The front panel will be fibreglass, certainly looks it from the cracks, if you want to tidy this up first you need to make sure there is no structural damage to the back and if ther is it needs backing up with a bit more fibreglass, you then need to dig out the cracks in the Gelcoat with a Dremel or similar and then fill them with Gelcoat. Once they are all filled it can be flatted back and painted.
Think you are right there, well looked after in this case was a clean loo! Never mind am catching up and like the van despite niggles, its 15 years old so I would probably be changing many of the bits and pieces causing me angst anyway.
Thanks Martin, not sure if I am brave enough to attempt renovation?Maybe a winter project.
Have taken panel (whilst replacing radiators) off, removed all the gungy mastic, and put it back, fingers crossed, have mastic in the back in case the panels vibrate, have visions of a reed effect when driving into the wind, don't want to be mistaken for an ice cream van, fed up with people asking for double cheeseburgers as it is.
PS is the grille/mesh in bottom of front panel fully fitted to the whole it protects? Is that fixed with self tappers on it's top edge only? (mine is)