A basic attic conversion will take about 10 days to complete gilbert says but to make the attic space look and feel habitable you need to factor in good sources of natural light and ventilation.
Roof space conversion.
If you have trusses it will be next to impossible to reconfigure them to allow for clear space.
A hip to gable conversion has a similar effect.
The mansard type will give maximum conversion roof space because it projects the maximum available head height thus giving a greater usable floor area.
Ironically though it s the rafters that provide a better environment for an attic conversion because of the clear space.
Dormers and other similar conversions are normally installed by opening up the roof and cutting the required specified timbers to size on site.
Attic conversion has fit the bill for countless homeowners over the years.
An attic bedroom exploits roof space previously devoted to high school yearbooks and nesting sparrows.
Removing sections of the roof or all of it makes it possible to gain the required headspace however this adds to the cost and also requires planning permission unlike a more simple conversion.
Unlike many basements attics are dry and being free of major appliances e g the furnace they are also quiet.
Trusses are considered a superior method of framing a roof because of the additional support.