Needham committee recommends new FAR formula, attic credit and sliding lot coverage to limit ‘‘bulk’’ of new homes

The Needham Planning Board on Tuesday heard a detailed presentation from the Large House Review Study Committee, which recommended four zoning bylaw amendments aimed at reducing the visual bulk of newly built single‑family houses.

Committee co‑chair Moe Handel said the group spent about a year interviewing officials, running architectural modeling and a fiscal analysis and reviewing comparable bylaws in nearby towns before assembling four separate draft articles for Town Meeting. "We were aware of the need to come up with practical recommendations that took into account the legitimate needs of residents who wanted a benefit from the sale of existing homes, their neighbors who remained behind, and whose perceived quality of life is affected by rapid and dramatic changes to the architectural fabric of their neighborhoods," Handel said.

Oscar Mertz, an architect on the committee, described the package’s centerpiece: a revised floor‑area‑ratio (FAR) calculation that counts all above‑ground area — including a third floor and garages — rather than only first and second floors. The committee proposes a stepped, sliding FAR tied to lot size to proportionally favor…