The Pre-Construction Checklist: 47 Things to Do Before Breaking Ground
The difference between a renovation that stays on budget and one that spirals out of control is almost always decided before the first hammer swings. The pre-construction phase — those 4-8 weeks between signing a contract and starting demolition — is where smart homeowners save thousands of dollars and avoid weeks of delays.
This is the definitive pre-construction checklist: 47 items organized into five phases. Complete them in order and you will start your renovation with confidence.
Phase 1: Planning (Items 1-12)
Budget and Scope
1. Set your total budget including a 15% contingency
Your budget is not your maximum spend — it is your target. Add 15% on top for surprises. On a $60,000 project, that means budgeting $69,000 total. If you do not use the contingency, great. If you do, you are prepared.
2. Get an independent cost estimate before accepting quotes
Use the RenoNext Price Check at /price-check or our cost guides at /costs to understand fair market pricing for your project type and location. This prevents you from overpaying or being suspicious of a perfectly fair quote.
3. Decide what is non-negotiable vs. nice-to-have
Write two lists. The "must have" list is your base scope. The "nice to have" list is what you add if the budget allows. This prevents scope creep during construction.
4. Research financing options
Cash, HELOC, construction loan, or renovation mortgage — each has different implications for cash flow and interest costs. Secure financing before signing contracts.
5. Investigate rebate eligibility
Book your EnerGuide pre-retrofit evaluation now if your project involves energy improvements. Federal and provincial rebates can save $5,000-$30,000, but most require pre-approval. See our guide on stacking rebates at /blog/stack-rebates-ontario-homeowners-save-30k.
Design and Specifications
6. Finalize all design decisions before construction starts
Every decision made during construction costs more than the same decision made during planning. Choose your tile, cabinets, countertops, fixtures, paint colours, and flooring before day one.
7. Create a detailed scope of work document
This is the single most important document in your renovation. It describes every task in specific, measurable terms. "Install 120 sq ft of 3/4-inch red oak hardwood in living room with satin polyurethane finish" — not "new flooring."
8. Get architectural drawings if required
Any structural change, addition, or layout modification needs drawings. Hire an architect or architectural technologist. Budget $3,000-$8,000 for residential drawings.
9. Confirm material selections are available and in stock
Nothing derails a timeline like discovering your chosen tile is discontinued or your countertop has a 12-week lead time. Confirm availability and order long-lead items now.
10. Photograph the existing space thoroughly
Take photos and video of every wall, ceiling, floor, and fixture before demolition. This protects you in disputes and helps with insurance claims if anything goes wrong.
Quotes and Trade Selection
11. Get minimum 3 quotes for each major trade
Three quotes give you a realistic price range. If two quotes are $5,000 and one is $2,000, the low one is likely cutting corners or missing scope.
12. Check references and recent work for every trade
Call at least two references per trade. Ask specifically: was the project completed on time, on budget, and was the quality acceptable? Visit a recent project site if possible.
Phase 2: Legal and Financial (Items 13-24)
Contracts
13. Sign written contracts with every trade
No handshake deals. Every trade needs a written contract. Use our Contract Generator at /contracts to create CPA-compliant contracts.
14. Confirm the 10% statutory holdback is in every contract
The Construction Act requires you to hold back 10% of each payment for 60 days after substantial completion. This is not optional — it is the law.
15. Include a detailed change order process
Your contract should specify that all changes must be in writing, with price and timeline impact agreed before work proceeds. Verbal change orders are the number one source of budget overruns.
16. Specify start date, completion date, and delay penalties
Your contract should include specific dates and consequences for delays that are within the contractor's control.
17. Include warranty terms
Minimum 1-year warranty on workmanship. Many trades offer 2-5 years. Get it in writing.
Insurance and Compliance
18. Verify WSIB clearance for every contractor and sub
Check at wsib.ca. As of 2026, all construction workers must have WSIB coverage. You are personally liable if you hire someone without it.
19. Verify liability insurance ($2M minimum)
Ask for a Certificate of Insurance naming you as additionally insured. Call the insurance company to confirm it is active.
20. Verify trade licences
Electricians need ESA licences. Gas fitters need TSSA certification. Plumbers need trade licences in many municipalities. Verify before work starts.
21. Confirm your homeowner's insurance covers renovation
Call your insurance company and inform them about the renovation. Some policies require notification, and some exclude coverage during major construction.
