This is probably the simpliest of all loft conversions. With this type of construction the roof line of house is unaltered and a room is simply created in your existing loft space. Velux loft conversion lends itself to Victorian style houses and is often used if Planning Permission is required.

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A rear dormer creates a square end to the back of your house and has a flat roof. This creates a substantial amount of extra floor space and height. It is possible on most terraced and semi detached properties, and allows a greater choice of rooms within the loft space. Rear dormer loft conversion is often possible to construct a dormer without gaining planning permission.

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Front or side dormers are smaller dormers constructed to be in-keeping with your property. A side dormer is used to replace a hip to gable construction when planning is required.

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This involves changing the sloping side of your property, the "hipped side", to a flat, gable end, creating a much bigger loft room and often creating space for the staircase. Hip gable type of construction is normally only possible where planning permission is not required.

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This is another construction to the rear of your property which has a flat roof, however, the back wall slopes inwards at an angle of 72 degrees and windows are housed in small dormers. Mansard type of loft conversions are normally constructed where planning permission is required or your property falls into a conservation area.

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