Roof pitch conversion charts are very useful for one thing they give you all the information that you need to provide to the professionals.
Pitched roof loft conversion.
Even where a loft appears reasonably spacious prior to conversion the available headroom will normally have shrunk by at least 300mm by the time you ve added a new floor structure and insulated the rafters too.
The charts are there to provide people with an idea of what the actual slope will.
A pitched roof dormer loft conversion is a popular choice when the height of the existing roof is sufficient enough to accommodate one.
This type of loft conversion is usually regarded as one of the most aesthetically pleasing designs as it brings an extraordinary amount of character due to all the angles it creates internally.
Dormer loft conversions are the most popular option as they are the easiest way to add light and an increased amount of roof space with full headroom.
Rooflight loft conversions require the least amount of structural work to the existing space and are therefore the most cost effective.
The only changes made are the addition of windows.
The roof structure is altered at the sides or rear of the house to add a large flat roofed box dormer.
If you can give them the exact chart and measurement that you like the look of they can work to those specifications.