Basement Apartment in London

Whether your London project is a modest refresh or the full version of basement apartment, the process is simple: describe it, add photos, get a free quote.

Read on for the London-specific considerations and the real cost drivers — then the quote form takes about a minute when you're ready.

Southwestern Ontario around London carries a lot of older housing, and renovations here routinely open walls onto the past — dated wiring, plaster, and framing that predates modern spans — so good quotes carry honest contingency.

For basement apartment specifically, the London housing stock is part of the picture: London's signature yellow-brick century homes often carry original plaster, dated wiring, and old galvanized plumbing that should be priced into any major renovation.

London's housing runs from yellow-brick Victorians in Old North and Wortley Village to the ranches and sidesplits that filled Oakridge, Westmount, and the east end after the war. That mix means renovation work here is rarely cookie-cutter: heritage-minded kitchen and bath updates in century homes, full main-floor reconfigurations in post-war bungalows, and basement conversions near Western and Fanshawe aimed at student and rental income.

A lot of London projects start with good bones and dated layouts — closed-off kitchens, a single bathroom serving three bedrooms, unfinished basements with decent ceiling height. If you own one of them and have been sketching a better floor plan for years, tell us what you have in mind and we'll line up a free quote from renovation contractors who work in London every week.

• Parts of Old North, Wortley Village, and Woodfield fall within heritage conservation districts, so exterior changes there can need approvals beyond a standard building permit.
• London's signature yellow-brick century homes often carry original plaster, dated wiring, and old galvanized plumbing that should be priced into any major renovation.
• Post-war subdivisions across the east and south ends are full of bungalows well suited to open-plan conversions and basement apartments.

Rather than a made-up number, here's an honest look at what drives the cost of basement apartment in London:

• Existing ceiling height — the Code allows reduced minimums for suites in existing houses, but a low basement can still sink the project or force underpinning
• The age of the home — much of London's housing has been standing a long while, and what's found once walls open (wiring, plumbing, framing) is the honest wildcard in older-home renovations.
• How much foundation cutting is needed for a separate entrance and compliant egress windows
• Fire separation scope, which depends on the existing ceiling assembly and any shared ductwork
• Electrical service capacity and whether a second panel or upgraded service is added
• Municipal requirements that vary by city — parking, registration fees and zoning checks
• Finish level, since a rental unit can be durable and simple or built to owner-occupied standards

For the full breakdown of what basement apartment involves, see our Basement Apartment guide — then request a free London quote for your actual job.