A cost effective solutions to achieve a contemporary cottage environment without the need for real stone. Wallpapers have advanced and can look realistic with applied textured too. Any image can be created but there are currently hundreds on the market at low costs.
Creating a wooden frame and doors will also reduce the need to demolish what is currently already there. Doors would use a push door latch to prevent the need for door handles, meaning when doors are closed it creates an illusion of them not being there.
Example of stone wallpaper