This list might help mate, was from another thread.
Window motors 4kg
Horn 1.5kg
Charcoal canister 1.5kg
Parcel shelf 2kg
Carpets (all) 7.25kg
Roof lining 2kg
Front calipers, lines, discs, pads 51kg
Rear 1/4 side glass 6.5kg (lexan 3kg)
Undertray 1kg
Bulkhead heatshield 0.75kg
Headlights 4kg
Bonnet 11.5kg
Cup spoiler 3.5kg
Front door cards 8kg
Front Wipers 2kg
PAS (inc bottle bracket, lines) 7kg
PAS rack 6kg
Engine mounts 2kg
Front cross member 1.75kg
Bumper innards 2.25kg
Front glass 7.5kg (lexan 3kg)
Toolkit 3kg
Plastic trim (gear surround 1kg, trunk 1.25kg, sill protectors 0.75kg, rear door trim 3kg
Front seats 37kg
Rear seat (base and back) 14.5kg
various nuts/bolts 2.5kg
Seat belts all 6.5kg
ECU case 3kg
Door/trunk rubber 4kg