Victorian Mansard Roof Extension

Mansard roofs are most common on terraced victorian and georgian properties particularly in london.

Victorian mansard roof extension.

Mansard roofs are a widespread and traditional method of adding an extra storey to the top of a georgian victorian or edwardian building. Mansard loft conversions follow this style with one side of the roof removed and the height of the party wall raised to create an almost vertical slope at least 72 degrees in order to create more space. 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. If you are not familiar with a gambrel roof then let us first explain its architecture in brief.

A mansard roof features two slopes on all four sides of the house one slope steeper than the other. That s a lot of additional space in your existing house. This is known as a mansard roof extension. Remember to position the vertical rafters within the boundaries of the ridge board.

This is the upper region of the mansard roof that needs to be constructued using vertical rafters. 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. The mansard roof extension is possible on victorian or georgian properties. Simply put the mansard roof also known as the french roof or curb roof is a hybrid between a gambrel roof and a hip roof.

Larger mansard roofs can achieve three additional bedrooms or one self contained flat. Mansard roofs are the most common way of achieving an additional one or two bedrooms in your house. Often the existing roof will be inverted so the roof is a valley v.