Nice day so after reading the instructions carefully decided to fit the mud flaps.
I decided not to try and do it with the wheels on, so got the jack out of the side pocket in the boot. Well this took me quite a while as it is clipped in and locked in with the winding handle. I looked in the handbook for the jacking points and looked for the triangle shapes as indicated in the book to locate the jack and could not find them. After washing off the very bottom lip under the door itself, I found them, about 5mm in size! I would suggest that before you get stuck you check that you know how to get the jack out and the jacking points.
The rear mudflaps were very easy to fit. Simply remove 3 screws already located, secure the mudflaps with the new screws provided, make a small locating hole for a 4th screw and nut and secure. Finally, a couple of clips to tap on and done- took minutes.
The front mudflaps are more difficult. There are 6 screws needed to secure them on each side (provided of course) You need a very small pilot hole for each screw, but for 3 of them you need to secure the back of the screws with the nuts provided. To get to one of them you need to remove a plastic plate underneath, but it is small and easily removed. I would say that this is the hardest screw to secure as it is fiddly getting the nut on.
It took me less than 2 hours. I dabbed a bit of waxoyl on the back of the screws and in the centre of the wheel discs themselves as rust was forming. Can't beat a bit of preventative work