I would like some help with an issue I have. I had a extension done last year with building control all certified. A new gutter was created for the extension and new waste pipes which are under the kitchen units
Over the past 3 weeks the water in the sink has not been draining...
I had an old sink that flowed fine.
I replaced the sink with a new one.
I also replaced drain pipes with new standard 1-1/4" p-trap but I had to be creative to make it reach the 2" waste pipe. SEE IMAGES ATTACHED HERE.
NOTE that the new drain pipe that sits in the sink itself does NOT have an...