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Spa-inspired bathroom renovation — North Pole Constructions

Bathroom Renovation / London

Bathroom Renovation in London

Bathroom renovations in London, straightforward in Masonville and Sunningdale, considerably more involved in the century houses of Old North.

Bathrooms are interior work, so London's heritage alteration permit process, which applies to exterior alterations in conservation districts and on designated properties, rarely touches them. The exception is a new or enlarged window, which is exterior work on an Old North or Wortley house and does need consent.

What drives cost is the age of the plumbing. Century houses were plumbed to standards that have moved on, so once a wall is open the rebuild has to meet current code, and that correction is the honest reason an Old North bathroom prices above a Sunningdale one at the same size.

More on bathroom renovation, or see everything we build in London.

Bathroom renovations in London

A bathroom in London is one of the cleaner projects to run, because the city's heritage framework is concerned with the outside of buildings and a bathroom lives entirely inside one.

That framework matters in Old North, Wortley Village and the Woodfield areas, where a heritage alteration permit is required for exterior alterations on properties in a conservation district or designated individually. For a bathroom the only realistic trigger is a new or enlarged window, and where that is part of the plan it is worth establishing early because it runs on a different timetable than a counter approval. Everything behind the wall proceeds under the building permit alone.

What is behind the wall is the actual variable. The century houses in Old North have been plumbed and re-plumbed across a hundred years, and opening one up tends to reveal a layered history: a drum trap still in place, a stack that is undersized by current standards, a vent terminating somewhere it should not, copper spliced into something older. All of it worked. None of it can be rebuilt as found, because what gets replaced has to meet today's code. That correction is the honest reason a century-house bathroom costs more than the same square footage in a newer part of the city, and pricing it as though the rough-in will be reusable is how a project acquires a change order in week two.

At the other end, Masonville and Sunningdale bathrooms are specification exercises. The rough-in is modern, so the budget goes into what is visible: a curbless base, a larger glass panel, heated floor, a freestanding tub. A curbless shower is a question of joist direction and depth rather than of ambition, and it gets confirmed before it appears in a drawing.

Ventilation is worth attention in the older houses. A fan sized for the room and ducted outside, not into an attic, is what keeps moisture out of a wall assembly with very little vapour control in it.

The permit line is the same across the city: a fixture moved to a new position changes the drain and vent layout and needs a permit under By-law B-7.

We also handle the kitchen renovations and basement work that go alongside, and cover the rest of our London service area.

East along the 401 the older housing sits in a different municipal process, covered on bathroom renovations in Cambridge. Further east the tri-city stock runs postwar on average, dealt with on bathroom renovation cost in Kitchener.

What bathroom renovation costs

London prices below the GTA for the same scope. Rough-in corrections in a century house are quoted separately from the finish.

Bathroom Renovation price ranges across our service area
ItemRange
Powder room refresh$10,000-$18,000 per room
Standard full bathroom$17,000-$26,000 per room
Full gut renovation$25,000-$50,000 per room
Custom luxury ensuite$55,000-$85,000+ per room

Ranges cover our whole service area, not London alone. Site conditions, access and finish move the number, so treat this as a starting band and not a quote.

What clients say.

Our ensuite feels like a spa now. The curbless shower and heated floor are everything we wanted, and the tile work is flawless. Tidy crew, on schedule.
Sandra L. / Hamilton

Bathroom Renovation in London, answered.

Does a bathroom need a heritage permit in Old North?

Interior work generally does not. A new or enlarged window is exterior work and does need a heritage alteration permit on a property in a conservation district or designated individually.

What is behind the wall in a century London house?

Frequently undersized stacks, drum traps and vents that no longer meet code, sometimes layered over previous renovations. It has to be rebuilt to current standard.

Do I need a building permit?

Relocating a fixture changes the drain and vent layout and needs one under By-law B-7. Replacing a fixture in place generally does not.

Is a curbless shower realistic in an old house?

It depends on joist direction and depth. The base has to be recessed or the drain moved, and we confirm feasibility before it goes into a drawing.

Are ensuites in Sunningdale simpler?

Considerably. Modern rough-in means the budget goes to finish rather than to correcting what is behind the wall.

How long does a bathroom take?

Three to five weeks for a standard full bathroom, six to ten for a custom ensuite once stone and glass lead times are counted.

Keep exploring

Looking for bathroom renovation beyond London? Compare our bathroom renovation across Ontario, see everything we build in London, or add Basement Renovation in London.