I would like to hire an Architect

Hello, WE have a plot of land we would like to owner / build in south west of sydney, and we are seeking a quote for house design, plans including structural drawings for our owner builder process. We are working to a timeline and need to have the slab started by end of September 2017. We need the plans submitted to Camden council by Beginning-mid June, which leave approximately 1-1.5 months to design the plans. We are working to a budget, and time frame, would you be available to start straight away to meet this time frame? Would you please submit a quote to do the following? We have the following Information to help you to complete the quote : - site plan - contour plan - Building guidelines from Harrington Grove estate - some house facade designs we are interested in The house design we require includes the following elements: - 4 bed plus study (that can be a 5th bed if required) - open plan living / lounge / dining with VOID overlooking the open plan living area - skillion roof / modern unique design - modern skylights (?) - 2.5 garage - large alfresco decked area - 42 sq metre house approx with budget of about $450,000