Design Proposal in Columbus and Central Ohio

Before construction starts, everyone involved should be working from the same document. Transit & Flow Group’s design proposal brings together your finalized layout, materials, and renderings from earlier design steps into one formal written deliverable that summarizes scope before the first wall comes down. Build a preliminary online estimate, or call (614) 382-0000 to request a design proposal for your project.

Is this what you’re seeing?

• You’ve finalized materials through a finish package development session and need it documented in a formal, written scope
• Wanting one clear document that summarizes design, materials, and project scope before signing a construction agreement
• Multiple stakeholders, spouses, family members, or co-owners, who need a shared written reference to sign off on
• A lender, contractor, or property manager requesting a formal scope document before releasing funds or scheduling work
• Wanting your budget alignment conversations reflected in the final written scope, so prices and priorities match what was discussed
• A project moving from design into construction and needing a clean handoff point between the two phases

Honest pricing

Design proposal pricing depends on how much of the underlying design work, layout, finish selections, and renderings, is already complete, and how detailed the written scope needs to be. As general market context, HomeAdvisor reports that flat-rate interior design fees commonly range from about $250 for smaller scopes up to $50,000 for large, full-project engagements, which reflects how much design proposal cost can vary with project size and complexity. Whether Transit & Flow Group includes design proposal development in its overall design fee or bills it as a separate final deliverable is confirmed in your preliminary estimate. Build a preliminary online estimate to start, or call to discuss your project’s current stage. Final scope and price subject to verification once our design team assesses your space and goals.

What’s included / what’s not included

Typically included:
– Written summary of finalized layout, materials, and finish selections
– Inclusion of relevant renderings or before-and-after visualizations already developed
– A defined project scope intended to guide construction planning
– One round of revisions before the proposal is finalized

Typically not included unless added to scope:
– Development of the underlying design work itself, if not already completed (see finish package development, 3D rendering, and budget alignment)
– Construction contract terms, which are typically a separate legal document
– Permits and inspections, which may be required once construction begins
– Change orders or scope revisions after construction has started

Why this matters for Central Ohio households

Central Ohio’s active renovation and new-build market means many households are coordinating design decisions, contractor scheduling, and sometimes financing all around the same timeline, and a clear written proposal helps keep everyone aligned as the project moves from planning into construction. In established neighborhoods like Bexley or Upper Arlington, a formal proposal often needs to account for older home conditions discovered during design. In newer communities like Dublin or New Albany, a detailed proposal helps confirm that ambitious design goals match the agreed budget. For households in more modest markets like Whitehall or Reynoldsburg, a written proposal protects against scope creep by setting clear expectations before work begins. Regardless of neighborhood, a formal proposal reduces the chance of miscommunication once construction is underway, and it gives homeowners a single reference document to return to if questions come up mid-project.

Our process

1. Online estimate or consultation request. Use the Estimate Builder or call (614) 382-0000 to confirm your project is ready for a formal proposal.
2. Design compilation. We gather your finalized layout, finish package, renderings, and budget alignment notes.
3. Scope drafting. Our team drafts a written summary of the full project scope, materials, and design intent.
4. Client review. You review the draft proposal and request any clarifications or adjustments.
5. Finalization. The proposal is finalized as your formal design record.
6. Handoff to construction. The finished proposal is shared with your project team to guide construction planning.

Related services

A design proposal typically builds on our finish package development and budget alignment services. Ready to formalize your project scope? Build your estimate or call (614) 382-0000.