I'm going to try go keep this brief, but it's a bit complicated (or perhaps just complicated to me). Short story is, we're about to come into some money. It'll leave us with about £500k cash plus an additional monthly income of about £800 (before tax). We own and live in a flat worth £650k on which we have a mortgage of £250k. I earn about 40k a year, DH a little less. We have one DC and another on the way. Ultimately we would like a) to move house and b) for DH to become a SAHD. We'd also really like to keep hold of our flat (we could rent it out very easily for about £2k a month).
So, what's the best thing to do? Pay off mortgage on current flat and rent it out? Keep mortgage on current flat and rent it out (rate is currently v. low, but presumably will go up in future and/or if we have to switch to a buy-to-let mortgage)? Is it possible to do either of these things and also buy somewhere bigger to live? How much house could we afford if so? We don't want to tie all of the £500k cash up in property as that makes me very nervous. Especially as the plan is for DH to stop working/ earning and he also doesn't have a pension (I do). We'd also like to have the option of private school fees in our back pocket, for senior school years. Or should we tie it all up in property and then we'd have income from renting flat??
I'm really overwhelmed by all the options available and I'm not sure how to do the sums to work out what we can afford.