But flat glazed roofs or one with a series of rooflights can be equally as effective.
Pitched roof side garage extension.
This allows you to put up higher ceilings or utilise the space below the roof in the form of a loft.
While the extension features a modern steel structure and a large amount of glazing the roof features stone slates to provide a sympathetic nod to the original cottage.
This might be enough to extend by around 4m right across the back of a typical semi or detached house with either a flat or low pitched sloping roof as a single storey or side return extension both ideal for creating a large open plan kitchen diner.
Pitched roofs have a more traditional appearance while a flat roof can appear sleeker.
However this wall also forms and internal wall within the accommodation below.
A single pitch roof can make a side return feel loftier inside and look attractive viewed from the garden.
The pitched roof extension at the side of this victorian property helped the owners achieve the new york loft style warehouse space they were after.
With a pitched roof extension you inevitably benefit from more space beneath.
The upper portion of the roof is heavily pitched and the lower slope is gently pitched.
Finally a pitched roof extension enables you to add more insulation which can help keep your energy bills lower and your house warmer.
As pictured above it is likely to extend much further than a mansard besides having the lower pitched slope on the bottom.
It is a complex framing style that can be or usually is a variation of the hip roof but a gable home may also make use of bonnet frame.