The price of invisible grilles for HDB flats in Singapore may differ by supplier and is typically calculated possibly by apartment sort or per square foot. Packages from suppliers like Endo Grilles get started from $499 for your 3-home HDB, $639 for the 4-area, and $799 for your 5-place. Leading one Singapore Safety Window has marketing pricing at $1,200 for three-room, $1,five hundred for 4-area, and $one,900 for 5-place flats. Alternatively, fixed grilles can Charge from $4.90 for every sq. foot, although openable types are all around $eighteen.50 psf. The final Charge is influenced by variables such as the quality of chrome steel utilized (316 is usually here a premium solution), the scale from the window, and installation complexity. Various vendors provide these companies, including Key Furnishing with showrooms in Outram, Jurong East, and Tampines; DeGrille Pte. Ltd. at fifteen Changi North Road one; and Diamond Grille Devices at forty seven Kallang Pudding Highway. Many firms supply free on-website measurements and rates to offer precise pricing.