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Financing Metrics

How to Calculate Loan-to-Cost Ratio (LTC)

Learn how to calculate LTC ratio for development and value-add deals, understand basis leverage, and structure financing appropriately.

Last updated March 2026

📊 Definition

Loan-to-Cost Ratio (LTC) measures the loan amount as a percentage of total project cost including acquisition, renovations, and soft costs. It shows how much of the total investment is financed versus equity.

The Formula

LTC = (Loan Amount ÷ Total Project Cost) × 100

Expressed as a percentage

Example Calculation

A value-add acquisition with renovations and financing:

Purchase Price: $40,000,000
Closing Costs: $1,200,000
Renovation Budget: $3,800,000
Total Project Cost: $45,000,000
Loan Amount: $32,000,000
LTC: ($32,000,000 ÷ $45,000,000) × 100 = 71.1%
Equity required: $13M (28.9%)

Where Does the Data Come From?

LTC requires tracking all project costs:

  • Acquisition Costs: Purchase price plus closing costs
  • Hard Costs: Construction and renovation expenses
  • Soft Costs: Permits, fees, interest reserves, leasing costs
  • Loan Terms: Maximum loan amount from lender commitment

Calculate LTC during underwriting to determine total equity requirements.

Who Uses This Metric?

Lenders

Set maximum LTC limits for construction and bridge loans (typically 70-80%). LTC protects lenders by ensuring borrowers have skin in the game through meaningful equity contributions.

Developers & Value-Add Investors

Determine equity requirements for projects. At 75% LTC on $45M project cost, need $11.25M equity. Lower LTC requires more equity but reduces leverage risk.

Underwriters

Calculate financing availability and equity needs. LTC combined with LTV determines loan structure—lenders use lesser of the two alongside DSCR as loan limits. Use our DSCR calculator to model constraints.

Why This Metric Matters

1. Equity Requirement Determinant

LTC shows how much equity you need. At 70% LTC on $45M project, you need $13.5M equity. At 75% LTC, only $11.25M equity—$2.25M less capital required.

2. Development Risk Management

Lower LTC means more equity cushion for cost overruns. At 70% LTC, costs can exceed budget by 30% before exceeding available financing. At 85% LTC, only 15% cushion exists.

3. Loan Sizing for Value-Add

LTC is critical for renovation projects where stabilized value exceeds cost. Compare to return on cost for yield context. Lenders use both LTC (to cost) and LTV (to stabilized value)—loan is lesser of the two.

💡 Pro Tip

For value-add deals, calculate both LTC (to total cost) and LTV (to stabilized value). If LTC allows $32M but LTV only $30M, your actual loan is $30M. The more restrictive constraint determines your financing.

Frequently Asked Questions

What's typical LTC for construction/renovation loans?

Ground-up construction: 70-75% LTC. Heavy renovation: 75-80% LTC. Light value-add: 75-85% LTC. Higher LTC for experienced sponsors in strong markets. Conservative lenders require 70-75% regardless of project type.

How is LTC different from LTV?

LTC is loan ÷ total cost (what you spend). LTV is loan ÷ property value (what it's worth). For stabilized acquisitions, they're similar. For development/value-add, LTC is higher (cost < value). Lenders use both to limit loan amounts.

What costs are included in LTC calculations?

Include everything: purchase price, closing costs, hard costs (construction/renovation), soft costs (permits, fees, A&E, legal, financing), interest reserves, lease-up costs. Total project cost = all cash needed to complete and stabilize.

Can LTC exceed 100%?

Rarely—would mean loan exceeds all costs (negative equity). Only possible with seller financing or mezzanine debt on top of senior loan. Most lenders require meaningful equity contribution (at least 20-30%).

What if costs exceed budget and LTC?

Equity must cover overruns. If budgeted $45M at 75% LTC ($33.75M loan, $11.25M equity) but actual costs are $48M, loan stays at $33.75M—equity increases to $14.25M. Maintain contingency reserves for cost overruns.

Model LTC and Equity Requirements

BubbleGum BI tracks project costs and calculates LTC via our financial dashboard to help you manage equity requirements and ensure adequate financing for value-add projects.

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