架构师提供的文本描述。这是一个750平方米的不规则地块，在Retamar，一个低密度的住宅区，离市中心有一段距离。它有规划许可，1层的地面层，最大表面积为150平方米。然而，业主们有兴趣建造双倍这一允许的表面。

Text description provided by the architects. This site was a 750m2 irregular plot in Retamar, a low density residential area some distance from the city centre. It had planning permission for 1 story at ground level with a maximum surface area of 150 m2. The owners however, were interested in constructing to double this allowed surface.

解决办法是挖出一个大露台，一层楼高。在此基础上，种植了一个圆形和简单的体积，符合规则，强调的想法，一个盒子支持在两边。

The solution was to excavate a large patio one full storey high. Over this a round and simple volume is planted that complies with the regulations and which stresses the idea of a box supported at the sides.

 © Jesús Granada

(Jesús Granada)

房子的入口处和卧室都建在底层的楼层里。地下室层是一个开放的居住空间，面向挖掘的露台。一个双高度区域连接两个层次，创造了一个空间，使房子。

The entrance to the house and the bedrooms are built into the storey at ground level. The basement level is dedicated to an open living space which faces the excavated patio. A double height area links the two levels creating a space that articulates the house.

 © Jesús Granada

(Jesús Granada)