Replaced faulty bonnet latch, was pretty straightforward once I'd figured out how to remove the sensor wire.
Car has been acting a bit weird the past 24 hours. Put my foot down on a straight coming back from work yesterday, after this engine sounded very rough for rest of journey, not exactly misfiring but definitely noisier than normal and rattling at times. Went on short run this morn and engine light was on and read 4 misfire fault codes, but seemed fine performance wise. Reset faults, went out again just, hammered it in sport mode on a 10 min journey and seems fine now. I've always had a strange flutter noise from the left of the engine and this is where the increased noise was. Will keep an eye on it the next few days.