PCPartPicker part list:
https://uk.pcpartpicker.com/list/qmTNWX
Price breakdown by merchant: https://uk.pcpartpicker.com/list/qmTNWX/by_merchant/
CPU: Intel Core i3-6100 3.7GHz Dual-Core Processor (£106.99 @ Aria PC)
Motherboard: Gigabyte GA-H110M-S2H Micro ATX LGA1151 Motherboard (£49.99 @ Novatech)
Memory: PNY Anarchy 8GB (2 x 4GB) DDR4-2400 Memory (£39.55 @ Amazon UK)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive (£42.95 @ Amazon UK)
Video Card: PowerColor Radeon RX 470 4GB Red Devil Video Card (£167.29 @ More Computers)
Case: NZXT Source 210 Elite (White) ATX Mid Tower Case (£41.40 @ Eclipse Computers)
Power Supply: Corsair CXM 450W 80+ Bronze Certified Semi-Modular ATX Power Supply (£47.91 @ Ebuyer)
Other: Hard Drive Screws (£1.99)
Other: Disk Drive (£18.99)
Total: £517.06
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-02-06 18:19 GMT+0000
Instead of investing the money into an SSD I'd recommend moving from a 1050Ti to an RX 470. A lot more performance for ~$30.