We rented a 4 bedroom terrace through Allan Fuller in Putney. The service is shocking. They don't respond to emails or phone calls reporting significant problems with the property.
They have regular property inspections during which they find things they need to fix but don't fix them. The next inspection finds the same problems and the cycle repeats. The last one had the audacity to ask us why we hadn't reported the problem they'd noted on 3 previous inspections!
They sent the same tradesman 3 times in 3 months to quote to fix the same problem but it never got fixed.
They make appointments and don't turn up.
I could go on forever. I've dealt with many agencies but have never seen one so imcompetent.