1. Write a room-by-room scope
List every room and surface included in the project. For each one, record what stays, what is removed, known repairs, layout changes and the finish you expect. Separate required work from optional upgrades so estimates can be compared on the same basis instead of by total price alone.
2. Check permit requirements before scheduling work
The City of Toronto explains that permits are required for new buildings, additions and material alterations, while some work may not require a building permit. The examples are not exhaustive. Check the City's When Do I Need a Building Permit? guidance for the actual scope, and confirm responsibility for applications and inspections in writing.
3. Treat electrical notification as a separate check
A building permit is not the same as an electrical notification. The Electrical Safety Authority says hired residential electrical work must be completed by a Licensed Electrical Contractor. Confirm who will perform the work, file the required notification and provide the ESA Certificate of Acceptance when applicable.
4. Put the agreement and changes in writing
Ontario's consumer guidance says home-renovation contracts over $50 must be in writing. A useful contract identifies the work, materials, payment schedule, dates, subcontractors, cleanup and applicable warranties. If an estimate is included in the contract, the provincial guidance also explains the 10 percent limit unless new work and a new price are agreed to in a signed change.
5. Verify the business and applicable credentials
Match the legal business name, contact details and insurance information to the written agreement. Ask which municipal, trade or safety credentials apply to the scope and verify them with the issuing body. Toronto publishes building renovator requirements, while electrical and fuels work have separate ESA and TSSA verification paths.
6. Confirm condo or building rules
For condominium and multi-unit properties, ask management about renovation hours, elevator bookings, material delivery, waste removal, protection of common areas, plumbing shutoffs and documents required from contractors. Building approval does not replace permits or regulated-trade requirements, but it can affect access and scheduling.
7. Prepare photos that show context
Take wide photos of every wall, floor and ceiling, then close-ups of damage or fixtures. Include entrances, stairs, parking or loading access, the electrical panel, mechanical equipment, plumbing locations and transitions to adjoining rooms. Add approximate dimensions and a short walkthrough video when possible.
8. Compare estimates by included work
Check whether demolition, disposal, preparation, protection, fixtures, finish materials, regulated trades, permits, inspections, cleanup and tax are included or excluded. Note allowances and owner-supplied items. A lower total is not directly comparable if important preparation or finishing steps are missing.
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