Master room builder required in Tuwaiq

Master room construction required, 4x5 meters, bathroom 2x3 meters in the annex (third floor) Al-Musa, Tuwaiq. No need for foundations, connects to the building. I need to know the estimated cost including full finishing (turnkey delivery). I want the strongest types of insulation for ceiling, walls, and floors (sound and heat). Hotel-style concealed plumbing for the bathroom. Concealed water heater inside the ceiling. Double-glazed black windows. Door of the best available type in the market. The room's ceiling is sloped with expenses for it to drain rainwater. Copper piping installed for split AC with internal drainage for the split unit. Electrical outlets in every corner of the bed area. Outlets in every corner of the room and bathroom. Best quality plumbing and electrical fixtures—lighting, outlets, and black plumbing only. 🚨🚨 Written warranties required for all work 🚨🚨 Initial contact here 👈 until agreement is reached License Number : 50009407