My cars done like 54k now, on a 53 plate. However the warranty is valid for 60k, problem is they quote that trim is only covered for 1 year, so it gives them room to wriggle about it.
Spoke to Sutton Park today and they want to see the car and record the milage, along with having the service manager look at it. Then they have to speak to Renault about it and see if they will cover it. Problem being Renault UK have already said a plain NO in the 3 calls i've had with them - seems like an uphill struggle tbh.