driving between office and hangar IS allowable.
Stationery including pens, calculators etc
mobile phone / home phone if you are "on call"... or similar
ALL casa doc's/jepps
sunglasses
moisturiser
all CASA charges (ie for licence updates, medicals etc)
uniform / laundry allowance... read the rules on this.
overnight allowances ... read the rules on this.
any equipment incl. nav bags, headsets (and batteries if ANR), GPS, charts, special non sparking shoes as determioned by the regs, logbook etc
cost of an accountant
cost of DRIVING to accountant.
industry publications incl magazines etc.
good luck!