Should You Clean Windows Before or After Painting Your House? A Melbourne Homeowner’s Guide

You’ve picked the colours, booked the painters, and now someone asks, “When should the windows be cleaned?” It’s a fair question, and getting the answer wrong is one of the most common renovation mistakes we see across Melbourne.

Clean your windows after painting, not before. A light dust-off and protection beforehand is fine, but the full clean belongs at the end, once the painters and other trades have left.

Painting stirs up dust, throws off tiny overspray droplets and leaves fingerprints, drips and masking-tape residue on glass. If you polish the windows first, you’ll probably clean them twice.

This guide covers the right order of work, how long to wait after painting, the mistakes that cost Melbourne homeowners time and money, and how to keep your painter and window cleaner from getting in each other’s way.

The Quick Answer: Before or After?

Window cleaning after painting means removing paint dust, splatters and residue from glass and frames once the paint has dried, so the finished home looks sharp.

Why the Order Matters

Painting is a messy, dusty process, even with a tidy crew. Here’s what happens to clean glass during a paint job:

• Sanding dust settles on glass and frames.

• Fine spray mist from airless sprayers lands on windows, even when masked.

• Tape adhesive can leave sticky lines on glass.

• Ladders and hands leave smudges and fingerprints.

• Wet paint contact: a wet cloth or squeegee on fresh paint can smear or lift it.

If you clean first, all of that lands on freshly polished glass. You then pay for a second clean, or you live with streaky windows that undercut the whole paint job.

Step-by-Step: The Ideal Renovation Sequence

If you’re running a larger project, this is the order most experienced Melbourne builders and contractors follow:

1. Heavy work first: demolition, carpentry, plastering, roofing and gutters.

2. Exterior pressure washing and prep, which lets walls and eaves dry before painting.

3. Light window and frame prep: dust removal, cobweb clearing and sill scrubbing.

4. Masking and protecting glass, floors and gardens.

5. Painting: exterior first, then interior (or the reverse, depending on your painter).

6. Curing time: wait until the paint is fully touch-dry, and longer for frames.

7. Final window clean: inside and out, including tracks, frames and flyscreens.

8. Final walkthrough to check for missed spots and touch-ups.

If flooring, electrical work or carpet installation is also planned, the window clean usually goes last or second to last, because those trades also shed dust.

Should You Clean Windows Before Painting at All?

Yes, but only lightly. A “prep clean” helps in three ways.

• Better paint adhesion. Paint sticks poorly to dirt, mould, chalky residue and cobwebs on frames. Your painter will normally handle this as part of surface preparation.

• Easier masking. Tape sticks better to clean, dry surfaces and is less likely to peel paint when removed.

• Fewer surprises. Cleaning first shows up cracked putty, rotting timber and failing seals before they’re covered in fresh paint.

What to skip: a full polish of the glass. That’s wasted effort if you’re painting within days.

How Long After Painting Should You Wait to Clean Windows?

It depends on the paint and the weather, but here are general guidelines for water-based acrylic paints (always check the manufacturer’s label):

• Touch-dry: roughly 1 hour

• Ready for a second coat: roughly 2 to 4 hours

• Cured (fully hardened): up to a few weeks

Practical timing for window cleaning:

• Glass only: typically fine after 24 to 48 hours, as long as the cleaner avoids contact with fresh paint.

• Frames, sills and painted edges: wait until the paint is dry and firm. Many professionals prefer several days to a couple of weeks before wet-cleaning painted trim.

Melbourne’s changeable weather matters here. Cool, damp days slow drying, while hot northerly days speed it up. Ask your painter for a realistic “safe to clean” date rather than guessing.

Common Renovation Mistakes to Avoid

These are the errors we see most often on local jobs:

1. Cleaning windows before the painters arrive

This is the classic mistake. It costs you a full clean that gets undone.

2. Booking the window cleaner for the same day as the painters

Wet paint plus a wet squeegee can mean smears, drips and damaged trim.

3. Using harsh cleaners on fresh paint

Ammonia-based or abrasive products can dull or damage paint that hasn’t cured.

4. Scraping glass with the wrong tool

Dry-scraping paint off glass with a blunt or dirty blade can scratch it, and glass scratches are permanent. Use a sharp, fresh razor blade with plenty of lubricant, or leave it to a professional.

5. Forgetting the tracks and frames

Painting dust lodges in sliding-door tracks and window channels. A cleaner who only does the glass leaves the job half finished.

6. Ignoring flyscreens

Screens catch paint dust and airborne particles. Cleaning them at the same time saves a return visit.

7. Skipping the walkthrough

Check the windows in daylight from both inside and outside before you sign off and make final payments.

Coordinating Contractors: Painter, Window Cleaner and Everyone Else

Most window cleaning problems are really scheduling problems. A little coordination prevents nearly all of them.

Tips for smooth contractor scheduling:

• Give everyone the same timeline. Share the painter’s finish date with your window cleaner.

• Build in a buffer. Weather delays are common in Melbourne, so leave a gap of a few days between the painter finishing and the cleaner arriving.

