Aldi will have these safety boots instore from Thursday 17/10/13 for £16.99 which seems pretty reasonable.
Product Information :-
Action leather upper (petrol, oil and chemical-resistant)
Monodensity PU sole (acid, oil, chemical and solvent-resistant, anti-static and energy absorbent)
200 joules steel toe cap and midsole
Conforms to CE EN ISO 20345:2011 S1P
Midsole ankle protection padding
Large loopholes on side of boots