Hand-painted watercolour concept of a finished basement renovations project by C&P Construction, Guelph

Basement Renovations in Guelph

Finished basements, legal apartments, and underpinning

Turn an unfinished or dated basement into livable space, a rental unit, or the room your home has been missing.

We finish, refinish, and reconfigure basements across Guelph and the surrounding area, from a simple finished rec room to a full rental unit. That means the whole build: floor plan and 3D render, framing, plumbing, electrical, drywall, tiling, and all the finishing and fine carpentry that ties it together.

If you are adding a rental unit, we plan it around the space you have and pull the permits once your estimate is signed and the deposit is paid. You see a render of the finished basement before demo starts, so there are no surprises later.

When a basement is too low to be livable, we take on underpinning and bench footings to add the headroom first, then build on top of it. For a legal basement apartment or secondary suite in Guelph, we plan the layout to meet code, from egress windows to a separate entrance, so the unit passes inspection and rents with confidence.

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