Not sure how many downlights you need for your new home? Our room-by-room guide covers spacing, wattage and colour temp. If you're building a new home in Melbourne's west or south-east, there's a good chance your electrician is already waiting on a lighting plan. If you're staring at an empty floor plan wondering how many downlights do I need, you're not alone. It's one of the most common questions we get in our Truganina and Clyde North showrooms.July 10, 2026