Woodburner and back boiler?

what you have got to ask yourself is how long would it be bearing in mind the cost of the new boiler and installation and all new controls take for any savings to take effect . i would guess 10 to 15 years by the time gas prices would of doubled if not trebled .it would advice you give the wood burner a chance we will always have trees they say gas will run out .this may be ruse to make us pay more .