A house extension typically falls under permitted development, meaning it doesn’t require planning permission. However, regulations for house extensions can differ between London boroughs. As leading house extension builders in London and the Greater London area, we possess in-depth knowledge of the planning process. We will inform you about any restrictions specific to your house or location right from the start, shaping the design of your house extension accordingly. We will also prepare and submit all the necessary documents and drawings to the relevant authorities on your behalf, including: