Roof conversion commonly involves a change in the roof structure and shape from a flat roof to a pitched roof or vice versa. However, it is more common to see flat roofs converted into pitched roofs.

Many property owners convert from flat to pitched to improve the aesthetic appearance of their building, create additional space or add value to the property. Additionally, pitched roofs are generally extremely energy efficient and, when well maintained, have a long lifespan due to the fact they can withstand harsh weather conditions and drain more easily than a flat roof structure.

Planning permission must be obtained and building regulations need to be met when converting any roof structure, whether it be for commercial or domestic use.