22. Set up a separate holdback account
Open a dedicated savings account for holdback funds. This keeps the money clearly separated and earns interest during the 60-day holding period.
Permits
23. Apply for all required permits
Building, plumbing, electrical, HVAC, and demolition permits as applicable. Your contractor should pull permits, but verify they actually do — ask for permit numbers.
24. Confirm permit approval before any work begins
Starting work without an approved permit is illegal and can result in stop-work orders, fines, and mandatory demolition of unpermitted work.
Phase 3: Site Preparation (Items 25-35)
Utilities and Services
25. Call Ontario One Call (1-800-400-2255) for utility locates
Required by law before any excavation. Free service. Call at least 5 business days before digging. They mark the location of underground gas, water, electrical, and communication lines.
26. Arrange temporary electrical service if needed
If the renovation disconnects your main panel, you may need temporary power. Discuss with your electrician and hydro provider.
27. Arrange temporary water shutoff if needed
For plumbing work, coordinate water shutoffs with your plumber. Know where your main shutoff valve is.
28. Protect or relocate gas meters and electrical panels
If work happens near your gas meter or electrical panel, arrange protection or temporary relocation with your utility providers.
Neighbour Relations
29. Notify adjacent neighbours in writing
A brief letter or email explaining the scope, timeline, and expected disruptions (noise, parking, dust) goes a long way. Include your phone number for concerns.
30. Check party wall agreements if applicable
For semi-detached or townhouse renovations, your party wall agreement may restrict certain work or require neighbour consent.
31. Understand municipal noise bylaws
Most Ontario municipalities restrict construction noise to 7 AM - 7 PM weekdays and 9 AM - 5 PM Saturdays. No construction on Sundays and holidays. Inform your contractor.
Physical Preparation
32. Clear the work area completely
Remove all furniture, personal items, and fixtures from the renovation zone. The more you clear, the faster demolition goes.
33. Set up dust barriers between living space and work zone
Plastic sheeting and zipper doors are minimum. For occupied renovations, consider temporary walls with negative air pressure.
34. Arrange skip bin or waste removal
Book a bin for the project duration. A 20-yard bin handles most single-room renovations. Full-house renovations may need 30-40 yard bins or multiple pickups.
35. Create a materials staging area
Designate where materials will be stored on site. This needs to be accessible to delivery trucks and protected from weather. Clear garage space or set up a covered area.
Phase 4: Trade Coordination (Items 36-42)
36. Create the construction sequence
Map out the order of trades: demo, structural, rough-in, inspections, insulation, drywall, finishes, fixtures, final inspection. Share with every trade.
37. Confirm material lead times and order dates
Critical lead times to know:
Order anything over 4 weeks lead time now.
38. Book inspections in advance
Municipal inspection departments are often backlogged. Book your framing, rough-in, insulation, and final inspections as early as possible. Ask about typical wait times.
39. Confirm start dates with every trade
Call each trade 1 week before their scheduled start to reconfirm. Trades juggle multiple projects — verbal confirmations prevent no-shows.
40. Establish the communication plan
Decide how you will communicate with your trades: phone, email, text, or a project management app. Set expectations for response times and daily/weekly updates.
41. Designate a single point of contact
If you are self-managing, you are the point of contact. Make sure every trade knows to call you — not each other — when issues arise.
42. Agree on working hours and site access
Confirm what time trades can start, when they must leave, and how they access the site (key, lockbox, someone home). Discuss parking arrangements.
Phase 5: Personal Preparation (Items 43-47)
43. Arrange alternative living space if needed
Full kitchen renovations mean no cooking for 4-8 weeks. Bathroom renovations mean no shower. Plan accordingly — whether that means a microwave station, a gym membership for showers, or temporarily staying elsewhere.
44. Plan for pets and children
Construction sites are dangerous for pets and children. Arrange daycare, pet sitting, or secure containment away from the work zone.
45. Secure valuables and irreplaceable items
Move jewellery, important documents, electronics, and sentimental items out of the work zone. Construction vibrations and dust reach further than you expect.
46. Set up a temporary kitchen if renovating the kitchen
A folding table, microwave, electric kettle, mini-fridge, and paper plates. Set it up in a room far from the work zone. Budget $200-$500 for temporary kitchen supplies.
47. Prepare mentally for disruption
Renovations are stressful even when they go perfectly. Expect noise from 7 AM, dust everywhere, decisions demanded daily, and a timeline that may shift. The more you prepare, the less these disruptions will derail you.
