How is Invisible Grille Pricing Charged? (2026)
The two common pricing methods for invisible grilles are:
1. Pricing by Size Per Square Foot (PSF)
Fixed Grilles: $4.90 per square foot (PSF)
These are commonly found on balconies and windows ,for locations that you do not require to access out.
Openable Grilles: $18.50 (PSF)
These type of grilles include swing casement or sliding type ,usually for ease of cleaning, accessing to air con ledges or out laundry racks.
This method calculates the total cost based on the area of the window or opening where invisible grilles will be installed.
2. Pricing by Apartment Type:
For recent BTO HDB flats ,below are some common prices
- HDB 3-Room: $499
- HDB 4-Room: $639
- HDB 5-Room: $799
Invisible Grille Pricing for a Singapore HDB Apartments.
Windows Fixed Invisible Grille, pricing range starts from $160 to $300
Windows Openable Invisible Grille (Swing casement, Sliding or Bifold) $400 to $600
Invisible Grille Pricing for Singapore Condo.
For a Singapore Condos / Private Apartments
Invisible Grille for Balcony, Fixed type, pricing starts from $480 to $3000.
Fixed Invisible Grille For Windows $160 to $300.
Windows Openable Invisible Grille (Swing casement, Sliding or Bifold) $400 to $600.
Invisible Grille Pricing Myth
5 Factors That Affect The Cost of Invisible Grilles
Invisible grilles MAY NOT be more expensive than traditional grilles. The cost of invisible grilles in Singapore can vary depending on several factors, including:
1. The type of cables (stainless steel grade and protective covering (Read more)
Invisible safety grille cable consist of stainless-steel wire with a protective coating. The stainless-steel wire is the core of the grille and determines its strength. Common grades of stainless steel used for invisible grilles include 202, 304, and 316. The protective coating is typically made of nylon, Teflon, or All-Weather Membrane. The quality of the coating is vital, as it determines how well it will protect the stainless steel from UV rays and rain, and thus the overall durability of the cables.
2. The size of the window or balcony door
Size: The larger the window or balcony door, the more expensive the invisible grille.
3. The type of invisible grille material used , thickness of tracks, bolts, nuts, etc.
Type of invisible grille material: There are many invisible grille materials used in Singapore: stainless steel ropes are the core of the invisible grille with high-strength synthetic fiber. Stainless steel is more expensive than high-strength synthetic fiber, but it is also more durable.
4. The complexity of the installation
Complexity: The more complex the installation, the more expensive the invisible grille will be. For example, if there is no concrete roof on the balcony, you may be required to erect a structure to support the invisible grille.
Vendor: Reputable and experienced vendors typically charge more for their services, but offer better quality and workmanship.
5. The reputation of the vendor , Reviews
Reviews: Do your research on reliable reviews from Google or Facebook. Check out their track records ,how long they have been in business to ensure that they will be around to provide you warranty!
Alternative to Window Grille
Window restrictors are essential safety devices for homes with young children. They help to prevent falls from windows, which are a leading cause of injury and death for children.
Window restrictors work by limiting the distance of a window, making it impossible for young children to climb out of windows, even if left unattended.
Different window restrictors are available, so you can choose one that best suits your needs and budget.