Before you call us
Have a think about when it started and whether it has been getting worse. A drain that has been slow for months and has now stopped is a different job from one that blocked overnight, and the answer changes whether we expect roots, grease or an object. Stop using the affected fixtures until we arrive. Write down what has gone down the drain recently if you know - cooking fat, wipes, a child's toy, roots in autumn. We will find out anyway with the camera, but knowing in advance shapes which tool comes off the van first.
