Thornhill Park
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Thornhill Park


Welsh Group




  • Greenfield

Thornhill Park is a 100 hectare, masterplanned community situated 30 minutes away from Melbourne’s CBD.

Consisting of approximately 1,270 lots in the first stage of its completion, Thornhill Park is the first major development to be built to the south of the Western Highway.

Spiire was appointed to provide a full range of services for the project as well as the design and construct program.

Its location led to many challenges, which required an integrated approach to bring main services to the site from over 800 metres away.

We were tasked to create significant water infrastructure solutions that could manage a divided floodway, two retarding basins plus allow for Class A recycled water to irrigate all parks, reserves and sports ovals.

Two new intersections connecting the community to the Western Highway also needed to be designed and built. In collaboration with VicRoads, we’ve created access using two new acceleration and deceleration lanes and also have approval for a unique culvert crossing, the first of its kind in Melbourne.

Another significant achievement was the construction of a modern, architecturally designed wall, 2.2 kilometres in length and 8.5 metres high, which blocks out noise from the Western Highway.

Our landscape architecture team have also designed and overseen the development of a full-scope, active masterplan that includes wide-open spaces with facilities for sporting and recreational activities.

From planning permit approval, the developer has required an accelerated design and construction program, which has been successfully managed by our team, on time, on budget and to our usual exacting standards.

Partly developed, Thornhill Park has already proved to be a significant addition to Melbourne’s thriving northwest corridor.

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