Octagon houses were a thing in the 19th century.
They also completely remodeled the kitchen, adding marmoleum flooring, salvaged century-old walnut and birch cabinets, and a unique countertop. “We found a section of bowling alley lane. I edged it in walnut,” Sours said.
Source: Rare octagon house is one of only a handful left in Minnesota | Star Tribune
Paneling was reclaimed by 93ft from a chambers office in Derbyshire. Above, custom lights are designed and manufactured by 93ft, complete with repurposed original light fittings to contrast against the original London stone. Wayfinding light box designed and made by 93ft.
Source: A London Hotel Transforms & Keeps its Heritage Spirit – Design*Sponge