How quiet would this pc build be?

Here is the list:

PCPartPicker part list / Price breakdown by merchant

CPU: Intel - Core i7-7700 3.6GHz Quad-Core Processor (£271.14 @ Aria PC)
Motherboard: Asus - PRIME B250M-A Micro ATX LGA1151 Motherboard (£69.84 @ Aria PC)
Memory: Corsair - Vengeance LPX 16GB (2 x 8GB) DDR4-2400 Memory (£105.61 @ Eclipse Computers)
Storage: Seagate - Barracuda 2TB 3.5" 7200RPM Internal Hard Drive (£55.80 @ Aria PC)
Video Card: Gigabyte - GeForce GTX 1080 8GB WINDFORCE OC 8G Video Card (£474.23 @ CCL Computers)
Case: Fractal Design - Core 2300 ATX Mid Tower Case (£44.56 @ Amazon UK)
Power Supply: Corsair - CXM 550W 80+ Bronze Certified Semi-Modular ATX Power Supply (£64.80 @ Alza)
Total: £1085.98
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-07-03 13:03 BST+0100

That Fractal Design Case comes with low noise fans which helps in keeping the noise low.
 
Solution