WouldBe
Dislicksick
What seals? The gas pipes are heat welded and most of the network is already hydrogen ready.It isn't though. Every single seal on every single stretch of gas pipe would need to be redone. There's way more leeway for electric to scale up through battery storage of excess wind.
With the extra electricity demand from heat pumps you're going to have to upgrade all the transmission lines, sub stations and dig up every street in the country to put in heavier duty cables.