Buying Quality HDB Window Grill: Is It Worth It?

Moving into a new HDB flat in Singapore comes with its good and bad sides. Just like any other homeowner, you are probably happy with your new home. Still, there’s likely a lot of renovation ahead, and window grilles are something you wouldn’t want to miss. In the past decade, aluminium grills have become increasingly popular for their affordable price and durability. But are these HDB window grilles really worth it? Read on to find out if splurging on high-quality grilles will actually save you money and headaches down the road. Alternatively, you will learn whether you should opt for the basic version and whether it gets the job done.

Why Invest in Quality Aluminum Window Grills?

Aluminium windows with invisible grilles

Undoubtedly, the advancements in the HDB window grills industry have allowed homeowners to combine aesthetics with security. In this regard, aluminium grills are the number-one choice of Singaporeans who seek a blend of protection and durability at reasonable prices. Of course, you might pay more than usual, but investing in quality comes with its perks:

Low-Maintenance Material

Durability is a crucial quality for materials in Singapore’s hot and humid climate. In this regard, aluminium is one of the most successful choices for HDB window grills. While it’s resistant to rust and corrosion, it requires little to no maintenance to maintain its looks. Ultimately, you won’t need repainting or repairs, only an occasional wipe down to clean it from the dust.

Long-Lasting Quality

Typically, aluminium has anti-corrosive properties that allow HDB window grills to last for decades with minimal wear and tear. This feature makes them a smart choice against Singapore’s hot and humid weather that won’t need replacement for at least ten years.

Peace of Mind

The very essence of installing a window grill is to provide the much-needed protection of your home for peace of mind. Opting for a slightly pricier material like aluminium with closely spaced bars will give intruders a tough time. Ultimately, spending more upfront will ensure you rest easy, knowing your family and belongings are safe and secure.

Aesthetic Appeal

HDB resale flats in Singapore often lean on renovation contractor work. However, getting the best price must equal value. In this regard, aluminium window grills are a great way to enhance your home’s curb appeal. Compared to steel, such grills provide a sleek and modern look that complements both traditional and contemporary architecture.

Cost-Effective in the Long Run

Perhaps you’ve browsed through the numerous HDB window grill offers online and saw the higher price tag on aluminium options. While this is a known fact, the durability of such window grills often ends up saving you money in the long run. Besides, you won’t have to worry about frequent maintenance, repairs, repainting, or replacement.

Top 3 Best HDB Window Grill Designs in Singapore

Undoubtedly, sprucing up your home with a more high-quality grill option will pay off in the long term. Still, you’d want to get the best possible looks for the right price to fit your budget. Typically, it’s best to consult with a professional window grill contractor to get the best ideas and product quality. In the past few years, homeowners have shown general preferences for the following HDB window grill design options:

Simple and Sleek Aluminum Window Grills

Sliding Aluminium Windows

Aluminium window grills are popular in homes with minimal designs focusing on maximising natural light inlet. Usually, they come in simple square or rectangular designs that are easily customisable to fit the window dimensions. They’re durable, low-maintenance, and affordable, making up for an excellent industrial-chic look without compromising security.

Customisable Steel Window Grilles

Steel window grilles are another HDB window design in Singapore. They come with different bar spacing, shapes, and motifs to match your home’s architectural style. Popular designs include circular grilles, mesh grilles, and grilles with decorative cutouts. While they may cost more upfront, steel grilles can last decades with minimal rusting or warping in Singapore’s climate.

Fixed Grilles for Extra Protection

If you’re looking for maximum protection, you should opt for fixed grills and mild steel gates. Since you cannot open them, you will get the highest level of security, especially if you live in a ground-floor unit. Typically, fixed grills are made of steel or aluminium and are welded or bolted in place over window openings. As expected, they limit airflow and natural light to some degree. Still, installing such HDB window grills will provide peace of mind that your home is well-protected when you’re away.

High-Quality Window Grills vs. Other Options


High-Quality Aluminum Window Grills

Mild Steel Grills

Wooden Grills

Vinyl Grills

Security & Durability

Unmatched security with thick, sturdy bars tough to cut or pry open. Resists rust and corrosion, lasting for decades.

Fair security but prone to rust over time, which can weaken durability and require replacement.

Prone to termite attacks and weather damage, and not as secure. Needs regular treatment to maintain integrity.

Low security can be easily damaged. Resistant to rust but not suitable for high-security needs.

Maintenance Needs

Almost zero maintenance. Just an occasional wipe down needed.

Requires rust-proofing and possibly repainting to deal with corrosion.

Needs regular painting or staining to protect against weather and termites.

Easy to clean but can fade or become brittle over time due to exposure to the sun.


Sleek designs, customisable options. Various finishes are available to match any home’s style.

Functional but lacks the customisation and finish options of aluminium. Can look industrial.

Natural look that can add warmth but may not match all modern architectural styles. Limited customisation.

Can mimic other materials and comes in colours but may not achieve the premium look of metal grills.

Estimated Costs of Aluminum Window Grills in Singapore

Basic 3-Room HDB Flat

For a basic 3-room HDB flat, you can expect to pay between $1,200 and $1,400 for aluminium window grilles. This will cover grilles for all bedrooms, living rooms, and kitchen windows. At the lower end of the range, you’ll get standard square grilles with wider bar spacing, usually around 2 to 3 inches apart. These provide basic security and privacy but little esthetic appeal. At the higher end, you can get grilles with decorative bar patterns, closer 1-inch bar spacing, and powder coating in colour to match your home’s exterior.

Cost for Ultra-Slim Window Grills

If space is limited or you want a minimalist look, ultra-slim window grills are a great option. For a 3-room flat, ultra-slim grills will cost around $788 per window. The sleek, narrow bars provide security while maximising your view and light.

Pricing for Larger HDB Flats

For larger 4- or 5-room HDB flats, standard aluminium window grills start around $1,200. The total cost will depend on the number of windows being secured. On average, installing grills for five standard windows in a 4-room flat will be $900 to $1,200.

Invisible Grills for Added Privacy

Invisible window grills provide security with an unobstructed view. Made of strong, nearly transparent mesh, they are almost unseen from a distance. Installing invisible grills for five windows in a 4-room flat will typically cost between $1,080 and $1,450.


Buying high-quality aluminium window grilles in Singapore might indeed be a steep investment. Still, you’d regret not doing it when you realise how much hassle and repair costs you may save in the long run. Indeed, choosing quality over lower price will ensure your HDB window grills stand the test of time. Best of all, you get to enjoy added security, noise reduction, and aesthetic appeal that will boost your home’s comfort and value for years to come. So, do yourself a favor and choose the best HDB window grill design. Your wallet and your home will thank you later.