What I would do is start the ball rolling a bit more as you do not seem to have done that. Get 3 estate agents out to give you a value. Have a look to see what if anything in your area is selling and at what price. How do they compare to your own property.
It will all depend on what you owe, what the value of your house is and the value of the new mortgage, along with wages, security of employment whether the bank would offer bridging.
I doubt they would though based on the slow movement in the industry.
Once you have sold you could rent for a while and check out the area you really would like to live in with out the commitment of a purchase.