Answer, to my own question:
After trying a mate's laptop I discovered that the routers transmitter had a fault, a new home hub resolved the situation, the laptop now connects everytime.
Still can't work out why it worked on one day though ?.
Huawei P10 review
1995-2015: How technology has changed the world in 20 years
An overview: What leading creative agencies are doing to improve diversity
New iPad, iPhone SE & Red iPhone 7 on sale now
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.