The Amherst. The final phase of Mill Pond - located in Londonderrys latest sub division with public water and sewerGreat open concept floor plan with a dramatic 2 story family room that opens into the kitchen.Londonderry's latest . This home has so much to offer! A walk in pantry, mud room, first floor study, 4 bedrooms, irrigation system, 95% eff. furnace, tankless hot water heater are just of the may amenities! Broker interest.