Any comments on my planned build?

Stevoid6000

Honorable
Jun 14, 2017
34
0
10,540
I'm far from an expert, but your mobo doesn't support overclocking, so the i7-7700k is a little wasted. You don't need the k. Or, change the board to something in the z270 chipset family. Mine's a Gigabyte ga-z270 da-hd3p, but it was bought more from a budget point of view than anything else!
 
Here is the list:

PCPartPicker part list / Price breakdown by merchant

CPU: Intel - Core i7-7700K 4.2GHz Quad-Core Processor (£298.98 @ Aria PC)
CPU Cooler: be quiet! - PURE ROCK 51.7 CFM Sleeve Bearing CPU Cooler (£28.69 @ Aria PC)
Motherboard: Asus - PRIME Z270-P ATX LGA1151 Motherboard (£106.23 @ CCL Computers)
Memory: Crucial - 8GB (1 x 8GB) DDR4-2400 Memory (£54.51 @ Ebuyer)
Storage: Seagate - Barracuda 2TB 3.5" 7200RPM Internal Hard Drive (£59.99 @ Ebuyer)
Video Card: Gigabyte - GeForce GTX 1080 Ti 11GB AORUS Video Card (£688.71 @ CCL Computers)
Case: Fractal Design - Core 2300 ATX Mid Tower Case (£39.85 @ Eclipse Computers)
Power Supply: Corsair - RMx 550W 80+ Gold Certified Fully-Modular ATX Power Supply (£80.97 @ Amazon UK)
Total: £1357.93
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-07-15 20:46 BST+0100

Modified your list with better components.