I was wondering today if I should pay off my mortgage early or consider doing something else with the money, such as paying more into my pension pot.
There are positives and negatives to both sides of the argument:
If I pay my mortgage off early I save lots in interest and free up the money that [...]

Before anyone embarks on a finance decision or any decisions that will impact your finances they should produce a statement of affairs.
This is basically a budget of your current financial position, so you calculate your income, your outgoings, your assets and your debts.  Its a bit like producing a set of accounts for a business, [...]