London, Ontario

Garden Suite in London

Thinking about garden suite for your London home? Skip the phone tag. Describe the project in the form, attach photos, and get a price back โ€” usually the same day.

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

Garden Suite in London: what to expect

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

For garden suite specifically, the London housing stock is part of the picture: 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.

About London homes

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 โ€” 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.

What affects your London garden suite cost

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

  • Distance from the street and the main house โ€” longer service runs mean more work
  • Size and number of storeys within your municipality's height and footprint caps
  • The age of the home โ€” 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.
  • Foundation type for backyard soil conditions, from slab to full frost walls
  • Hydro capacity at the main house and whether the panel needs upgrading
  • Finish level โ€” a family suite and an income unit are often specified differently

For the full breakdown of what garden suite involves, see our Garden Suite guide โ€” then request a free London quote for your actual job.

Common questions

Do you actually take projects in my part of London?
Requests come in from right across London, not just the busiest neighbourhoods. Put your postal code in the quote form and we'll confirm coverage right away.
How fast can I get a quote in London?
Most London requests get a response the same day. The more detail you give โ€” measurements, photos, what you want to change โ€” the more accurate the first quote is.
Will I need a permit in London?
It depends on the scope โ€” cosmetic updates usually don't, while structural changes, additions and new plumbing or wiring runs typically do. London's building department has the local rules, and the permit path is part of any quote we give, not a surprise partway through.
What is the difference between a garden suite and a laneway house?
Access. A laneway house sits on a lot that abuts a public lane and typically fronts onto it; a garden suite sits in the backyard of a regular lot with no lane, reached by a path beside the house. The building itself is similar โ€” a detached, self-contained home โ€” but bylaws, setbacks, and emergency-access rules differ, so your lot's geography picks the category for you.
Does Ontario really allow garden suites everywhere?
Broadly, yes: provincial rules permit up to three units on most serviced residential lots โ€” the main house, a unit within it, and a detached unit like a garden suite โ€” without rezoning. Municipal bylaws still control size, height, setbacks, and tree protection, and site realities like servicing and access decide practical feasibility. The right question is what your specific lot supports.

Get your London quote

Tell us what you're planning โ€” one room or the whole home โ€” and get a free quote.