How it works
Tell us the problem
Window type, what's wrong and your postal code.We pass it on
To one BCA-approved window contractor, not five.They WhatsApp you
Often with a request for a photo, then a quote.You decide
Asking is free. You deal with the contractor directly.
What window repair costs
Prices published by Singapore window contractors in 2026. Your quote depends on the window and the parts.
Repairs
Replacement
Sources: RKEC and Acme Design price guides, 2026. Replacement leaves out HDB permit fees and any Professional Engineer fee.
The rules for HDB and condo windows
BCA asks owners to check their windows twice a year: rivets and screws on casement windows, stoppers and angle strips on sliding ones.
Maximum fine for keeping aluminium rivets on casement windows. Stainless steel has been required since 2004, and jail of up to 6 months is possible.
Maximum fine if a window falls because it wasn't maintained, with up to a year in jail. BCA recorded 35 fallen windows in the first 11 months of 2023.
Rivets, friction stays, rollers, stoppers and glass should be done by a BCA-approved window contractor, registered under workhead RW01 or listed by HDB.
Sources: BCA media release, 12 Dec 2023; HDB window works guidelines.
What you can do yourself
Fine to do yourself
- Tighten loose screws
- Clean sliding tracks so panels run smoothly
- Oil hinges and moving joints
- Push loose rubber gaskets back in
Call an approved contractor
- Rusty, loose or aluminium rivets
- Bent or sagging friction stays
- Worn rollers, missing stoppers or angle strips
- Cracked glass, or any replacement
Based on HDB's casement and sliding window maintenance guides.
Window film for privacy and heat
Neighbours across the corridor, afternoon sun on the living room, a bathroom window facing the next block. Film goes on your existing glass, usually in a day.
Frosted
Blurs the view both ways and still lets light in. Works day and night. Common on corridor windows, service yards and bathrooms.
Solar
Cuts the heat and glare coming through the glass. A darker film doesn't always block more heat, so ask for the heat figure.
One-way mirror
Private in the day only. At night, with your lights on, people outside can see in. HDB discourages mirror-like film.
What film costs
Sources: published prices from Zenith Films, ShieldShade and Stickyworks, and Carousell listings, 2026. Premium brands cost more.
Get a film quoteQuestions people ask
Do I have to change my aluminium rivets?
Yes, for casement windows. BCA has required stainless steel rivets since 2004, and the fine for not changing them goes up to S$5,000.
Who is responsible if my window falls?
The owner or occupier. The maximum penalty is a S$10,000 fine, a year in jail, or both.
Will HDB fix my windows?
No. Windows inside your flat are the owner's to maintain. HDB lists approved contractors, and residents who need help with the cost can approach their Community Development Council.
Can a handyman repair my window?
For tightening screws or cleaning tracks, yes. Rivets, friction stays, rollers, stoppers and glass should go to a BCA-approved window contractor.
Do I need a permit?
Yes, to install or replace windows in an HDB flat, and your contractor can apply for you. HDB doesn't publish a clear rule on small repairs, so ask your contractor.
Do I need an HDB permit for window film?
Installers say film on existing glass needs no permit as long as it isn't mirror-like. HDB discourages reflective film, so check with HDB first if you want a one-way mirror finish. In a condo, ask your management office (MCST), since anything facing outside usually needs their approval.
Does one-way film keep my flat private at night?
No. It only works while it's brighter outside than inside. For privacy day and night, choose frosted film.
Can I replace my full-height window?
Generally no. HDB doesn't allow full-height, three-quarter height or bay windows to be replaced unless the frame is damaged.
Are you a window contractor or film installer?
We're looking for one BCA-approved window contractor and one film installer to take the requests from this site. Leave your details and we'll WhatsApp you.