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Open-plan design for One Tree Hill by ONG&ONG


Singapore-based architectural practice, ONG&ONG, has designed the One Tree Hill project. Completed in 2012, the luxury home is located in Singapore City, Singapore.

The property was in a worn down state and needed sprucing up to bring it into the 21st-century. The architecture and interior design teams worked together to bring the property back to life. The home oozes contemporary chic with an open-plan and minimalistic feel.


Teo Boon Kiat, architecture team director, said to Adelto: “After understanding the client’s brief and budget, we recommended a reconstruction approach, which retained most of the structural elements.” Taking this approach allowed the architects and interior designers to complete the project within budget and ahead of schedule.

Another challenge the team faced was working with the original structure of the building. “The original structure grid, which was more conventional, posed a challenge for us when planning big, fluid spaces to suit the client’s lifestyle,” Kiat adds.


In the initial stages of design, both the architecture and interior design teams worked with the client to recreate the house as an entertainment home that suited the client’s lifestyle.

Natalie Louey, interior design director, said to Adelto: “Spaces needed to be open and fluid, and allow for the easy merging of indoor and outdoor spaces. As the house was originally two-storied, we saw an opportunity to create a large void with a mezzanine that further enhanced the openness of the living area.”

Once the new structure of the property was established and potential of the spaces, the interior design was completed. “The design was kept clean and minimalistic to enhance the proportions of the interior that was already created by the architecture,” Louey said.

“From an interiors perspective, the entertainment area is the most impressive part of the house as is the master en-suite,” adds Louey.


The master en-suite is an Adelto favourite.  It has a luxurious freestanding bathtub and rain-shower cubicle, with the added luxury of a large built-in dressing table that displays the client’s fabulous perfume collection.

Kiat adds that the the silver Travertine-cladded, main front facade and the double volume height folding doors, which can be fully folded and hidden away when the client wishes to open up the living room to the reflective pool, stand out most for him in the property.


This house at One Tree Hill is designed to cater to the homeowner’s unique needs. The architectural layout includes a double volume space in the living area that opens out into a beautiful garden and water feature. This seamless blending of indoor and outdoor spaces is evident in other sections of the house as well, with the kitchen similarly looking out into a quaint outdoor lounge area.

The interior design finishes are restful, with contemporary furnishings adding a modern look to the space. On the upper floor are the master bedroom with walk-in wardrobe and an additional guest room, both en-suite. Each room is covered in neutral tones for an added sense of serenity. In essence, this house’s interior design nicely complements its architectural features to create a warm and tasteful home that embraces the wonders of nature.

Images courtesy of See Chee Keong

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December 19, 2013 | Property | View comments

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