Roof Lantern Building Regulations

To install a rooflight the roof structure will generally need to be altered to create the opening.

Roof lantern building regulations.

Approval under the building regulations will generally be needed for the installation of a new rooflight for the following reasons. The amount of heat that can pass through a window or door is measured in u values and building regulations may specify a specific u value that your roof lantern cannot exceed. So because of all this planning is required along with building regs. The planning portal then conversely goes on to explain that approval under the building regulations will generally be needed for the installation of a new roof light roof lantern or skylight due to the following reasons.

To follow the building regulations properly. For more information about the heat loss performance of our doors windows and roof lanterns visit here. Movement could cause cracks to occur in the walls and possibly the eventual collapse of the roof. The team will be exhibiting the brand s full range of bsi kitemarked thermally broken skylights and roof lanterns from stand b150 at the excel london from 4th 12th may 2019.

A rooflight is a window that is installed within a pitched roof or flat roof normally to give more light to rooms or spaces within the home. 12 march 2019. With the roof being so old and not meeting current building regs the new flat roof will be taller and with the height of the roof lantern will take it over the 150mm height allowance for permitted development. This is why u value calculations will invariably be required when establishing an appropriate design for a new extension and more specifically the introduction of a roof lantern into a new or existing building.

The roof will have to be able to carry the load weight of the new rooflight. Installing a roof light generally requires alteration to the roof structure in order to create the opening. To install a rooflight the roof structure will generally need to be altered to create the opening. When performing work on any roof care should be taken to ensure the roof will continue to perform effectively and without any movement.

Energy efficiency is usually a big concern when it comes to these kinds of projects and part l of the building regulations requires you to improve thermal performance as this is known to be a common issue with flat roofs. For roof lanterns you can obtain a permitted development confirmation. This isn t required for a project to start but it s written proof from your local council that your project falls within permitted guidelines giving you peace of mind and preventing issues further down the line.