Terraced House
L-Shaped Dormer Loft Conversion

A L-shaped dormer loft conversion is one of the most common ways to expand your bedroom, bathrooms and usable space in a L-shaped Victorian terraced house.

A L-shaped loft dormer conversion consists of cutting a hole in the rear elevation of your roof space and removing the pitch and squaring off the roof at the back at the same time creating a ‘box’ on top of the L-shaped return of the building. A L-shaped dormer loft conversion has vertical walls and a horizontal ceiling on the front side of the building and typically consists of two rooms on split levels and a bathroom. It is the most common type of loft conversion, as the flat roof dormers often add the maximum amount of additional space.

The process of undertaking a L-shaped dormer loft conversion involves scaffolding the front and back of the house, installing a steel at the apex of the roof, strengthening the existing floor joists and installing VELUX windows on the front elevation. A timber framed box is then formed on the return side of the building. Stairs rise from the landing on the first floor with a half turn and landing to access the rear dormer. The internal space is then insulated and decorated to create two great bedroom spaces and an en-suite bathroom.

Typically a dormer loft conversion adds two light and airy bedrooms in the loft space with an en-suite shower or bathroom for the larger of the two bedrooms.

In almost all cases, L-shaped dormer loft conversions can be achieved without going to planning.