yeah its at the back of house and the pipe goes under chips into concrete.the back area there is 3 x 2 slabs. i think the the pipe goes out from the wall for about 3 feet and heads right down a very gentle slope.
Its old council drainpipes. metal or something. around that area where the pipes...
I live in a mid terrace ex council built just after the war. My kitchen waste does not drain away unless I pump away with the plunger. sometimes it works a little better and sometimes like tonight. it all drained away and with the hot tap left running did not fill up drained freely.
10 minutes...