Ok so I have been able to get a little further now.
I redid the download of the file and writing to USB via windows os. Now I can see the USB and it starts to boot but flashes up with the Apple logo for 0.5 seconds and then reboots. I have tried different commands but to no avail.
Can anyone shed any light on this, here are the specs of the laptop.
CPU - Intel Core i5-4200U 1.6Ghz, 3MB cache, 2 cores
Memory - 8GB DDR3L SDRAM
Video - Intel HD Graphics 4400
HDD - 256Gb SSD
Display - 33.8cm(13.3") Radiance FHD LED Backlit 1920x1080
Wireless - Intel 802.11ac (2x2), Bluetooth WiDi support