Singapore, Singapore

2016 - 2024

Bidadari Park

Our transformation of the former Bidadari cemetery into a vibrant public park creates a community space for residents and a sanctuary for migratory birds. Centered on an innovative nature based design and water management strategy – including a new lake – the lush design mitigates flooding, safeguards local ecosystems, and honors the site's heritage.

Project details

Client

Housing Development Board, National Parks Board, Public Utilities Board

Typology

Parks and nature restoration, Biodiversity and ecosystems, Infrastructure

Status

Located within a new public housing estate in Singapore, Bidadari Park was envisioned as a ‘community in a garden.’ The 13-hectare park has become an accessible, heritage-rich destination centered on residents’ needs for the growing community. With a uniquely contoured landscape that enhances flood protection and biodiversity, the park also serves as the cornerstone of an innovative, multi-functional drainage infrastructure for stormwater management. Its design integrates place-making and active mobility strategies to support a young, vibrant population  creating a natural, inclusive recreational space right at the doorstep of the community.​

An observation deck over Alkaff Lake gives visitors the chance to closely observe the surrounding environment. Finbarr Fallon, 2025
A key highlight of the park is the 1.8 hectare Alkaff Lake. Expanded from a former erosion control pond, the lake is home to Rain Tree Island, named after the Samanea saman tree. Finbarr Fallon, 2025

“We are honored to see another park we’ve designed in Singapore open to much excitement. Bidadari Park is an embodiment of our systems-thinking approach, enabling us to bring to life a reimagined public housing estate where the community can connect with nature whilst preserving and enhancing the habitats of the birds and other fauna.”

Leonard Ng

Director, Asia Pacific

The 100-meter-long, 19 meter wide land bridge connects two patches of mature woodlands within the estate and allows visitors to stroll along, rest and enjoy watching the fauna in its natural habitat. Finbarr Fallon, 2025

A refuge for biodiversity

Supporting over 193 wildlife species, Bidadari Park sets an example for conservation – despite its urban location. As one of only two existing woodland habitats for migratory birds on the dense island of Singapore, the use of ecological support to enhance and protect existing biodiversity is central to our design – today the park hosts more than 50% of Singapore’s migratory dryland bird species. Our planting strategy retained 84% of mature trees and added over 170 native plants. The design creates ‘passive zones’ as core areas of natural vegetation, and ‘active zones’ for park users to support community activities – sensitively balancing the human-nature coexistence to protect flora and fauna. Wildlife friendly bollard lights illuminate the path at night, reducing both light spill and wildlife disturbance. Ecological features such as snags, log piles, and boulder piles provide various bird species places to rest, nest, and forage, while a 20-meter-tall Raptor nest platform provides an additional perch and alternative nesting site for the eponymous apex predator. ​

A landmark of the site, the Samanea saman tree stands proudly on a carved-out island within the Alkaff Lake. Known as the Rain Tree Island, the land features a variety of wildflowers, ferns, and grasses, including Shepherd’s Needles and Mission Grass, which attract butterflies, bees, and birds with their nectar and seeds. Ripraps have been installed around the island to create slopes and nooks that support a variety of aquatic plants and small fish.

At the northwestern border of the park, bird species such as the Collared Kingfisher, Yellow-vented Bulbul, and Pink-necked Green have been observed along the 100-metre-long land bridge. Connecting two patches of mature woodlands within the estate, the bridge supports the movement of birds, butterflies, and visitors alike.

The Woodlands, a core habitat area of the park, features logs and stumps from fallen trees that support ecological regeneration. The decaying wood enriches the soil, creating damp shaded conditions where moss, ferns and fungi thrive. Finbarr Fallon, 2025
The Bidadari woodlands is further restored and enhanced to form a wider range of flora diversity, structure, and layers. Varying habitat fringes redefine the transitions edges and niches in between the woodlands to promote and encourage regenerative landscape, biodiversity movements and species count.

Supporting stormwater management

The 1.8-hectare lake is a first-of-its-kind multifunctional drainage infrastructure, capturing over 90% of the site’s stormwater through terraced wetlands, swales, marshes, creeks, and a retention pond, which boosts the estate’s drainage capacity. Situated within a topographically diverse site, Alkaff Lake holds up to 40,000 cubic meters of stormwater and doubles as a recreational space in dry weather promoting environmental awareness.

During heavy rainfall, stormwater from across the park collects in the marshland, filters through dense vegetation and flows via Ficus Hill Stream, before entering Alkaff Lake. From there, the water is recirculated through terraced wetlands, forming a closed-loop system that enhances drainage and ecological resilience. Designed with a water-sensitive urban approach, these efforts support ecological habitats, boost biodiversity, and contribute to an increase in wildlife count throughout the park.

An ephemeral marshland also forms after significant rain, collecting and directing water through the Ficus Stream and Ficus Hill Stream into Alkaff Lake.

Our design utilizes a range of nature-based solutions and water engineering techniques to create an innovative and space-efficient stormwater management system for the estate. Finbarr Fallon, 2025
Stormwater runoff travels from the upper marshlands down to the newly established Alkaff Lake. Finbarr Fallon, 2025

Natural and cultural heritage

Our design envisioned the landscape as a piece of mosaic art with unique spatial identities forming one holistic nature experience for the community. Through curated planting themes, stronger and more recognizable identities were created from the existing landscape. 

Leveraging its topographically diverse site, the park features a variety of habitats, including rolling hills paying tribute to the old Alkaff Gardens, woodlands and grasslands serving as transitional zones for wildlife to easily move across, and a Ficus grove. The park was thoughtfully planned with distinct active and passive zones, featuring over 6 km of barrier-free experiential trails and activity nodes that allow the community to share the space harmoniously with wildlife. This layout achieves a balanced co-ownership of the park, where both people and nature thrive together.​

Strategically placed observation decks and pavilions are designed to offer visitors space to rest and observe the surrounding wildlife – a feature reminiscent of the site’s pre-development bird watching experience. Children can experience nature in the city through engaging, nature-inspired play areas, including a 5-meter tree house playground near a Tembusu grove, complete with slides, climbing nets, a net bridge, and a nest shelter.​

Opening in late 2025, the new Memorial Garden will honor the site’s heritage as one of Singapore’s oldest cemeteries. Christian, Muslim, and Hindu artefacts will be preserved showcasing the nation’s rich combination of cultures.

Many young families have chosen Bidadari Estate as their home. The park's Adventure Playwoods offers various family-friendly and nature-inspired features for both residents and visitors. Finbarr Fallon, 2025

Contact

All contacts
Leonard Ng

Director, Asia Pacific

leonard.ng@henninglarsen.com
Portrait of Jiaxin Chum

Studio Director

chjx@henninglarsen.com

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