Glass Roof Extension Building Regulations

Modern building regulations require quite high levels of thermal efficiency and it can be difficult to get a completely glass extension to comply.

Glass roof extension building regulations.

A glass roof is essential to grow plants and will make the space a true extension of the outdoors. This includes the thermal performance requirements of the glazing and considerations for design. A long length of glass or a series of rooflights ideally leading the eye towards a window at the far end of your small extension will help exaggerate not just its length but the ceiling height too. Read below for an outline of the building regulations requirements for glazing on your new build house project.

There are plenty of design options when it comes to your glass box extension as there are many other structural components involved in building it. However this sleek and transparent look desired by homeowners can be at odds with building regulations part l which sets targets for the building envelope s energy efficiency. Tiled most garden rooms have glass roofs which range between 6 000 and 12 000 to install. For information about the glazing performance to an extension or renovation read our article building regulations part l1b for glazing.

Adding a tile roof costs between 3 000 and 8 000. If there is a dispute regarding an extension subject to the building regulations and the local authority then determinations can be used to decide. The design possibilities for glass box extensions are endless on commercial properties as you are able to integrate almost all glazing elements to create the perfect extension to suit any building. The floor the roof and the walls must all be insulated correctly and the floor area of your extension dictates the area of glass that can be incorporated into your design.

Part l limits the total area of openings or glazed elements such as windows roof windows and doors to a maximum of 25 per cent of the extension s floor area. The regulations at time of writing distinguish between new and existing buildings and also large and other extensions. Glass extensions and building regulations even when using specially formulated glass in double or triple glazed systems more heat tends to be lost through glass than through a solid construction. When it comes to choosing a frame for instance you will need to be as thin as possible so that your glass extension looks stylish.

A determination is made by the secretary state for transport if you are building in england or the national assembly if you are in wales. You can also lower the price. Building regulations part l1b and glass extensions there are various rules and guidelines for the use of glass in renovations and extensions as stipulated by part l1b.