Kitchen Sink waste woes and what do I need to fix

[iandb0812]

Folks

Have an on going issue with our kitchen sink, occasionally have found the cupboard wet and have already lost the shelf and am 99.9% it's down to the moron we brought the house from.

Pic shows the waste pipes. Far right looking at it is the sink and the other bit is a small sink???? between the main sink and draining board.

https://www.dropbox.com/s/d9xfocd30u58s ... s.jpg?dl=0


Yesterday the sink would not drain, but eventually did so at a snails pace, I found water seeping out thought the joins on the downpipe from the small sink bit.

The cable ties are there as a result of a previous incident when it fell down, possibly to much weight on it from all the shite in the cupboard.

[lets have a look]

Think that's the problem not draining,the joints will drip when blocked,try 'one shot' from a plumbers merchant, put it in a night and check in the morning