Westfield Tea Tree Plaza
A major shopping centre serving Adelaide's north-eastern suburbs from Modbury, South Australia.
Last updated August 25, 2026
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Overview
Westfield Tea Tree Plaza, commonly called Tea Tree Plaza or TTP, is a large suburban shopping centre in Modbury, in the City of Tea Tree Gully in South Australia. It functions as the principal retail and services hub for Adelaide's growing north-eastern suburbs and is closely connected to the metropolitan transport network through the Adelaide O-Bahn Busway. The Tea Tree Plaza Interchange terminates beside the centre, giving the complex a role that extends beyond conventional shopping and making it an important destination for public-transport users from the north-east of Adelaide. The centre opened in September 1970 after being developed by Myer as part of a large subdivision of what was then the largest remaining undeveloped, non-industrial tract in metropolitan Adelaide. Its creation helped establish Modbury as a significant suburban activity centre. Over time, the complex developed from a department-store-led shopping centre into a broad retail and entertainment precinct containing fashion, grocery, department-store, consumer-electronics, beauty, dining and cinema uses. Major tenants identified with the centre include Myer, Harris Scarfe, Target, Kmart, Big W, Woolworths, Coles, Aldi and Hoyts. The main centre has been described as containing approximately 245 stores and as the second-largest shopping centre in Adelaide, behind Westfield Marion. A smaller associated building, Tea Tree Plus, lies just north of the main centre and has been considered in several redevelopment proposals. Ownership and management arrangements have changed or been described differently over the centre's history. In November 1994, AMP Capital acquired Coles Myer's 50 percent interest, and historical descriptions identify the centre as being held in equal shares by AMP Capital and Scentre Group. The Westfield brand and the current official digital presence are associated with Scentre Group, while the precise present-day ownership structure is not established by the supplied reference material. Tea Tree Plaza has undergone repeated planning and refurbishment efforts. A proposed A$190 million expansion announced in 2006 was intended to incorporate Tea Tree Plus, add roughly 95 stores and provide a four-storey car park. The proposal encountered delays, including lapses and extensions of planning approval, and was subsequently reconsidered with a smaller two-storey parking solution. In 2017, a further A$235 million precinct upgrade was announced. Its planned elements included improvements to the entrance and food court, an upgrade of the Hoyts cinema to a Lux-format venue, and additional retail capacity. The first stage was completed in October 2018, with the wider program intended to add as many as 95 shops over five years and attract international retailers such as H&M and Uniqlo. The centre continued to evolve in the 2020s. After Myer decided to reduce its store footprint by one floor, JB Hi-Fi, Mecca, and a combined Timezone and Zone Bowling entertainment venue opened on the ground floor in 2024. These changes reinforced the centre's blend of essential retail, specialty shopping and leisure experiences. Today, Tea Tree Plaza remains an active regional shopping destination, although detailed current store counts, ownership information and operating metrics are not established in the supplied sources.
History
Westfield Tea Tree Plaza was established as part of the suburban expansion of Adelaide's north-east. Myer developed the centre during a period when the Modbury area contained a large expanse of undeveloped, non-industrial land. The centre opened in September 1970 and helped create a substantial commercial focus for the surrounding districts within the City of Tea Tree Gully. Its location became particularly significant because of its connection to the Adelaide O-Bahn Busway. The Tea Tree Plaza Interchange terminates beside the centre, linking it directly with Adelaide's public-transport system and supporting its role as a regional destination rather than merely a neighbourhood retail strip. Over subsequent decades, the centre expanded its tenant mix to include department stores, supermarkets, apparel retailers, specialty shops, food outlets and entertainment facilities. A significant ownership change occurred in November 1994, when AMP Capital acquired Coles Myer's 50 percent share. Historical accounts subsequently described the centre as jointly owned in equal proportions by AMP Capital and Scentre Group. The supplied sources do not establish whether that arrangement remains unchanged, so the current ownership position is left unspecified here. The centre continues to operate under the Westfield identity and is presented through Scentre Group's Westfield network. Redevelopment has been a recurring feature of Tea Tree Plaza's history. In 2006, a A$190 million plan was announced to bring the neighbouring Tea Tree Plus building into the broader precinct, create approximately 95 additional stores and add a four-storey parking structure. The scheme faced planning and implementation delays. Building approval reportedly lapsed more than once, and later proposals considered reducing the parking element to two storeys. The redevelopment remained under discussion for several years rather than proceeding as initially announced. In May 2017, a new A$235 million upgrade plan was reported. This program focused on modernising the existing centre, upgrading the Hoyts cinema to a Lux-format venue, improving the entrance and food court, and expanding the retail offer. The first stage was completed in October 2018. The broader vision was expected to deliver up to 95 new shops over five years and to improve the centre's appeal to major international tenants, including H&M and Uniqlo. The centre's tenant and entertainment mix continued to change in 2024. Myer reduced its occupation by one floor, creating space for JB Hi-Fi, Mecca and a combined Timezone and Zone Bowling operation on the ground level. These changes illustrate the ongoing shift from traditional department-store dependence toward a more diversified combination of retail, services, leisure and family entertainment. Tea Tree Plaza has been described as containing about 245 stores and as Adelaide's second-largest shopping centre after Westfield Marion. A smaller building called Tea Tree Plus sits north of the main centre. The complex remains the principal shopping hub for Adelaide's north-eastern suburbs, but detailed current figures for tenants, ownership, floor area and visitor numbers are not supplied by the available reference material.
