Interior view looking up through a Korniche Flat Glass Rooflight with a white internal finish, showing blue sky and clouds above.

Korniche Flat Glass vs FlatLite Rooflights: Which Is Best?

Choosing the right rooflight for your home extension or renovation project can feel overwhelming, especially when two strong contenders come from the same trusted manufacturer. When comparing the Korniche Flat Glass versus the Korniche FlatLite, the decision ultimately comes down to custom options, maintenance, and budget.

Flat Glass or FlatLite? It’s not about which is better. Because they are both great, they both look fantastic, they both can be double and triple glazed, they both have the same glazing tint options and frame colour options.

So, what’s different?

  1. The Korniche Flat Glass comes in bespoke sizes, while the FlatLite has standard sizes only. So, if you’re replacing, you can get it measured right down to the millimetre to fit your current upstand.
  2. If you want a rooflight that can be replaced if the glass ever gets damaged, you can replace the glass in the Korniche Flat Glass much easier than traditional flat rooflights like the flatlite. Your installer will simply take off the trims, unscrew the security screws and lift the glass frame away from the base. With the Korniche FlatLite, the glass and frame is one, bonded together. So if you have the same issue, pulling the rooflight away from the upstand will cause more damage below, your installer might have to rebuild the upstand, replaster and repaint.
Two Korniche Flat Glass Rooflights with dark grey frames installed on a flat roof extension beside a traditional thatched cottage.
Two Korniche Flat Glass Rooflights installed on a flat roof extension, combining contemporary glazing with the traditional character of a thatched cottage.

Pricing and Cost Savings

Pricing wise, if we compare both products before installation, if we select the same specs, both 1mx1m double glazed with standard blue glass. The FlatLite is approx. 40% cheaper than the Korniche Flat Glass, a saving of over £250. This doesn’t seem like a large amount, but if you’re installing 3-4 rooflights, the savings build up, especially if you’re working to a strict budget. That money could go towards a furniture deposit or perhaps a mid-range coffee table or a painter / decorator.