Rear Mansard Roof Extension

A mansard roof features two slopes on all four sides of the house one slope steeper than the other.

Rear mansard roof extension.

Often found at the rear of properties this type of conversion changes the sloping side of your roof to an almost vertical side one of at least 72 degrees. Mansard roof extension and rear extension approved. Often the existing roof will be inverted so the roof is a valley v. Mansard roofs are a widespread and traditional method of adding an extra storey to the top of a georgian victorian or edwardian building.

Mansard roof extensions are the most cost effective way to maximise the floor area of your house or flat when compared to adding the same floor area with a rear or side extension. 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 approval allows the oc. Mansard roofs are most common on terraced victorian and georgian properties particularly in london.

Named after the 17 th century french architect francois mansart mansard loft conversions can be thought of as an extension across the entire plane of your property s roof. 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. This is known as a mansard roof extension.