Fitting an Electric Fire Suite & Making My Own Brackets – The Carpenter’s Daughter

So I had an electric fire to fit this week, but it wasn’t flat against the wall.  And my options were to:

Cut a bit of skirting board out
OR scribe the back of the fire
The reason I didn’t pick the latter, is because if we moved it to another house with a different skirting, or ever wanted to sell it, it may no longer fit elsewhere.