If your sink is blocked in Downend, Gloucestershire then there are a few methods to unblock it yourself. The quickest and easiest way to try first would be using the plunger - just ensure that you have sealed off any drains leading away from the sink too. If this doesn't work then use a bottle or clothing snake if possible, both should move through any blockage quite easily with enough time taken on each step. Alternatively you can add some vinegar followed by boiling water (be careful not handle anything extremely hot) into one side at a time until water flows out freely again as this will help clear most organic debris like hair etc blocking up pipes over time via breaking down whatever is present/causing an obstruction relatively quickly when used correctly following manufacturer instructions where available & appropriate carefully trying other options prior before risking overwhelming damage potentially resulting from forcing items which don't fit or could react badly for instance doing something very dangerous instead taking safety precautions always being aware potential failures consequences educated decision outcomes much better avoiding danger serious injury property destruction if unsure advice source qualified professionals trust strive success maintain quality standards extending life-cycle equipment necessary component structural integrity situation concerns contact emergency services advised seek timely resolution positive results excellent finish satisfactory conclusion