We need to build an extension (actually knock down a terrible old extension and build a slightly bigger one) but I'm completely confused about how to organise it all. We have had some initial plans drawn up by an architectural technician. He has drawn up one that would be what we want ideally and one that is the bare minimum of what we need, so we could get an idea on price.
We need to remortgage to do the extension but hope we could do this without borrowing beyond what the property is currently worth and this will impact which plan we go for. Our house is very rural and it isn't easy to get an idea from the property market how much it is currently worth, so how do we get a current value to start off the remortgage process? Also, should we put in a planning application before remortgaging? We've had the bat survey done so don't need to wait for that.
I'm feeling a bit overwhelmed with it and so if anyone can give some advice on this and how to organise it all in general/general tips for doing an extension then I'd be grateful!!