Earlier quoted context omitted.
Symnetric gigabit connections can be hard to come by in London. If you're served by a niche fibre provider (e.g. Hyperoptic, Community Fibre) then you're golden. There's Virgin (think Comcast) with paltry upload speeds due to the cable tech. Understandable though not ideal. Then there's the OpenReach full fibre network with paltry upload speeds due to... ??? there appears to no good reason, other than not wanting to…
Hyperoptic is niche? I thought they were available all over London.
It's cable from Virgin or DSL