Terrace properties often have space at the side of the property that leads into the garden. Terrace homes were traditionally designed with a living room at the front which flowed into a dining area and then onto a long kitchen that led to a bathroom at the back.
The access into the garden was placed in the kitchen usually as a side door, however modern architectural designs see more homeowners looking for patio doors at the end of the ground floor that lead straight out into the garden.
Having the doors at the back of the property means that the light can flow directly through the length of the home with a streamlined effect. This also gives terrace properties the illusion that there is more space as the interior feels open and bright. Having the doors located so that they are facing the garden at the back often creates more space internally and the walls can be utilised more efficiently.