Some properties have land attached to the side which in some cases is not utilized. This space can be incorporated with your property to create extra space by building a single storey side extension. Without a doubt value will be added to your property and extra space will be created for more living space. Planning permission will be needed for this and can take a minimum of 8 weeks from your local authority. Loft Conversion Company London also offers a single storey side extension. This process is famous in North London.