round hill estate
[ 05 ]
for sale
- AREA
- 730 m2
- floors
- 2
- Bathrooms
- 5
- BEDROOMS
- 4
- LOCATION
- Greenwich, Connecticut
- Build year
- 2024
- PRICE
- $14,900,000
The property runs from the road back across a south-sloping field, past a stone wall that pre-dates the house by a century, to a line of mature oak and beech that screens the lower meadow. The drive is a quarter-mile of crushed bluestone — regraded, not re-laid. The house sits at the top of the rise in three low pavilions of full-height glass between piers of dressed Connecticut fieldstone, linked by a single 120-foot oak gallery that runs east to west and frames the prevailing view.
The plan is loose-fit: the eastern pavilion holds the living and kitchen volumes under a 14-foot exposed steel ceiling; the central pavilion is the primary suite, with its own walled garden; the western pavilion holds three further bedrooms and a library that opens to the lower meadow. The landscape was reset in 2023 by Aldren Landscape — naturalistic meadow planting to the south, a clay-lined swimming pond cut into the upper field, and a stone-walled cutting garden of the same dimensions as the one that stood there in 1929.
The estate runs net-zero on operational energy, heated entirely by a geothermal field beneath the meadow.
highlights
- three-pavilion plan
- net-zero operation
- oak gallery spine
- meadow landscape
- swimming pond
- private lower meadow
location
- Country club
- 4 min
- Greenwich Avenue
- 12 min
- Greenwich Train Station
- 14 min
[ FAQ ]
questions & answers
The questions we are asked most often, answered honestly. If yours isn't here, write directly to the partners — we read every note.
do you represent both buyers and sellers?
Yes, we work with both sides of the transaction. Our approach is the same regardless — honest counsel, no pressure, and representation that puts your interests first.
what types of properties do you specialize in?
We focus on residential properties in the premium segment — single-family homes, townhouses, and curated multi-unit buildings. Each listing we take on is one we'd genuinely stand behind.
can I see a property before it officially hits the market?
Often, yes. A significant portion of our transactions happen off-market. If you're registered with us, you'll hear about relevant opportunities before they're publicly listed.
what makes Marby different from a large brokerage?
Scale works against intimacy. At Marby, every client works directly with a partner — not an associate, not an assistant. That continuity changes the quality of advice you receive.
do you work outside of your primary markets?
On a selective basis. If a client we know well needs representation in a market we don't cover directly, we'll either extend our involvement or connect them with someone we trust. We don't hand people off blindly.

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