There is no obligation on their part to give you time off during your notice period. They will be busy replacing you. If you have any holiday left you will need to use that or go to interviews during your lunch break.
The only reason it applies in redundancy is because the employee has no choice but to leave and the employer is obliged to assist them in finding work. In your case you have chosen to quit before you have another job so you will have to work things out yourself. Good luck.



