This is a very nice example of a Victorian Fireplace insert. The fire stands at 3 foot tall x 2 foot wide. The size of the hole in your wall would need to be 32” High x 21” Wide x 10” Deep. My location is at Shepton Mallet in Somerset however a delivery by myself in person may be possible so if you have any questions on this or anything else please just ask. And thanks for looking.
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