Post-Renovation Cleanup: What the Contractors Leave Behind

The contractors packed up. The new kitchen looks great. But there's a fine layer of dust on everything you own, and it's going to keep showing up for weeks if you don't deal with it now.

Here's the truth. Contractors don't clean properly. That's not their job, and most of them know it. They'll sweep the floor and call it done. The real cleanup is on you.

Where construction dust hides

The obvious spots are covered in it. Counters, floors, windowsills. But it's the hidden spots that cause problems for months.

Inside every cabinet and drawer: Open them. All of them. Kitchen, bathroom, closets. You'll find a layer of fine dust on every surface. If you're dealing with a new build condo, this step is identical. If you put your dishes back without wiping things down, you're eating off dusty shelves.

HVAC vents and filters: This is critical. Construction dust gets into your ductwork and your furnace filter. Every time the system kicks on, it blows that dust back into your rooms. Replace the filter immediately after the work is done. Remove the vent covers and clean inside as far as you can reach.

Behind switch plates and outlet covers: Dust gets behind them during drywall work and painting. Unscrew the covers, wipe behind them, and put them back. It takes a few minutes per room.

Inside closets: Even closets in rooms that weren't renovated. Dust travels. It gets through closed doors, through gaps in the ceiling, through the HVAC system. Check every closet in the house.

Window tracks: Dust packs into the tracks and hardens when it gets damp. Use a stiff brush to loosen it, then vacuum it out. Follow up with a damp cloth.

Under appliances: If your fridge or stove was in place during the renovation, pull it out and clean behind and underneath. Dust and debris collect there and stay there.

Why a regular clean won't cut it

Your normal weekly or biweekly cleaning routine is built to handle everyday dust and dirt. Post-renovation dust is different. It's finer, there's more of it, and it's in places your regular routine doesn't reach.

This is a full reset. Every surface, every crevice, every vent.

How long does it take

That depends on the scope of the renovation.

Kitchen renovation: Plan for a full day of cleaning. The kitchen itself takes hours, and the dust will have spread to adjacent rooms.

Bathroom renovation: Half a day for the bathroom and surrounding areas. Tile dust and grout residue need extra attention.

Full home renovation: Two days minimum. Every room needs to be cleaned top to bottom, including rooms that weren't part of the project.

When to do it

Wait until all the trades are finished. Not between phases. If you clean after the drywall crew leaves but before the painter comes, you'll be doing it all again.

Make sure the last worker has packed up, the last touch-up is done, and nobody else is coming back. Then clean.

A few extra tips

Work top to bottom: Start with ceiling fans and light fixtures, then walls, then surfaces, then floors. Dust falls, so clean the high spots first.

Use damp cloths, not dry: Dry dusting just pushes construction dust into the air. Damp microfibre cloths trap it.

Ventilate: Open windows while you clean. It helps clear airborne particles and speeds up drying.

Replace the HVAC filter again: Two weeks after the initial clean, change the filter one more time. Residual dust will still be circulating.

If your renovation is done and the dust is overwhelming, Portuguese Housekeeping Services handles post-renovation cleanups across Toronto and Mississauga. If this is your first time hiring a cleaner, we'll walk you through the process. It's one of the most common calls we get. Give us a call and we'll get your home back to normal.