Good point Mrs Vimes.
Delinking from my original post, Brendan, in terms of investments I am going to explore the numbers assuming the choice is upsize or invest in the markets as opposed to a BTL. The principles are similar with BTLs and stocks being taxed, so your tables are useful, and I will do some spreadsheets. Thank you.
I basically want to establish the difference in profit/loss after, say, 15 years between borrowing for a bigger home and investing in the stock market. I would like to sense check assumptions of mortgage at 2.8% interest, property increase 3.5%, markets increase 5.5%? What about fees related to funds? I am aware it is difficult to make any assumptions on property prices in a decade or so, but ultimately need to use a number