A major expansion of the Stop & Shop Store in Edgartown moved closer to reality Thursday following a vote by the Martha’s Vineyard Commission to approve revised architectural plans for the project.

The expansion, which will nearly double the size of the existing 25,000-square-foot Upper Main street store and also reconfigure the parking lot, was approved by the commission last December with a long list of conditions. One was to modify the building design.

Signoffs from the commission are still needed on landscape, lighting and an affordable housing plan for employees, as part of the conditions.

The plan cleared the Edgartown planning board this summer.

In the revised design presented Thursday by Stop & Shop attorney Geoghan Coogan and project architect Tom Scott, the main entrance will be moved to the left side of the building and a covered walkway will be added. The roof, trim and facade of the building will also be changed to create a more traditional appearance.

The Stop & Shop spokesmen agreed to further tweak the building design after commissioners expressed concern about the lack of an overhang and sidewalk along the rear of the building.

“My hope was that the partial roof feature would reach further back so it wouldn’t look like a facade,” said commissioner Fred Hancock.

“Other than cost, is there a reason not to do it?” asked commissioner Douglas Sederholm.

“I have to be honest and say there’s no practical reason why we couldn’t do it,” replied Mr. Scott.

In the end the vote was 15-0 to approve the changes.

“I really appreciate your willingness to come back to us with these plans,” said commissioner Linda Sibley.

The meeting began with a moving tribute for Mark London, the former executive director of the commission who died August 18.

MVC executive director Adam Turner showed a photo slideshow from Mr. London’s 13 years at the helm, and commissioners praised Mr. London’s work and devotion to the Island.

“He was committed to the mission of the commission,” said commissioner Gail Barmakian.

In other business Thursday, the commission approved a plan that will allow the Martha’s Vineyard Hospital to convert vacant units at Windemere Nursing and Rehabilitation into business and physician office space.

The hospital closed Wildflower Court, a 20-bed assisted living unit at Windemere, last year.

The change was under review by the commission as a development of regional impact (DRI), and sparked a wider discussion about changing models for elderly care on the Vineyard.

At the request of Mr. Sederholm, a condition was added that would restrict the space to clinical use.

“If you start reducing clinical use and using it for business, then I have a problem with it,” he said.

“Our core mission is clinical services, not business services,” replied hospital president and chief executive officer Denise Schepici. “We would like to hire up to five physicians. This is what this flexibility allows us to do.”

A public hearing on a plan by Verizon to increase the height of a cell tower in Vineyard Haven tower saw lengthy discussion.

Verizon wants to convert the 77-foot tower off the Edgartown-Vineyard Haven Road to 130 feet to improve reception for internet service and land line calls.

A hearing for the project opened in September 2017, but was delayed after the commission asked Verizon to supply more information, including call dispatch records.

On Thursday Joe Baker, a Verizon radio technician, reiterated statements made at the first hearing that tall trees around the tower are interfering with the signal. He said he has noticed some loss of signal from the tower in recent years, although Verizon was unable to provide records to support the claim.

“We’re not losing the Island yet, but when you have signal loss in little bits, eventually you’ll have traffic loss, and then network outage,” Mr. Baker said.

“This tower serves 911 calls,” added Mr. Coogan, who was also representing Verizon. “This thing is a necessity, period, end of story. The signal is already being affected and over time it’s going to get worse and worse.

Commissioner Fred Hancock commented on the increased visibility of the tower with the extension and wondered if 53 feet is really needed.

“Obviously the tower should be raised, but . . . 53 feet?” he said.

Abutters Nancy Langman and Charles Noonan expressed concerns about negative effects on health and property values from the tower.

“Trees die and microwave technology changes, but that tower will never go anywhere,” Mr. Noonan said.

Commissioners agreed to plan another site visit; the hearing was continued to Sept. 20.