HARMONY — The much-discussed renovation of the house at 139 Jackson St. received the final approval Monday night from borough officials.

By a unanimous vote, the borough’s zoning hearing board granted a variance to the 25-foot setback for the historic house.

The renovation proposed by prospective buyer Patricia Kipin includes building an addition on the side of the house that would relocate the bathroom from the basement.

A number of people spoke both for and against the project.

Architect Josh Meyer presented the proposed variance to the board, saying that the renovation is justified because living in the house with its current configuration would be a hardship on the inhabitant.

The only bathroom is in the basement, which flooded in 2004, and could become inaccessible if there is another flood.

Realtor Melissa Bond said the renovation is intended to make the house livable.

The sale to Kipin from David Eberle has been delayed as approval from the borough has been sought.

“Patricia has already put thousands into the purchase of this property, which she wants immensely,” Bond said.

Residents opposing the renovation said the work would destroy the historical character of the house, which was built by Mennonites about 1840.

Resident Joe White said the house is a “beautiful piece of architecture” that should be protected since it is part of the National Historical Landmark District of the borough.

“This will change the historic character of the building a whole lot,” he said.

Erin Hammerstedt, representing Preservation Pennsylvania, also commented on preserving the historic structure.

Hammerstedt said her organization, a nonprofit dedicated to preserving historic architecture and resources, was contacted by several residents who want to protect the house.

She contended that if living in the house would be a hardship, then Kipin shouldn’t buy the property.

Architectural regulations, like those in place in Harmony, are a positive aspect for the community, she said.

“It has been shown that there are economic benefits to historic preservation regulations,” she said.

After the zoning board voted, solicitor Mike Gallagher said anyone who wants to appeal the decision on the variance in Butler County Court of Common Pleas has to do so within 30 days.