03/11/08 9:44am

Perspective View of House at 2950 Lazy Lane, Designed by Alexander Gorlin

This massive 20,000-sq.-ft. home featured on New York Architect Alexander Gorlin‘s website is under construction at 2950 Lazy Lane in River Oaks. The Museum of Fine Arts’ Bayou Bend Collection is next door.

Gorlin’s client is the youngest member of the Forbes 400 list of the Richest Americans (he’s number 317): 34-year-old former Enron trader John Arnold, who now runs secretive Centaurus Energy, a small but extraordinarily successful hedge fund company that trades energy commodities.

Four years ago, Arnold bought a recently renovated 1926 home in the French Norman manorial style in the Homewoods subdivision of River Oaks. The home, which had sat on the market for close to three years, was designed by Houston architect Birdsall Briscoe in collaboration with John Staub, who also built the Bayou Bend estate for the children of former Texas governor James Hogg next door. Briscoe’s creation was dubbed “Dogwoods” by Hogg’s son Michael, who lived there for many years with his wife.

A year after purchasing Dogwoods — currently valued by HCAD at $4.9 million — Arnold angered River Oaks preservationists by tearing it down.

After the jump, more illustrations of the house John Arnold will be trading into, plus a few photos of the one he didn’t leave behind.

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