This is known as a mansard roof extension.
Modern mansard roof extension.
Often the existing roof will be inverted so the roof is a valley v.
Named after the renowned 17th century architect françois mansart modern building techniques mean that adding an extra storey to a property with a mansard loft conversion has never been so popular.
See more ideas about mansard roof house exterior house styles.
Mansard roofs are most common on terraced victorian and georgian properties particularly in london.
Jul 14 2020 explore terry judice s board mansard roof followed by 150 people on pinterest.
This curb hip style roof includes two distinct slopes with the steeper angle on one side for better drainage.
Mansard or french roofs are quite similar to a gambrel roof design since they are also made up of four sides.
To make a loft extension workable in this instance it will be necessary to remove the existing roof build up the existing party walls and build a new structure set back from the front wall with the front and rear walls sloping inwards.
Architects overcome opposition to add mansard roof extension to london mews house after a particularly contentious and protracted planning process this semi detached red bricked house part of a group of five properties that form regent s mews in affluent london nw8 finally boasts an impressive third storey extension as a result of the erection of a mansard roof.
The dormer window provides an extra floor space called a garret.
This type of property adaptation adds extra space to the top of the house but it can require quite a lot of work.