Remake of bathroom

Hi, i have a bathroom of approx 8 sq meters. It has tiles on floor and some plates on the side walls. i need to remake the whole bathroom with new flooring and heating. Side walls complete new and with tiles. New toilet and new shower. Also along with new wash basin, mirror, some storage and exhaust and ventilation. In all a complete make over. Please send me the best quotations and the time required for same. i also have a washing room with all the drain pipes and water pipes in it. i need an extra shower, washbasin and toilet in that place.