How often should Canterbury homes get their windows cleaned?

Published 12 August 2026 · All Clear Window Cleaning, Kaiapoi

It is the question every homeowner asks sooner or later: how often do my windows actually need a professional clean? The honest answer is that it depends on where you live, what surrounds your place, and how much you notice the glass. But after cleaning windows all over Canterbury, here is the practical rundown we give our own customers.

The short answer: twice a year

For most Canterbury homes, a professional clean every six months keeps glass in great shape. A spring clean clears the winter build-up — rain spots, condensation residue and the general grey film that settles over the colder months. An autumn clean then heads into winter with bright glass that makes the most of the low Canterbury sun.

When you might need it more often

Some situations call for quarterly or even more frequent cleans. Homes on main roads or near building sites cop a constant layer of dust. Properties near the coast deal with salt spray, which etches glass if left too long. And if you have flowering trees hard against the house, spring pollen can glue itself to damp panes within weeks.

• Near the sea or estuary: every 3–4 months to stop salt damage.
• On a busy road or near construction: quarterly keeps dust under control.
• Sheltered inland home: twice a year is usually plenty.
• Before selling or renting: always book a one-off — clean windows photograph brilliantly.

Signs your windows are overdue

Run a finger along the glass. If it squeaks on grit rather than gliding, the pane is carrying abrasive dirt that can scratch over time. White mineral spots that do not shift with a wipe, green algae creeping along sills, and fly spots baked on by summer sun are all signs a professional clean is due.

Why not just wait until they look bad?

Glass is tougher than it looks, but grit, salt and minerals slowly damage it. Regular cleaning is maintenance, not vanity — it protects seals, frames and the glass itself, and it keeps rooms noticeably brighter through winter. A scheduled clean twice a year costs less in the long run than rescuing neglected windows.

If you are in Kaiapoi, Christchurch or anywhere in Canterbury and your glass is due, give All Clear a call on 027 535 3564 for a free quote. Monday to Saturday, 9am to 5pm.