The colonial house at 45 Cavalry Road in Weston is a work of art, as is the setting in which it was built in 2006.

The waterfront estate on Crystal Lake has water views from nearly every room. It is one of only 21 houses around the 40-acre lake. Residents are allowed to swim and use any type of water craft that is not gas-powered.

The house was so well integrated into its natural surroundings that one flows seamlessly into the other. It's as if the lake and the house were meant to complement each other, and one would be diminished by the absence of the other.

"Balance and harmony with the natural setting were very important to [the owners] as they were building the house," said Alexander Chingas, an agent who represents the house for The Riverside Realty Group.

Located on the Westport/Weston line, the estate comprises 2.5 acres and has 300 feet of lake frontage and a dock. The house was designed by Jack Franzen to accommodate an opulent lifestyle for the outdoors enthusiast.

The house has 9,150 square feet of living space, plus an additional 1,830 square feet in the finished lower level. One of its main attractions is the 2,000 square feet of porches, decks, patios, and a pergola with an outdoor fireplace, which extends the living space from indoors to outdoors.

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ABOUT THIS HOUSE TYPE OF HOUSE: Colonial ADDRESS: 45 Cavalry Road, Weston PRICE: $4,500,000 NUMBER OF ROOMS: 12 AMENITIES: 2.5 acre property overlooking 40-acre Crystal Lake with 300 feet of frontage, dock and docking rights, gourmet kitchen, separate in-law apartment, 2,000 square feet of porches, decks, and patios, pergola with outdoor fireplace, 12 minutes to Westport train station, five interior fireplaces, balcony, wet bar, zoned central air conditioning, security system, two laundry rooms, cabana OTHER INFORMATION: five bedrooms, six full and two half baths, three-car attached garage, finished lower level, zoned forced hot air oil heat, walk-up attic, wood roof, septic system, well water SCHOOL: Hurlbutt Elementary, Weston Middle, Weston High ASSESSMENT: $3,193,500 TAX RATE: 14.850 mills TAXES: $78,518

"It's all about the outdoors here," said agent Barbara Babcock, who works in tandem with Chingas.

The interior is quite stunning too. The dramatic, two-story entrance foyer is a true center hall and offers immediate water views from inside the home. One of the most unusual and beautiful features is the Japanese ranma, a hand-carved wood transom, which sits between the formal living room and the mahogany library. Appropriately bird themed, it mirrors the water fowl on the lake, although with different avian species.

In the gourmet kitchen there are Calcutta Gold marble counters and a two-tiered center island with a six-burner Wolf range. Another counter houses the over-sized farmer's sink. There are also Wolf double, wall-mounted ovens and a warming drawer.

A butler's pantry includes glass-front cabinets, copper sink and beverage refrigerator. Beyond the kitchen, family room and butler's pantry is a large wing which includes what one person called "the prettiest mud room." It has a barrel ceiling. This wing also provides access to the three and a half-car garage, the first of the home's two laundry rooms and a rear staircase.

Above the garage is an in-law apartment or au pair suite with a kitchenette. This apartment also has exposed beams in the ceiling and a cupola.

On the second floor in the main portion of the house there is a great alternative to a normal hallway. It is an extra wide landing which includes room for child's play, a homework space or a sitting/reading area.

There are five interior fireplaces. The one in the master bedroom suite features antique Delft hand-painted tiles with birds and other animals. Two French doors lead to a balcony overlooking the lake. The master bath has a heated marble floor, steam shower and air tub.

The third floor holds an unexpected surprise -- a life-size doll house for children or visiting grandchildren.

The basement includes a kitchenette and a cabana with two changing rooms.

Most of the house operates on a computerized system called Smart House, which controls the lighting, sound system, security and other technologies.

For more information or to set up an appointment to see the house call Alexander Chingas of the Riverside Realty Group at 203-451-0081 or e-mail him at alex@alexchingas.com, or contact Barbara Babcock at 203-246-6300 or e-mail her at BabcockB@TheRiversideRealtyGroup.com.