Open vs Private Office Renovation: Cost Comparison

The debate between open-plan and private office layouts is usually framed as a culture and productivity question. But there is a real cost dimension that rarely gets discussed clearly: the two configurations have different renovation cost profiles, different operating cost profiles, and different future flexibility implications. Here is what the numbers actually look like.

The Baseline Cost Comparison

For a typical 5,000 sq ft office renovation in the GTA, here is how open-plan and private office configurations compare at current market rates:

Open-plan office (mostly open, with perimeter glass offices and boardrooms):

• Less interior framing (fewer walls to frame, drywall, tape, and paint)
• More ceiling work (exposed or suspended systems over large spans)
• More electrical distribution (workstations require power and data throughout the floor plate)
• More HVAC distribution (large open areas require more diffuser locations for even conditioning)
• Typical cost range: $85-$130 per square foot

Private office configuration (closed offices, meeting rooms, corridors):

• Substantially more interior framing (every office is a framed and drywalled room)
• More doors (each private office requires a door, hardware, and frame, typically $800-$1,500 per door installed)
• More sound insulation (acoustic batt in walls, often acoustic sealant at penetrations)
• Simpler ceiling (each room has a defined ceiling area; no long-span acoustics challenges)
• Typical cost range: $100-$150 per square foot

The counter-intuitive result: Private office layouts typically cost more per square foot than open-plan, primarily because of the additional framing, doors, and acoustic treatment required.

Where the Cost Actually Lives

Framing and Drywall

This is the biggest single difference. A 5,000 sq ft open-plan office might have 400 linear feet of interior partition walls. The same space in a private office configuration could have 1,200+ linear feet. At current GTA rates, interior framing and drywall runs $60-$90 per linear foot (both sides, taped, and painted). That difference alone is $48,000-$72,000.

Doors and Hardware

Private offices each require a door, frame, and hardware set. Commercial doors and frames run $800-$1,500 installed. If a private office configuration requires 30 more doors than an open-plan version of the same space, that is $24,000-$45,000 in additional cost.

Acoustics

Open-plan offices manage acoustic privacy through background masking systems, acoustic ceiling tiles, and soft surface furnishings, all of which are relatively inexpensive from a construction standpoint. Private offices require sound attenuation in the walls: acoustic batt, decoupled framing in some cases, acoustic sealant at all penetrations. Add $8-$15 per linear foot of wall for proper acoustic treatment.

HVAC

Open-plan spaces require more HVAC distribution to cover the floor plate evenly, but the diffusers and ductwork per zone are simpler. Private offices require individual zone control (or at minimum, individual supply diffusers) in each room, more runs, more flex duct, more diffusers.

Flexibility and Future Renovation Cost

The cost calculation does not end at construction. Private offices create a more fixed floor plan, if the organization grows, shrinks, or reorganizes, the walls must be demolished and rebuilt. Each reconfiguration adds cost and disruption.

Open-plan spaces are inherently more flexible. The core structure (ceiling, HVAC, electrical) remains in place; workstation layouts can be reconfigured without construction. If your organization is growing, shrinking, or uncertain about headcount, open-plan layouts reduce long-term renovation exposure.

Hybrid: The Practical Middle Ground

Most GTA office renovations land somewhere between pure open-plan and fully private. A typical hybrid configuration includes:

• Open workstation areas (60-70% of floor plate)
• Perimeter glass-front offices for senior staff (10-15%)
• Conference rooms and collaboration spaces (15-20%)
• Breakroom, reception, storage (balance)

This configuration captures the cost efficiency of open-plan for the majority of the space while providing acoustic privacy options for focused work and formal meetings. For most organizations, it also better reflects how people actually use office space, collaboration at desks, private conversations in enclosed rooms.

VNG provides space planning input before quoting to help clients understand the cost implications of their layout choices before the design is finalized.