- 2024
New ground-floor tenants and entertainment venue open
[1]After Myer reduced its store footprint, JB Hi-Fi, Mecca and a combined Timezone and Zone Bowling venue opened on the ground floor.
- 2018
First upgrade stage completed
[1]The first stage of the later refurbishment program was completed in October.
- 2017
A$235 million upgrade program announced
[1]The announced precinct upgrade included improvements to the Hoyts cinema, entrance and food court, together with additional retail capacity.
- 2006
Large-scale expansion proposed
[1]A proposed A$190 million project aimed to integrate Tea Tree Plus, add roughly 95 stores and build a four-storey car park.
- 1994
AMP Capital acquires a major ownership stake
[1]AMP Capital purchased Coles Myer's 50 percent interest in the centre.
- 1970
Centre opens
[1]Myer-developed Tea Tree Plaza opened in September in Modbury, establishing a major retail hub for Adelaide's north-eastern suburbs.
Products and positioning
A large regional shopping and entertainment centre serving Adelaide's north-eastern suburbs, combining department stores, supermarkets, specialty retail, dining, cinema and family entertainment with direct access to the O-Bahn Busway.
Retail property and consumer services · 1970
Regional shopping-centre services
Tea Tree Plaza provides a concentrated retail and services environment for Adelaide's north-eastern suburbs. Its offer spans department stores, supermarkets, fashion, consumer electronics, cosmetics, dining and entertainment. The centre's direct relationship with the O-Bahn Busway also makes transport access an important part of its practical proposition.
Retail · 1970
Retail and grocery tenant mix
The centre has hosted a broad range of major retailers, including Myer, Harris Scarfe, Target, Kmart, Big W, Woolworths, Coles and Aldi. These tenants provide department-store merchandise, apparel, household goods and everyday groceries, giving the centre both destination-shopping and convenience-shopping functions.
Entertainment · 2017
Cinema and entertainment precinct
Entertainment has become an increasingly visible part of the centre's proposition. Hoyts has been upgraded toward a Lux-format cinema concept, while the 2024 opening of a combined Timezone and Zone Bowling venue added family-oriented games and bowling to the retail mix. These facilities support longer visits and broaden the centre beyond shopping.
Brand decisions
2024
Reallocation of space after Myer footprint reductionStrategyBackground
Myer reduced its store by one floor, creating an opportunity to diversify the tenant and leisure mix.
Action taken
JB Hi-Fi, Mecca and a combined Timezone and Zone Bowling venue opened on the ground floor.
Aftermath
The change increased the centre's emphasis on specialty retail, consumer electronics, beauty and family entertainment.
2017
Precinct modernisation and retail expansionStrategyBackground
A new redevelopment approach followed the delays affecting the earlier expansion proposal and focused on refreshing the existing centre while increasing its entertainment and specialty-retail appeal.
Action taken
A A$235 million upgrade program was announced for the cinema, entrance, food court and wider retail precinct.
Aftermath
The first stage was completed in October 2018. The program was expected to support as many as 95 additional shops over five years and attract retailers such as H&M and Uniqlo.
Announced upgrade investment. A$235 million announced program (2017)
2006
Proposed integration and expansion of Tea Tree PlusStrategyBackground
The centre sought to expand its regional role by incorporating the nearby Tea Tree Plus building and increasing its retail and parking capacity.
Action taken
A A$190 million expansion was announced, including approximately 95 additional stores and a proposed four-storey car park.
Aftermath
The proposal encountered prolonged planning delays, with approvals reportedly lapsing and later parking plans being reconsidered. The full project was not documented as completed in the supplied material.
Proposed investment. A$190 million proposed expansion (2006)
Recent events
- 2024
New entertainment and specialty retailers open after Myer footprint reduction[1]
Product launch
Following Myer's decision to reduce its store by one floor, JB Hi-Fi, Mecca, and a combined Timezone and Zone Bowling venue opened on the ground floor.
- 2018
First stage of precinct refurbishment completed[1]
Other
The first stage of the announced upgrade program was completed in October, with further retail additions planned over the following years.
- 2017
New precinct upgrade announced[1]
Other
A further A$235 million upgrade program was announced, covering the cinema, entrance, food court and additional retail space.
- 2006
A$190 million expansion proposal announced[1]
Other
A proposed expansion was intended to integrate Tea Tree Plus, add approximately 95 stores and construct a four-storey car park.
- 1994
AMP Capital acquires Coles Myer's stake[1]
M&A
AMP Capital purchased Coles Myer's 50 percent interest in the centre, leading historical sources to describe the property as being jointly held by AMP Capital and Scentre Group.
- 1970
Tea Tree Plaza opens in Modbury[1]
Other
The shopping centre opened in September 1970 after being developed by Myer as part of a major subdivision in Adelaide's north-east.
Sources3 sources
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