NSW planning and development intelligence
50 NSW State Significant Development Updates – 17 August 2026
This weekly review tracks new NSW State Significant Development applications, projects entering public exhibition and applications moving to determination.
Weekly SSD activity summary
New Projects
11New SSD applications recorded in the NSW planning system this week.
Lake Munmorah Battery Energy Storage System
The application proposes the construction and operation of a Battery Energy Storage System (BESS) at the existing Ausgrid Lake Munmorah 132kV Zone Substation in NSW, with up to 100 MW power output capacity and a 4-hour duration (up to 400 MWh), including associated infrastructure such as battery containers, transformers, control buildings, and underground cabling.
Mixed Use Development at 42-48Railway Street, Woy Woy
The current application proposes a mixed-use residential development at 42-48 Railway Street, Woy Woy, including approximately 127 apartments within a up to 16-storey building, commercial floor space on the ground level, adaptive reuse of the heritage-listed Woy Woy Masonic Hall, and a minimum 15% of residential GFA as affordable housing.
Co-living housing (student accommodation) -78-80 Parramatta Rd Parramatta
12 storey shop-top housing development comprising ground floor non-residential floor area, 223 co-living housing units (student accommodation), and a caretaker unit.
Mixed Use Development – Hampstead & Parramatta Rds
The application proposes a mixed-use development comprising three mid-rise towers with approximately 290 residential dwellings, retail, commercial spaces, and a child care centre, including a rezoning to MU1 Mixed Use and increased height and floor space ratio with contributions to affordable housing and public benefits.
1-15 Byrnes, 31-41 O’Hara St & 20-22 Central Av, Marrickville
The current application proposes demolition of existing structures and construction of a new residential flat building and terrace housing in Marrickville, including public domain upgrades and affordable housing.
Pacific Highway & Berry Road Mixed Use Development
The current application proposes the redevelopment of an underutilised site at 66 Pacific Highway and Berry Road, St Leonards, for a mixed-use shop top housing development comprising residential apartments (with 5% affordable housing), commercial and medical uses, and supporting infrastructure including a four-level basement, podium, public domain works and potential through site link.
Mixed Use Development at 64-76 Brunker Road, Broadmeadow
The current application proposes a mixed-use development comprising residential flat buildings at 64-76 Brunker Road, Broadmeadow, featuring two towers of about 8 storeys above a 2-storey podium with 185 dwellings including 10% affordable housing managed by a Community Housing Provider for 15 years.
Residential Flat Building – 45-47 Elimatta Road and 1667- 1671 Pittwater Road Mona Vale
The current application proposes a residential flat building development at 45-47 Elimatta Road and 1667-1671 Pittwater Road Mona Vale, involving demolition of existing structures and construction of a three to seven storey building containing approximately 118 dwellings with 5% affordable housing.
Burgmanns Battery Energy Storage System
The current application proposes the construction and operation of the Burgmanns Battery Energy Storage System, a grid-scale lithium-ion battery energy storage facility with up to 200 MW capacity and up to 1600 MWh output, including a 132 kV underground transmission line connecting to the existing Tamworth substation and associated infrastructure at Calala, NSW.
Wala Wala (Dungowan Valley) Pumped Hydro
The Wala Wala Pumped Hydro Energy Storage Project proposes a high-capacity 300 to 400 MW pumped hydro facility with 3,000 MWh storage capacity, featuring two off-river reservoirs, an underground pipeline and powerhouse, water supply from Dungowan Dam via a pipeline, and connection to the national grid.
Mixed-use development Grand Parade Casuarina beach
The application proposes a two-staged mixed-use development at Casuarina Town Centre comprising residential apartments and complementary commercial uses including retail, food and drink premises, and office tenancies, designed to create a vibrant town centre atmosphere.
Entered Exhibition
2SSD applications that entered the public exhibition stage this week.
South Pozieres Residential Aged Care Facility
The application proposes the development of the South Pozieres Residential Aged Care Facility as seniors housing at 86 Pozieres Avenue, Umina Beach.
Mixed-use development, 51-55 Parramatta Road
The current application proposes a mixed-use development at 51-55 Parramatta Road, Five Dock, comprising approximately 674 dwellings across four buildings including shop top housing and a co-living/Build-to-Rent building, with 7.5% of residential floor space as affordable housing, retail premises including a full-line supermarket, and public domain improvements.
Moved to Determination
3SSD applications with a determination recorded this week.
Banks Avenue, Pagewood, Affordable Housing
The application proposes demolition of existing buildings and construction of new residential flat buildings at 68-80 Banks Avenue, Pagewood, comprising 224 dwellings including 84 social housing units and 140 private market units, with associated landscaping, infrastructure, and staged delivery.
Beauchamp Road, Hillsdale, Affordable Housing
The application proposes demolition of existing structures and construction of two residential flat buildings of 7-8 storeys comprising 179 social housing dwellings with associated landscaping, communal open space, car parking, and infrastructure servicing at 68-80 Beauchamp Road, Hillsdale.
Abel Tasman Village Seniors Housing
The current SSD-49937206 application proposes the redevelopment and expansion of Abel Tasman Village, a seniors housing project in Chester Hill, including a concept plan for four buildings up to 8 storeys and construction of three buildings in Stage 1 with a combined total of 120 residential care beds and 64-66 independent living units, plus ancillary services and basement parking.