• Book the cleaner as the last trade. The final clean should follow all dust-making work.

• Ask the painter about overspray. Ask which windows were masked and where paint may have landed.

• Agree who removes paint from glass. Some painters include this, others don’t. Get it in writing.

• Confirm access. Tell your cleaner about ladders, scaffolding, locked gates and second-storey or high windows.

If you’re using a builder, ask them to add the final window clean to the project schedule so it doesn’t get forgotten in the handover rush.

Melbourne-Specific Factors to Keep in Mind

Melbourne homes come with their own quirks.

Heritage and Victorian-era homes

In suburbs like Fitzroy, Carlton, Brunswick, Hawthorn and Williamstown, original timber sash windows, leadlights and multi-pane frames are common. These are delicate and time-consuming to clean, and they have many painted edges where a cleaner can accidentally damage fresh paint. Give them extra curing time.

Lead paint in older homes

If your home was built before the 1970s, the old paint layers may contain lead. Sanding or scraping can spread lead dust, so follow safe-work guidance and consider professional help. The Australian Government’s Lead Alert guide to painting your home explains how to prepare, work and clean up safely, and it’s worth reading before any sanding begins.

Salt air and coastal grime

Homes in Brighton, St Kilda, Mordialloc and Williamstown deal with salt spray that leaves a film on glass. It’s worth washing salt off frames before painting for better adhesion, and the final clean will need more attention.

“Four seasons in one day”

Rain, wind and sudden heat all affect drying. Wind can also blow dust onto wet paint and freshly cleaned glass. Plan for a dry, calm day for the final clean where possible.

Water-conscious cleaning

Melbourne has ongoing water-saving habits, and many local cleaners use pure-water systems that clean glass with minimal wastage and no detergent residue. It’s a good fit for post-paint jobs.

Council and building rules

If you’re doing structural changes alongside painting, check requirements with your local council and the Victorian Building Authority for permits and registered practitioners.

How to Safely Remove Paint from Windows

If paint has landed on the glass, don’t panic. Most of it is fixable.

For wet paint:

1. Wipe immediately with a damp cloth (water-based paint).

2. Don’t rub, since that spreads it.

For dried paint:

1. Spray the area with soapy water or glass-safe lubricant.

2. Hold a fresh, sharp razor blade at a shallow angle and scrape gently in one direction.

3. Wipe with a microfibre cloth and clean the glass as normal.

Never scrape:

• Tinted or coated glass

• Low-E or specialty double-glazed units

• Laminated or decorative glass

For any of these, or for large areas, call a professional. A scratch costs far more than a service call.

Homeowner Checklist: Your Post-Paint Window Plan

• Confirm the paint finish date with your painter.

• Ask for a “safe to clean” date for frames.

• Book your window cleaner for after that date, with a small buffer.

• Remove any tape, plastic and masking.

• Ask the cleaner to include frames, sills, tracks and screens.

• Walk through the house in daylight and check all windows.

Frequently Asked Questions

Should I clean my windows before or after painting my house?

Clean your windows after painting. Do only a light dust-off beforehand. Painting creates dust, overspray and smudges, so a final clean once all painting is finished gives the best, longest-lasting result and saves you paying for two full cleans.

How long after painting can I clean my windows?

Glass can usually be cleaned within 24 to 48 hours if the cleaner avoids fresh paint. Painted frames and sills need longer, often several days to a couple of weeks. Ask your painter for a safe date based on the paint type.

How do I get paint off windows without scratching the glass?

Soften the paint with soapy water, then use a sharp, fresh razor blade at a shallow angle with light pressure. Never scrape dry glass, and avoid tinted or coated windows. If you’re unsure, a professional window cleaner can do it safely.

Can painters clean windows after painting?

Some painters wipe down overspray and drips as part of the job, but few provide a full window clean. Always confirm this in your quote. A professional window cleaner gives a streak-free finish and cleans frames, tracks and flyscreens.

Is it worth hiring a professional window cleaner after a paint job?

Yes. Professionals have the right tools to remove residue, dust and paint specks without damaging glass or fresh paint. They also reach high windows safely and finish faster, which makes the newly painted house look sharper.

What order should I clean the house after a renovation?

Work top to bottom and dirtiest to cleanest: builders’ rubbish first, then floors and surfaces, then windows and frames, then a final detail clean. Windows come near the end because they show every trace of dust and fingerprints.

Conclusion: Paint First, Polish Last

Clean your windows after painting, and treat everything before that as protection and preparation. A light prep clean helps the paint stick, but the real, sparkling finish belongs at the end of the job.

Key takeaways:

• Do a light prep clean, then a full clean after painting.

• Wait until paint is dry (glass 24 to 48 hours, frames longer).

• Never let cleaning overlap with wet paint.

• Book the window cleaner as the last trade, with a buffer.

• Take extra care in older Melbourne homes with lead paint or delicate timber sashes.

Ready for a spotless finish after your paint job? Mr Window Cleaning provides professional window cleaning across Melbourne, including post-painting and post-renovation cleans. Contact us today for a free, no-obligation quote and let us make your fresh paint job shine.