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Roof Lanterns

11 Nov 2020

Do roof lanterns need planning permission?
“You do not normally need to apply for planning permission to re-roof your house or to insert roof lights or skylights as the permitted development rules allow for roof alterations subject to the following limits and conditions” Roof lanterns or skylights should not project more than 150mm from the existing roof plane.

How big should my roof lantern be?
A smallish 100x100cm lantern can let in a surprising amount of sunlight, while a 150x250cm lantern gives an excellent area of light for a medium sized roof. Generally speaking, we advise that the overall glazing area in any extension should cover at least 15-20% of the overall floor space.

What is a lantern window?
Instead, it is a window or covered glass opening that is designed to let the natural light flow in. In some areas, roof lanterns are simply referred to as skylights.


Does a roof lantern let in more light?
Roof lanterns offer a great choice. Not only are they better at channelling light from all angles than their flat counterparts, but they can also create a stunning architectural showpiece in your home. A lantern roof will make a room look bigger.


Are lantern roofs cold?
Are lantern roofs too hot or cold? In the past, glazing in conservatory roofs or extensions has had a reputation of being ineffective. They were often abandoned after becoming too hot in the summer and too cold in the winter.

Efficient glazing eradicates this problem. With glass that reflects the sun’s rays, you can be sure that it will never become unbearable in the heat.

Thanks to low u values, modern glass is able to trap heat in more efficiently leaving you with a warmer room in the winter and lower heating bills. With the option of a vent and blinds, you can control how much air you and light you let in, similar to your windows. Blinds will also allow you to protect furnishings from the sun’s rays.

Can lantern roofs be noisy?
Glazing technology has come on leaps and bounds in the last few years. Effective glazing will decease noise pollution and allow you to have a comfortable and peaceful living area. This means they are perfect if your garden backs onto a busy road. You can get the same benefits from replacing your windows.


Do skylights add value to a home?
An indoor home renovation can improve your life while increasing your home's value. For instance, natural light is a big selling point for homebuyers. Adding Energy Star-qualified, no-leak skylights can increase your home's efficiency and appeal to potential buyers.