How often should you wash your house in Sydney?
A simple guide for each part of a Sydney home
Last updated October 2026 · Home Shine
Dirt, mould and algae build up on every house, but how fast depends on shade, trees, nearby roads and the surfaces on your home. Here's a simple guide to how often each part of a Sydney home should be cleaned.
- Most homes need a house soft wash every 18 months to 2 years.
- Shaded walls, homes under trees and homes on busy roads may need it every year.
- Windows look best cleaned every 3 to 6 months.
- Roofs, driveways and paths usually need cleaning every 2 to 3 years.
How often should each part of the house be cleaned?
| Area | How often | Clean sooner if… |
|---|---|---|
| Walls and eaves | Every 18 months to 2 years | Green or black streaks appear, or the house is shaded |
| Windows | Every 3 to 6 months | You're near a busy road or construction |
| Roof | Every 2 to 3 years | Moss or lichen is visible |
| Driveways, paths and pavers | Every 1 to 2 years | They turn dark or slippery |
| Timber fences and decks | Every 1 to 2 years | Before re-oiling or staining |
What are the signs your house needs washing?
Green or black streaks on walls, dark patches under eaves, mould on south-facing walls, slippery paths, and windows that stay grimy after rain.
When is the best time to wash?
Before you paint, before you sell, and before summer if you entertain outside. Washing before painting gives the new paint a clean surface to stick to.
Frequently asked questions
Does washing make paint last longer?
Yes. Removing dirt and mould before it builds up helps protect the paint.
Do I need to be home?
No, as long as we can get to the outside of the house and a tap.
Is it safe for my garden?
Yes. We use biodegradable products and rinse your garden beds before and after we wash.
