Have to say i prefer the woods bank anywhere between the back of the island and the tap, but this is the only area i have caught from in the few times i've been down. Are you using a marker rod? The old stream bed is a fairly nice spot but a pain to find droping about 6 inches - 1 foot from the surrounding silt. This is really the main feature in this part of the lake and runs almost parralel to the bank at 70ish yards range. The edge of the mussel beds can also be hit from these pegs, but that is a fair old chuck and much better if you can wade out slightly to try and get the range. Last winter when i did a few day sessions on there this is where a few of the locals were hooking fish from. Margins are always worth a go during the warmer months, when i was down in september my mate had two big commons from pretty close in, it's worth wading your rigs out to the edge of the overhanging branches and making sure everything is spot on, as there are a fair few brick and branches around here!
I was using a bolie orientated approach when i went, but one of the locals who was friendly swears by large beds of hemp and a scattering of chops over the top, and who would i be to argue after he landed 18 carp in the weekend i was there
Last winter the majority of fish i saw where on bright days and towards the centre of the lake on the field bank, with a fair few patrolling along the end of the mussel beds from the island along further up towards the shallows. Finding the deeper spots within the mussel beds is said to produce well during winter, but again requires a fair amount of effort with the marker preferably on a quiet day. I've never fished the island much as it seems to be where everyone battles for which isn't good in the way that stretch of bank curves around so everyone is pointing at it, saying that one or two do get caught from it.
Most of all just keep walking around and keep on the fish. They don't show much at all keeping on them is vital.
I've not done much down in the bay near the car park, but apparently they do often get in here in numbers into the snags especially in summer, seems a bit tight though with one of the swims having a long pipe stretching out, and the snags look savage so it's be a definate locked up job.
Good luck, and hopefully you'll bag one or two before the crowds descend.
Courtney