Additions should be compatible with the existing building in style, size, scale, proportion, building materials, and texture.
Additions should be confined to the rear of the building wherever possible.
New buildings should be compatible with the style, size, scale, proportion, materials, height, and massing of surrounding buildings.
New buildings should have a setback compatible with the existing historic streetscape.
New garages should be carefully sited on the lot and should not be attached to the front of historic buildings.