Gable Roof Rear Extension

How to get planning for a mansard roof extension.

Gable roof rear extension.

Add a box dormer to create more full height space. Building an extension to the rear of the house which does not increase the original floor area of the house by more than 40 square metres and is not higher than the house. To make a loft extension workable in this instance it will be necessary to remove the existing roof build up the existing party walls and build a new structure set back from the front wall with the front and rear walls sloping inwards. The pitch of the extension s roof complements the original building creating a sense of harmony between the two elements.

Adding on to a house or structure is a great way to get more room without building an entire new house. Then load bearing roof beams fixed to the trusses are extended in the same way. National planning guidance concentrates on general loft extensions and conversions. The pitched roof extension that s been added to this property comes out quite far and has created enough room for a large living room at the back of the house.

A pitched roof falling away from the rear of the property may simply not be possible for an extension measuring 4 5m depth. The shape of the new edifice designed by jlarchitecture looks attractive at the back of the house and gives the owners extra ceiling height without overwhelming the external space. The extension should not reduce the open space at the back of the house to less than 25 square metres which must be reserved exclusively for the use of the occupants of your house. For the arrangement of the gable end overhang for the standard roof you lengthen the ridge beam beyond the facade for previously verified length using cut rafters.

Often the existing roof will be inverted so the roof is a valley v. After that you should fix the cornice board to the end sides of the ridge and the load bearing beams. While the extension features a modern steel structure and a large amount of glazing the roof features stone slates to provide a sympathetic nod to the original cottage. There are several important things to know about matching existing roofs and how to do it depending on what style of roof you have the roof truss design and how you want to add on.

This is known as a mansard roof extension. It can be especially useful in providing the headroom needed to add stairs into a loft 1 9m minimum at centre or for a loft bathroom. If you ve inherited a loft conversion from a former owner and are dissatisfied with the amount of full height space a box dormer is an easy solution that promises to transform the feel of your loft. Please have a look at the other construction videos on our channel.

The minimum recommended pitched roof is 15 degrees.