Does sound like a pulley/belt sort of noise. Heard worse though, as above when were the belts last done? Should be every 5 years or 72k iirc.
So in theory you shouldn't need doing yet, as on an 07, it should have been done in 2012... BUT a lot of folk only get the cam belt kit done to save money, they don't have the aux belt kit and water pump changed at the same time. Which is a shame as it's usually the water pump which can start getting noisy which basically = a cam belt change again to get it sorted.
ALS performance up in Cumbria have quoted me a very decent price for the job lot: cam belt kit, aux belt kit, water pump and dephaser pulley. All genuine Renault parts. I'm going up there at the end of this month to have it done. Mine's also an 07 and it's ticked in the book the belt was done in 2012 but I've no invoice for it, so I'd rather be safe than sorry. Don't want to take chances with the belts on these, even the aux belt, if that goes it can take out the cam belt too!