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Mansard Loft Conversion London

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What is a Mansard Loft Conversion?

Mansard loft conversions are amongst the more premium loft conversions you can have carried out in your property. Mansard conversions are similar to dormer conversions in that they’re a box-like extension typically added to the rear of the property. 

Unlike dormers, however, their back walls aren’t vertical, and instead slope inwards slightly, usually at an angle of around 70 degrees. Like dormer conversions, mansards have flat roofs. This type of loft conversion adds both style and elegance to any property, as well as adding that all-valuable space. Something in rare supply in built-up, more urban areas.

Are There Different Types of Mansard Extensions?

There are several different types of mansard extension available to property owners, including: single mansard extensions, double mansard extensions and l-shaped mansard extensions

Single mansards are the most common and are usually built at the rear of the property. These are typically also the cheapest mansard type to implement. Double mansard extensions involve the construction of mansards on both the rear and the front of a property.

L-shaped mansards involve the construction of two adjoining mansards; one larger and one smaller, to create their distinctive L shape. These are most common on terraced and semi-detached properties which have an extension that already juts out to the rear of a property.

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Frequently Asked Questions (FAQs)

Usually, no. Mansard conversions (or any other loft conversion for that matter) typically fall within a building’s permitted developments. That’s to say, work that can be carried out on a property without needing extra permissions. The conversion will still be subject to building regulations approval, however.

Yes! Implementing any kind of loft conversion will improve your property’s resale value down the line, and mansard conversions, with their luxury feel and aesthetic style, are no exception to this. A mansard conversion which provides an additional (en-suite) bedroom, can expect to add as much as 21% to a property’s overall value, according to a study by Nationwide.