Is this a suitable pc Build. Help

Use this website to help. Since you are buying in the UK:
http://uk.pcpartpicker.com/

If you want to game on this then you need 2133MHz RAM not 1600. Also, you should get a better APU. Here is a build that you can add the OS too.

PCPartPicker part list / Price breakdown by merchant

CPU: AMD A10-6800K 4.1GHz Quad-Core Processor (£83.95 @ Aria PC)
Motherboard: Asus A78M-E Micro ATX FM2+ Motherboard (£45.34 @ Scan.co.uk)
Memory: G.Skill Ares Series 8GB (2 x 4GB) DDR3-2133 Memory (£58.80 @ Kustom PCs)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive (£35.94 @ Aria PC)
Case: NZXT Source 210 (Black) ATX Mid Tower Case (£31.99 @ Novatech)
Power Supply: Corsair CX 430W 80+ Bronze Certified Semi-Modular ATX Power Supply (£39.63 @ Amazon UK)
Total: £295.65
 


Nice build, I'd tweak it a bit:

PCPartPicker part list / Price breakdown by merchant

CPU: AMD A10-6800K 4.1GHz Quad-Core Processor (£83.95 @ Aria PC)
CPU Cooler: Zalman CNPS5X Performa CPU Cooler (£13.65 @ Amazon UK)
Motherboard: Gigabyte GA-F2A88XM-D3H Micro ATX FM2+ Motherboard (£51.54 @ Aria PC)
Memory: G.Skill Ares Series 8GB (2 x 4GB) DDR3-2133 Memory (£58.80 @ Kustom PCs)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive (£35.94 @ Aria PC)
Case: Zalman Z3 Plus ATX Mid Tower Case (£26.99 @ Amazon UK)
Power Supply: Corsair VS 450W ATX Power Supply (£33.95)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) (£74.95 @ CCL Computers)
Total: £379.77
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-01-23 13:50 GMT+0000

Mobo & cooler, added OS too. Much better case. The PSU you get from here:

http://www.cclonline.com/product/99687/CCL-9020009/Power-Supplies/CCL-Choice-450W-80-High-Efficiency-PSU/PSU0505/

It has 34a on the +12v compared to 28a on the CX430