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Windows in your flat are subject to constant rain and wind exposure. Hence, you would need to maintain them as they will deteriorate over time due to fair wear and tear. Regular maintenance of windows is essential for safety.
As a flat owner or occupant, you are responsible for the upkeep of the windows in your flat. Otherwise, a window could fall and cause serious injury or worse to those below.
You should check your windows at least once every 6 months. Refer to our guide below on how to check your windows. Alternatively, you can watch our video.
Immediate action is crucial for window safety. The moment you find that your windows are in danger of falling, you should take precautionary measures to secure them. Subsequently, engage a Building and Construction Authority (BCA)-approved window contractor listed with HDB to replace/ repair the windows.
There are generally 3 types of windows:
The law has regulated the designs and installation of windows methods. In addition, it requires all aluminium casement windows fitted with aluminium rivets used aluminium casement windows have to be replaced by stainless steel rivets. For details, check the renovation guidelines for window works and our video on window legislation.
Check your home’s windows against the retrofitting requirements to ensure that it conforms to the window legislation. If you fail to retrofit your windows to stainless steel rivets, you could be fined up to $5,000 and/ or sentenced to a 6-month jail term.
Flats with existing aluminium casement windows fitted with aluminium rivets do not comply with regulations. What needs to be done:
Mild steel casement windows
Wooden casement windows
Please note that performance requirements of the Building Control Regulations (established as of 1 October 2004) have to be met regarding the installation of new windows.
To ensure that HDB flat windows are secure and maintained in good working condition at all times, all window checks, repairs, retrofittings, installations, and replacements must be conducted according to the Building Control Regulations. To ensure reliable work standards, we require you to engage only window contractors who are approved by the Building and Construction Authority (BCA) and registered with us for your repair and/ or maintenance needs. Check out the list of BCA-approved window contractors listed with HDB. Alternatively, visit your nearest HDB Branch to enquire about contractors you can engage.
Do check and ensure that minimum safety requirements are met for your existing windows.
Check out our illustration for reference.
The following table lists problems of aluminium casement windows that pose safety risks. Do check your existing windows and ensure that minimum safety requirements are met:
The following table lists problems of aluminium sliding windows that pose safety risks. Do check your existing windows and ensure that minimum safety requirements are met.
Damaged or not provided
Replace or add 1 of the following safety features to prevent sliding panel from jumping track:
Rollers are jammed
Check out our illustration for reference.
The following table lists the problems of aluminium adjustable louvre windows that pose safety risks. Do check your existing windows and ensure that minimum safety requirements are met.
Cracked or loose
Lever is jammed
To enhance the safety of new windows installed in HDB flats, we have put in place some guidelines for installation/ replacement of new windows.
To carry out installation/ replacement of new aluminium windows, you must engage only BCA-approved window contractor listed with HDB.
Please engage a BCA-approved window contractor listed with HDB to carry out installation/ replacement of new aluminium windows or repair of existing aluminium windows in HDB flats.
You are also required to state the name(s) of BCA-approved window contractor and that of the trained installer on the window permit application submitted to us.
Your window contractor is responsible for the proper installation/ repair of the window/s. After the window work is completed, if you discover loose rivets any loose/ missing parts, immediately contact your contractor for rectification.
For flats that have their windows retrofitted, a report has to be submitted once the necessary works have been completed.
Your approved window contractor will provide you with a retrofitting report, duly signed by their installer. The report is part of the retrofitting process/ requirement. The contractor will provide it to you at no extra charge.
Once your casement windows fitted with aluminium rivets and the friction stays have been retrofitted with stainless steel rivets, please email retrofitting report (Form B1) to HDB Branch via eFeedback. Alternatively, you can also use the Submission of Window Retrofitting Report e-Service to submit Form B1 electronically to HDB.
For any replacement or modification work to your window/s, you are to ensure that your contractor submits a report (Form D) to the Building and Construction Authority when the window work is completed.
You are advised to keep a copy of the retrofitting reports for your own record purposes.
There are several precautions you can take before engaging a contractor to attend to your windows.
Engaging a window contractor is a private arrangement between you and the contractor. To avoid problems or complaints related to overcharging or unnecessary work being carried out, do take note of the following before proceeding with any repairs/ maintenance:
Your window contractor is responsible for the proper installation of the rivets. After the retrofitting is completed, check that the rivets are firmly secured onto the frames. If you discover loose rivets upon completion of works, immediately contact your contractor for rectification. If your contractor refuses to do so, please inform us or the Building and Construction Authority so that appropriate action can be taken.
You may experience difficulty in closing your aluminium casement windows or find cracked glass panes, or loosened rubber gasket from the window. These could be due to wear and tear. or. Learn about what to look out for when you check your windows, as well as some maintenance tips to keep them in good condition..Note that all casement windows must be fitted with stainless steel rivets/ screws as fasteners.
Check casement windows to ensure that:
Use a small mirror to check the stainless steel screws/ rivets on the top and underside of the window panel. There should be at least 3 such screws/ rivets.
Adjust the sliding shoe screw. This screw controls how easily the window opens and shuts. It should be tightened to prevent a window from suddenly slamming shut, which may cause breakage.
Check and replace any brittle/ broken gasket with a new strip. Ensure that the new strip is fixed tightly on to the inner frame so that there will not be any glass movement after installation. Engage a BCA-approved window contractor listed with HDB to carry out repair and replacement works.
You may encounter sagged windows, decayed window parts, loose and/ or rusty butt hinges, or detached louvres. Learn how to solve these problems.
Take a look at some common problems that you may encounter with your sliding windows learn some maintenance tips.
Check sliding windows to ensure that:
They are commonly found in toilets or kitchen. Learn some of the common problem which you may encounter and maintenance tips.
Check the windows to ensure that:
Learn how to fix a lever lock that is too tight.
Another type of louvred window is the fixed type. You can also find them in toilets. Learn some of the common problem which you may encounter and maintenance tips for it.
Engage a BCA-approved window contractor listed with HDB to carry out repair and replacement works.
If you wish to change ownership of your flat without a sale (i.e. without monetary consideration), find out more about the types of ownership changes and the eligibility conditions.