Proposal comparison
Bid comparison
Office renovation · Four proposals, one review
Proposals received4
Scope differences flagged below
Average base bid$225,000
Before adjustments
Lowest base bid$180,000
Scope clarification required
Low-to-high spread$90,000
Price difference, not savings
Bid comparison
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| Contractor | Base bid | Duration | Review status |
|---|---|---|---|
| Contractor A | $180,000 | 8 weeks | Clarify scope |
| Contractor B | $210,000 | 8 weeks | Scope reviewed |
| Contractor C | $240,000 | 10 weeks | Clarify allowance |
| Contractor D | $270,000 | 12 weeks | Clarify exclusions |
Cost breakdown by contractor
Site preparation
Contractor A$20,000
Contractor B$25,000
Contractor C$30,000
Contractor D$35,000
Building work
Contractor A$65,000
Contractor B$75,000
Contractor C$90,000
Contractor D$100,000
Building systems
Contractor A$70,000
Contractor B$80,000
Contractor C$90,000
Contractor D$100,000
Project costs
Contractor A$25,000
Contractor B$30,000
Contractor C$30,000
Contractor D$35,000
All bars start at zero and use the same $0–$100,000 scale. Each contractor’s four categories add up to their base bid.
Read cost breakdown
| Category | Contractor A | Contractor B | Contractor C | Contractor D |
|---|---|---|---|---|
| Site preparation | $20,000 | $25,000 | $30,000 | $35,000 |
| Building work | $65,000 | $75,000 | $90,000 | $100,000 |
| Building systems | $70,000 | $80,000 | $90,000 | $100,000 |
| Project costs | $25,000 | $30,000 | $30,000 | $35,000 |
Scope review & next questions
Swipe across the table to see all contractors.
| Scope item | Contractor A | Contractor B | Contractor C | Contractor D |
|---|---|---|---|---|
| Installation | Included | Included | Included | Included |
| Permits | Not stated | Included | Included | Excluded |
| Final testing | Confirm | Included | Allowance | Included |
Check what is included before choosing a contractor.Ask Contractor A to confirm permits and testing. Request a breakdown of Contractor C’s allowance and Contractor D’s exclusions. The lowest base price may not cover the same work.