Large Downlights

What are Large Downlights? 

Large, oversized downlights are precisely what they sound like—downlights, but bigger. They start at 100 mm and go beyond 300 mm, delivering more light with fewer fixtures. That means less time spent installing and more time enjoying a clean, well-lit space. Plus, they make high ceilings look even more impressive without breaking a sweat. 

Bigger downlights also mean fewer gaps in lighting. That means no awkward shadows and no need for a dozen smaller fixtures. They’re the perfect choice for commercial spaces, high-ceilinged rooms, and anywhere that demands bright, even lighting with a sleek, modern look. If your space is large, your downlights should be, too. 

Downlight Sizing Guide 

Large recessed ceiling lights come in different sizes, each designed for specific spaces. The best ones will depend on your ceiling height, room size, and the level of brightness you need. 

• 100 mm downlights. These are great for slightly larger spaces where standard downlights don’t quite cut it. Works well in hallways and kitchens. 
• 150 mm downlights. These are ideal for homes, small offices, and retail shops. They provide ample light without overpowering the space, making them fantastic for ambient lighting. 
• 170 mm downlights. These offer a solid middle ground between 150 mm and 200 mm models. Perfect for larger living rooms, retail spaces, and small commercial applications where extra brightness is needed without going overboard. 
• 200 mm downlights. These offer a step up in brightness, perfect for restaurants, offices, and medium-sized commercial spaces. They strike a balance between illumination and aesthetics. 
• 250 mm downlights. These work best in warehouses, showrooms, and open-plan offices. They provide widespread illumination with fewer fixtures, keeping ceilings neat. 
• 300 mm downlights and beyond. These are the heavyweights of the lighting world. If you’ve got high ceilings in a commercial building, grand showroom, or industrial space, these oversized downlights deliver maximum impact. 

How to Choose the Right-Sized Downlight for Large Holes? 

Size matters, but it’s not the only thing to consider. Here’s what else you need to think about: 

• Hole Size. Always measure your ceiling hole before buying a downlight. If the hole is too small, the fixture won’t fit. If it’s too big, you’ll end up with an unsightly gap—or worse, a wobbly light. 
• Ceiling Height. The higher the ceiling, the stronger the light needs to be. Standard downlights might work in a small room, but bigger spaces need large LED recessed ceiling lights to prevent dark spots. 
• Lumens Needed. Brightness is key. A 300 mm downlight with 4000 lumens will light up a large room, while a 150 mm unit with 1000 lumens is better suited for smaller spaces. Remember: More lumens = brighter light. 
• Beam Angle. A narrow beam angle focuses light on a specific area, great for task lighting. A wide beam spreads light evenly, eliminating shadows and creating a well-lit space. 
• Energy Efficiency. Bigger doesn’t mean wasteful. In fact, there are plenty of large LED downlights that can provide high brightness and low power consumption. Look for these energy-efficient models to save on electricity bills. 
• Dimmability. Not all downlights are dimmable. If you want adjustable brightness, check before buying. A non-dimmable fixture won’t suddenly become dimmable just because you wish it would. 
• Aesthetic and Placement. Think about how the downlights will look once installed. Spacing matters. Too close together, and it’s overkill. But too far apart, and you’ll have uneven lighting. Plan your layout properly. 

How to Install or Replace Large Downlights? 

Installing large downlights is simple, but a few things can go wrong if you’re not careful: 

• Turn Off the Power. Unless you enjoy electric shocks, switch off the mains before touching any wires. 
• Check Compatibility. Your new downlight needs to fit the existing hole. If not, you may need an adapter or some creative DIY skills. 
• Connect the Wiring. Match the live, neutral, and earth wires. If this sounds like a foreign language, call an electrician. 
• Secure the Downlight. Push it into place and make sure it sits flush with the ceiling. 
• Test the Light. Turn the power back on and admire your work. 

If in doubt, always call a professional. It’s better than setting off your smoke alarm—or worse. 

Frequently Asked Questions 

Can I use large downlights at home? 

Yes, but only in large rooms or with high ceilings. Otherwise, they’ll look oversized and out of place. 

Are oversized downlights energy efficient? 

Yes! Most use LED technology, which means lower energy bills and a longer lifespan. 

Do large downlights work with dimmer switches? 

Many do, but check the product details to be sure. Not all large LED downlights are dimmable. 

Can I install large downlights myself? 

If you’re confident with wiring, yes. If not, hire an electrician and save yourself the headache. 

Do large downlights need a driver? 

Some do, some don’t. Check if the light has an integrated driver or needs an external one. 

Find the Best Large Downlights for Your Space 

At Simple Lighting, we’ve got a fantastic range of large LED downlights to suit any space. Whether you need powerful commercial lighting or stylish home fixtures, we’ve got you covered. Our downlights are energy-efficient, long-lasting, and easy to install. 

Why settle for dim and dull? Upgrade to proper lighting today. Shop now and transform your space with the best large LED downlights available!