I called MA Roofing services last year, they charged me £3500.00 to replace the valley gutter. At Christmas my interior walls were so wet my electrics kept going off. I contacted Mark Atherton who after several phone calls failed to come and look at the damage or check his work. I have now hired some one to get pictures so I can see what MA builders did. It looks like they have used floor sealant. no new valley gutter and no new lead flashing. see for yourself the pictures before you get them out. I will see them in court. D buckley a very unhappy customer. I have put 1 star but its a minus