KHI House by Lassa Architects

”X” enclosed by continuous curved wall

Project Specs


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Appreciation towards Lassa Architects for providing the following description:

项目坐落于Peloponnese南部一片平缓倾斜的橄榄林中,由Lassa Architects事务所(伦敦/布鲁塞尔)的建筑师 Theo Sarantoglou Lalis 和 Dora Sweijd 设计。

KHI is located in a gently sloping olive grove in the southern Peloponnese. KHI was designed by London and Brussels based architects Theo Sarantoglou Lalis and Dora Sweijd from LASSA architects (

▼项目与周边环境概览,overall of the project and surrounding environment © NAARO


▼分析图,diagram © Lassa Architects

The project is formed by a single continuous rippling wall that frames a series of protected courtyards at the extremity of each wing. The X-shaped massing divides the site into four distinct areas providing the eastern gardens with visual intimacy and variable shading throughout the day. The wall surface is animated by cast concrete ripples whose amplitude diminishes along the length of the facade. The course of the sun creates a play of shadows throughout the day. The rippling wall acts as a backdrop for tree shadows.

▼主入口一侧鸟瞰,aerial view of the entrance side © NAARO

▼西南侧鸟瞰,aerial view from the south-west side © NAARO


The height of the project is constrained to the peak of the surrounding olive trees, whilst maintaining panoramic views to the sea from an accessible roof terrace. In its deployment, the wall elevation varies as it is gradually sunken into the terrain, tapering the height of the facade to 1.2m at the end of each wing. The excavated earth was recuperated to create a tapered transition enabling a softer integration of the project within the agrarian landscape.

▼墙体的高度由中心到四周不断下降,the wall elevation varies as it is gradually sunken into the terrain © NAARO

▼主入口,entrance of the house © NAARO

Theo Sarantoglou Lalis说:“KHI住宅将两种极致的景观氛围结合在一起,东翼的庭院为人们提供了沉思的封闭空间,而西翼的露台与屋顶平台则带给人们广阔的海景;这两种景观视野,一静一动、一近一远,相互对立又相互补充。”

“KHI combines two extreme conditions which complement one another – the courtyards that provide meditative enclosure, and the west wing and roof that, in contrast, offer unobstructed panoramic views towards the sea.” says Theo Sarantoglou Lalis.

▼屋顶天台,accessible roof top © NAARO

▼流畅的曲面女儿墙与广阔的海景,Fluent curved parapet with expansive sea views © NAARO


The west wing contains the public areas as well as a large opening towards the sea and the south terrace. Internally, each room is extended by a terrace and courtyard. The room wall projects outward and folds to frame a lemon tree. The absence of corners and the continuity of the wall provide spatial expansion. The curved walls frame the changing sky colour and light, inducing a strong presence of the sky within the interior.

▼公共生活区,public areas © NAARO

▼厨房与封闭庭院与开放露台,Kitchen with enclosed patio and open terrace © NAARO

▼生活区外侧是面向大海的大型半室外露台与南向的泳池露台,large opening towards the sea and the south terrace © NAARO

“KHI住宅的业主是一对艺术收藏家夫妇,因此建筑结合了画廊、修道院以及封闭花园的设计元素。”Theo Sarantoglou Lalis解释道。

“KHI was commissioned by an art collector couple and combines elements of a gallery typology with a monastery typology of enclosed gardens,” says Theo Sarantoglou Lalis.

▼每个房间都带有小庭院,Each room has a small courtyard © NAARO

▼房间的墙壁向外延伸,轻柔地环抱住一棵稚嫩的柠檬树,The room wall projects outward and folds to frame a lemon tree © NAARO

▼庭院中变化的天光与色彩,The changing light and color of the sky in the garden © NAARO

项目由当地承包商承建,并得到了Lassa Architects事务所在数字设计与非标准零件制造方面经验的支持。此外,项目的合作方还包括一家专门从事聚苯乙烯产品生产的公司,该公司业务广泛经验充足,从基础设施建设到渔业产品均有涉猎。项目中,许多重要的建筑元素需要通过数字化热线切割技术完成,并需要大量的定制构件,例如:用于浇筑波纹墙的混凝土模板、集成在天花板内的定制照明灯具、景观小品,以及定制家具等。多方的紧密合作使这些配件可以在异地生产,保证了建造的进度。

The project was constructed by local contractors supported by LASSA’s experience with digital design and fabrication of non-standard parts. The architects collaborated with a company specializing in polystyrene products ranging from infrastructure to the fishing industry. This strategy enabled the off-site production using digital hot-wire cutting of important constructive elements such as the concrete formwork used to cast the rippling wall, bespoke lighting elements contained within the ceiling, landscape formers as well as bespoke furniture items.

▼如同画廊一般的走廊,Gallery like corridor © NAARO

▼室内细部,details of interior © NAARO


The lightness of the formwork enabled ease of transport and installation in a couple of days by a reduced team. Following the casting of the concrete, all the formwork was then re-cut into sheets and reused as insulation within the wall cavity and ceiling. This strategy allowed for a minimal use of industrially produced building parts, instead favouring a local supply chain. The project made use of locally sourced materials such as concrete, and terrazzo amongst other products from the local marble industry.

▼墙面细部,details of the exterior wall © NAARO

▼总平面图,master plan © Lassa Architects

▼平面图,floor plan © Lassa Architects

Project Name:KHI House
Location:Methoni, Greece
Area:200 m2
Design Architect:LASSA – Theo Sarantoglou Lalis and Dora Sweijd, with Jonathan Cheng (project Architect) , Nikolas Klimentidis, Jocelyn Arnold, Raz Keltsh
Local Architect:V. Kosmopoulos
Structural Engineer:Metep – L. Babilis
Formwork production Design:LASSA
Mechanical Engineer:D. Mantas
General Contractor:V. Spyropoulos
Formwork production:Rizakos
Floor finishes:Votsalota – Zoidis Polyzois
Marble:The Art of stone – D. Paraskevas
Steel Window frames:TD.Steel – D.Detilleux
Aluminium Window frames:Alumet-petroulakis / Valvis
Mechanical systems:Fourseasons-Klimaengineering
Electrical systems:V. Psicharis
Facebook:Lassa Architects
Photography:NAARO (

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