exemption in one municipality should never be copied into another.

For a basement renovation in London, finishing-only work can be treated differently from structural changes, new plumbing, a new entrance, underpinning or creation of another dwelling unit.

Creating another dwelling unit in London should be treated as a separate permit question from an ordinary basement finish. Confirm zoning, building-permit and life-safety requirements before construction.

An addition changes the building footprint or floor area and normally needs a full municipal permit review. Check zoning, drawings, structural requirements and any site-specific approvals in London.

London says most renovation, construction and demolition projects require a building permit.

For structural work in London, removing or adding walls, changing openings, altering framing/foundations or changing load paths should be checked as building-permit work rather than cosmetic renovation.

For a pool or hot tub in London, check more than the pool itself: enclosure/fence, zoning, grading, setbacks and site-alteration approvals may have separate rules.

For a garage or carport in London, size, attachment, setbacks, plumbing and structural design can change both zoning and building-permit requirements.

For plumbing or HVAC work in London, building-permit and trade-permit responsibilities may be separate. Confirm who issues plumbing, drainage, heating, ventilation, gas and electrical approvals before work starts.