PCPartPicker part list:
https://uk.pcpartpicker.com/list/BPGcbX
Price breakdown by merchant: https://uk.pcpartpicker.com/list/BPGcbX/by_merchant/
CPU: AMD - Ryzen 7 1800X 3.6GHz 8-Core Processor (£229.99 @ Amazon UK)
CPU Cooler: Noctua - NH-D15 82.5 CFM CPU Cooler (£78.15 @ CCL Computers)
Motherboard: MSI - B350 GAMING PLUS ATX AM4 Motherboard (£71.95 @ CCL Computers)
Memory: Patriot - Viper 4 16GB (2 x 8GB) DDR4-3000 Memory (£154.99 @ Amazon UK)
Storage: PNY - CS900 240GB 2.5" Solid State Drive (£49.46 @ Amazon UK)
Storage: Seagate - Barracuda 2TB 3.5" 7200RPM Internal Hard Drive (£46.95 @ Aria PC)
Video Card: Zotac - GeForce GTX 1070 Ti 8GB AMP Extreme Video Card (£418.67 @ Amazon UK)
Case: Fractal Design - Focus G (Black) ATX Mid Tower Case (£40.58 @ Amazon UK)
Power Supply: EVGA - SuperNOVA G2 650W 80+ Gold Certified Fully-Modular ATX Power Supply (£58.67 @ Amazon UK)
Total: £1149.41
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-05-09 05:09 BST+0100
Taxes aren't really put in my friend (sadly) in my build the 1800x is $229 but atleast where I'm from we have 12% tax that would make it around $258