I have been with my current UK based employer for 6 years and have recently been asked to provide 24/7 on call coverage with no increase in benefits as, and I quote, its expected of a senior member of the department. This would be limited to myself and one other developer in the department.
Now my current contract contains no caveat for this and I am unwilling to accept these new conditions. From my investigation I believe that forcing this would construe Constructive Dismissal (second bullet point) in the UK which would result in me resigning and taking the company to an employment tribunal.
What would be the best method in handling this problem and does it in fact amount to Constructive Dismissal?