Moroccan architecture for building standards which directly affected the architecture at that time, as follows: The building regulations maintained the country's preexisting architectural features and balanced the rapid urbanization. The Riad also known as Dar is the Moroccan traditional house, which normally has two or more storeys around a courtyard. Villas are larger stand-alone housing in the urbanized area which do not need to follow traditional architectural style. Arches, most often the horseshoe arch are used in almost every aspect of Moroccan housing whether it is doors, entrances, windows or niches. Domes are often integrated with altars or commemorative monuments as well
The Courtyard of a House in Delft can be seen in the "Courtyard with an Arbour", also dated 1658, which sold at Christie's in London in December 1992 for £4.4 million. There are some subtle effects that are at variance with the overall impression of harmony. The brickwork of the wall on the right is dilapidated compared to the house on the left; there is an interesting double perspective that differentiates the two halves that are divided by the right edge of the archway and building above. Nature is making incursions to the well swept courtyard from the plant border on the right, including the shrub above