Functions
When only the best will do
With inspirational architecture, culture and cuisine, the unique spaces throughout the buildings and diverse collection of restaurants offer an impressive backdrop for every occasion.

Petition Beer Corner
Designed for the inquisitive, with its many layers of history and offering 18 individual craft beer taps.

The Mark
A versatile and intimate function space with sweeping views over Stirling Gardens.

Halford
With decadent surrounds reminiscent of another era, celebrate with cocktails at Halford.

Halford Lounge
With plush velvet lounges and theatre lights that sprays the walls, celebrate with cocktails at Halford.

Halford Bar
Sip cocktails, graze on snacks, float around tables and celebrate with friends at Halford Bar.

Petition Kitchen Terrace
Al fresco cocktail or dining functions at Petition Kitchen's open air terrace.

Postal Hall
With its inspiring, mood-lifting feel and grand architecture, the Postal Hall is at the heart of the State Buildings.

Petition Kitchen Dining Room
A relaxed inner city dining hub, celebrating local and seasonal produce.

Petition Wine Bar & Merchant
An intimate function space overlooking the iconic Postal Hall, lined floor to wall with rare wines.

Long Chim
Experience authentic Thai flavours with exclusive use of Long Chim restaurant.

Long Chim Bar
Experience the theatre and excitement of the Long Chim Bar with Thai inspired cocktails and snacks.

Long Chim Courtyard
The famed high walled, heritage courtyard at Long Chim, featuring Thai street art and light projections.


Wildflower
COMO The Treasury's destination restaurant serving Western Australian cuisine.

Wildflower Private Dining Room
An intimate venue within Wildflower with sweeping views across Perth.

Executive Boardroom and Library
Designed to host meetings, presentations and working lunches.

The Treasury Lounge and Bar
An elegant space for cocktail functions and afternoon tea.

Long Chim Dining Room
Filled with the fun and energy of the Bangkok streets, taste Long Chim's authentic Thai menu.


Post Small Private Dining Room
An elegant private dining room serving Italian classics in an intimate setting.

Post Large Private Dining Room
A large private dining room serving Italian classics, suitable for dinners and functions.

Long Chim Den
Long Chim's niche, hidden dining and party space, for authentic Thai food and cocktails with friends.