Yes, their is something you can do.
Your employer has to address your issues under the working enviroment regulations, whilst admitterly their is mo maximum workplace temperature, the exceptable zone of thermal comfort for most kinds of work lies between 16 -24c (60.8 - 72.2F.
The workplace regs state that ''EMPLOYERS MUST'' ensure that during working hours, the temperature in ALL workplaces inside buildings is ''REASONABLE''
Thermometers need not be provided in each workroom, but if the temperature in a particular room is uncomfortable ''INSIST'' that the temperature in that room is measured.
To much heat can cause fatigue, extra strain on the heart , lungs dizziness and fainting, or heat cramps due to loss of water and salt, hot dry air can increase the risk of eye and throat infections. Above a blood temperature of 102F there is a risk of heat stroke, collapse can occur above 106F with symptoms of delirium and confusion, this condition can prove fatal and survivors may suffer from organ damage
Other duties of Management health safety work regs {MHSWR} require employers to consider the hazards associated with working in temperature extremes, assessing the risk in such circumstances and ''IMPLEMENTING APPROPRIATE PREVENTATIVE MEASURES''
Hope this assist you in tackling this problem