Adding on to a house or structure is a great way to get more room without building an entire new house.
Gable roof rear extension.
A pitched roof falling away from the rear of the property may simply not be possible for an extension measuring 4 5m depth.
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.
From your photos i would approximate the distance between the head of the existing doors and the first floor windows is 1 2 1 5m.
Framing the gable ends 1 nail 2 boards onto your walls as top plates.
The minimum recommended pitched roof is 15 degrees.
Add a box dormer to create more full height space.
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.
The pitch of the extension s roof complements the original building creating a sense of harmony between the two elements.
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.
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.
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.
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.
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.
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 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.
After that you should fix the cornice board to the end sides of the ridge and the load bearing beams.
How to get planning for a mansard roof extension.
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.
Use 8 penny nails to attach the first 2 in 4 in 5 1 cm 10 2 cm board to the wall studs.
National planning guidance concentrates on general loft extensions and conversions.