you need to get centre panel off to get at it
I have the same problem with my Octavia 1.6 mpi
Step 1: remove bumper grill.it is clip type just push inside and take it out
step 2: put your hand through bumper grill hole and remove bonnet grill by using flower allen key more than 6 screws are there
step4: now you get the access to remove latch assy by using 10 mm t handle or spanner
Its called push the pile of sh** off a cliff