First carbon-negative house in Singapore


Named after its owner, Belinda Young, the ‘B House’ will be named as the first carbon-negative residential house in Singapore, designed by Pomeroy Studio. In addition to its state-of-the-art energy efficiency features, the house vows to produce more energy than it uses, resulting in a net surplus of energy.

Stated as one of the most sustainable modern homes in Singapore, the owner of the B House was sought to push the boundaries in sustainable design for a private commission of two family bungalows in Bukit Timah, Singapore. The home promises its occupants that they would never need to pay for energy bills, and water bills are greatly reduced.

The B house was inspired by Asia’s first carbon-zero prototype home in Malaysia, the Sime Darby Idea House designed by the same company. Pomeroy applied many design techniques used in Singapore’s colonial black-and-white bungalows but applied more passive design techniques as an effort to showcase its energy efficient features.

Considering Singapore’s hot climatic conditions, Pomeroy applied a ‘form-matching-climate” to the housing design concept to promote the efficiency of energy and water usage. The design orientation and position were presented with natural airflow and daylight penetration. This allowed designers to minimize heat from the sun – reducing solar heat gain and maximizing cross ventilation through wind.

To regulate better airflow, the facades have low, medium and high-level windows and shutters surrounding the building. Not only do the shutters open and close in multiple configurations to prevent rain, they provide shade in different climatic seasons.  Daylight penetration is optimized through shallow floor plates, enabling rooms to receive 100 percent natural light.


A water harvesting equipment had been set up to save up to 465 cubic meter water per year. A low eco-toxicity, high recyclable content and pre-fabricated material were also used during construction, aiming to improve quality and reduce wasteful off-cuts.

By applying a 100 square meter size of large polycrystalline photovoltaic solar panels on the rooftop of the house, B House can absorb the radiance of the city’s tropical sun and generate twice the energy than a general equipment, which is expected to be around 16,720 kWh per year.

Adding to the house’s strong sustainable elements, the B House was recently awarded with the Building Construction Authority’s (BCA) Green Mark Platinum Award, the highest recognition for eco-friendly buildings in Singapore.

According to Jason Pomeroy, the future of sustainability does not focus solely towards technology, but culture and tradition to create built environments that are carbon-free and reflect the quality of lives for its citizens.

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