types of loft conversions

there are different types of loft conversions some are done with just installing roof windows others have dormers or dormers with the gable and roof extended .In the photo to the left this loft conversion
has three of the elements you can see the start to the construction of the dormer and the gable end  constructed in timber stud this can also be done in brickwork
this type of roof construction is called a mansard where the face slopes at an angle
roof window type where the exterior shape of the roof remains

walsh lofts

new truss roof  Canvey Island corner club
trusses are used  in modern houses construction
they span asross the external walls and dont need to be supported in the centre