Estimating Bathroom Remodel Costs. Determining your budget could be tricky when planning your renovation.A large factor in determining cost will be the size of your bathroom, ranging from small to medium or master bathroom size. By understanding the average costs of a kitchen remodel, homeowners can know what to expect to pay for your kitchen remodeling project. For help, ImproveNet can connect you with local kitchen remodeling contractors. HomeAdvisor’s House Remodel Cost Guide lists prices associated with renovating multiple rooms including labor and materials, as reported by HomeAdvisor customers. Sears bathroom remodeling. A bathroom remodel is one of the most common home improvement projects. It is an easy and cost-efficient way to increase the appeal of your home. Average bathroom remodels fall between $9,600 to $11,000 in costs. A low-end remodels typically cost around $2,500 while high-end remodels cost around $23,000. .