SharePoint House rental Web Part

The task is to build a Web Part that can handle the rental of houses. I need a webpart that works almost in the way that the Gantt overview works See Image 1; [login to view URL] The look and feel should be like a standard Gnatt chart, see image; [login to view URL] There are 3 lists: 1. The houses (Custom list) 2. The tenants (a standard Contact list for a those who rent) 3. The periods (a standard Task list, with lookup fields to the House list(title) and a lookup field to the periods(Full name)) Hovering over a period should show the length of the period, the tenants details. Clicking on a free period should bring you to a link that is configruable in the settings. The web part properties should be similar to the once in the picture, se image: [login to view URL] I have additional requirements for settings You should also pack the project as a ready to go .WSP file