Can a flat roof be converted to a pitched roof?
Often yes, but converting a flat roof to a pitched roof is a structural project rather than a simple covering change. Roof loads, walls, drainage, planning considerations and Building Regulations may all need assessment before work begins.
What conversion involves
Replacing a flat roof with a pitched structure is a building project rather than a re-covering. It introduces new loads, changes how the walls carry weight, alters drainage and affects the appearance of the property.
That means structural design input, and it may involve Building Regulations approval and, depending on the property and the change in appearance, planning permission.
Deciding whether it is worth it
Conversion is usually considered where a flat roof has caused ongoing problems, where the appearance matters, or where the space beneath is being altered anyway.
It should be compared honestly against a properly specified new flat roof, which resolves many of the same complaints at a different scale of work.