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Registered Address: 111 Malden Road, Cheam, Sutton, Surrey, SM3 8QU

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Mansard Loft Conversions

One of the more specialised  types of Loft Conversion we design are what is known as "Mansard Loft Conversions". For owners of terraced or end of terrace houses this type of Loft Conversion often represents an interesting alternative to a more straightforward Flat Roof Dormer.

 

On this page we have the answers to a few of the most common questions we are asked about Mansard Loft Conversions and a few sample Planning Drawings for you to look at. If you are interested in having us draw up some Loft Plans for your Mansard Loft Conversion please get in touch!

What is a Mansard Loft Conversion?

 

A Mansard Loft Conversion is a Loft Conversion where an existing Gabled Roof is extended out to create more space by building a special type of Dormer. As the graphics below show a Mansard Loft Conversion usually involves building up the flanking walls at either side of the property and constructing a very steep pitched roof between them to act as the rear Dormer wall. Small "Pocket Dormers" can be built into this new roof to accommodate vertical windows and doors. It works like this:  

Gabled Roof

+ Mansard

+ Pocket Dormers

Do I need planning permission for a Mansard Loft Conversion?

We will need to put in a Planning Application to the Local Authority if you want to build a Mansard Loft Conversion. That's because in most cases the changes to the property would not fall within the constraints of any Permitted Development Rights your property may or may not have (read about those here to know more). On the plus side there are many instances where Planners prefer Mansard Loft Conversions to other types of Loft Conversions and will grant Planning Permission for them where other types of Loft Conversion would be rejected. 

Can I see some sample plans for Mansard Loft Conversions?

Yes you can. Here they are:

How do I go about getting started on my own Mansard Loft Conversion project? 

You start by getting some Loft Plans drawn up! Get in touch or book online and we'll get started straight away.