Adding a room by building an interior wall can transform your NYC home. This guide explains the professional process, from framing and layout to the crucial, non-negotiable steps of securing permits and adhering to building codes in NYC.
Adding a room by building an interior wall can transform your NYC home. This guide explains the professional process, from framing and layout to the crucial, non-negotiable steps of securing permits and adhering to building codes in NYC.
Planning a Manhattan apartment renovation? See 2025 price ranges per square foot, a permit & board-approval matrix, sunlight (GHI) data, and five proven strategies to trim thousands without sacrificing quality.
