PCPartPicker part list:
https://uk.pcpartpicker.com/list/PW7nqk
Price breakdown by merchant: https://uk.pcpartpicker.com/list/PW7nqk/by_merchant/
CPU: AMD - Ryzen 5 1600 3.2GHz 6-Core Processor (£199.98 @ Amazon UK)
Motherboard: MSI - B350M MORTAR Micro ATX AM4 Motherboard (£77.77 @ CCL Computers)
Memory: Corsair - Vengeance LPX 8GB (2 x 4GB) DDR4-3000 Memory (£66.19 @ Aria PC)
Storage: Western Digital - Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive (£41.98 @ Amazon UK)
Video Card: Gigabyte - Radeon RX 580 8GB Gaming 8G Video Card (£220.18 @ Novatech)
Case: Corsair - 100R ATX Mid Tower Case (£47.97 @ Amazon UK)
Power Supply: SeaSonic - S12II 620W 80+ Bronze Certified ATX Power Supply (£59.60 @ Alza)
Operating System: Microsoft - Windows 10 Home OEM 64-bit (£84.60 @ Aria PC)
Total: £798.27
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-05-08 11:59 BST+0100