Thank you both for you inputs / getting back to me.
So the engineer who came to fit the broadband specifically said 'the brown box where the fibre optic will be wired from is difficult to reach from my property as the only way to it is through my neighbours flat' (to the front). So he said he will be able to complete the job if a new box was fitted closer to me.
Previously i was with Talktalk and not only was my internet speed slow, i'd disconnect frequently meaning i was extremely unreliable working from home. I was relieved to hear from your colleague via the chat that it was in fact possible to have internet with you regardless of me previously informing him of the scenario, so it will be appreciated it something could be sorted.
Another issue is that when another one of your colleagues set up the date with the engineer to come they also signed me up with your broadband contract on 350Mbps including a sim card only O2 phone contract which was offered to me during the process. Considering this was a part of the offer not only have i cancelled with talktalk but I've moved from vodafone over to O2 and transferred my number to the new simcard you guys sent me (this was sent before the appointment with your engineer).
Look forwards to a response with a resolution to this.
Cheers