Melbourne is a tough city for clean glass. The mix of bayside salt air, mature street trees, hard water supply and a climate that swings from dust to downpour means every Melbourne home builds up a layer of grime far faster than most homeowners realise. Across Melbourne's inner south-east, conditions vary enough that a Melbourne window cleaner needs to read each property before deciding on the right approach.

Across Melbourne's bayside suburbs — Brighton, Hampton, Sandringham, Black Rock and Beaumaris — proximity to Port Phillip Bay is the dominant factor. Salt-laden sea breezes carry fine mineral particles that settle on glass and bond as a hazy film. In Justin's experience, foreshore properties pick up salt residue noticeably faster than homes further inland, and over time untreated salt can begin to etch the glass itself. Most bayside Melbourne homes benefit from a professional clean every six months, with foreshore properties often booking quarterly.

Across Melbourne's leafy inner south-east — Toorak, Malvern, Armadale, Glen Iris and the surrounding Stonnington suburbs — the primary drivers are established garden trees and automated irrigation systems. The mature elms, planes and oaks that line these Melbourne streets release substantial pollen in spring and drop tannin-heavy leaf debris in autumn. Automated irrigation sprays hard Melbourne water onto windows and glass balustrades, leaving mineral spotting that builds up between cleans. Most Stonnington Melbourne homes are on a six-month schedule, with some opting for quarterly cleans ahead of significant entertaining periods or rental inspections.

Across Melbourne's south-east — Bentleigh, Carnegie, Caulfield, Elsternwick, McKinnon, Ormond and the surrounding Glen Eira suburbs — the mix of tree coverage, road dust from the main commercial strips, and Melbourne's variable weather creates a layered build-up that ordinary rain moves around rather than removes. The area's active development scene means construction dust is a periodic factor too. Six-monthly window cleans are the right baseline for most Melbourne homes in this area.

For all Melbourne properties, the city's hard water supply adds mineral spotting wherever water dries on glass — after rain, irrigation overspray, or even a window left open during a summer storm. This is why windows that look clean can still show a dull, cloudy film that only professional Melbourne window cleaning properly removes.

Most customers who initially book exterior-only end up adding interior to the job. Once the outside glass is clean, the interior is suddenly impossible to ignore. Cooking residue, hand marks, dust along sills, and the haze that builds on any closed window through a Melbourne summer all show up against newly cleaned exterior glass, and the contrast is unflattering.

Justin recommends most Melbourne homes book full interior and exterior at least once a year, with optional exterior-only top-ups in between. Fly screens are added to almost every job. They trap a remarkable amount of dust and pollen between cleans, and the difference in airflow and light is immediate once they're properly washed.

Not sure what to budget? The window cleaning cost guide covers real fixed prices by property size, storey count and add-ons — no vague estimates.