Estimating vs Quoting: What’s the Difference and Why It Matters

Deen Gabriel
Nov 12
2 min read

If you’ve ever planned a renovation or new build, you’ve probably asked: “Can I get a quote?” But what you might really need is an estimate.

While the two terms are often used interchangeably, they serve very different purposes, and understanding the difference can save you time, money, and stress.

🧮 What Is an Estimate?

An estimate is a preliminary cost projection based on available information. It’s flexible, informative, and ideal for early-stage planning.

Purpose: To help you understand the likely cost range of a project.
Based on: Conceptual plans, site conditions, historical data, and assumptions.
Includes: Material costs, labour rates, compliance considerations, and contingencies.
Accuracy: Typically within ±15–30%, depending on project detail.

Think of it as a financial roadmap, helping you decide whether to proceed, adjust scope, or seek funding.

💬 What Is a Quote?

A quote is a fixed price offer, usually provided by a contractor or supplier once the scope is finalized.

Purpose: To commit to a specific price for a defined scope of work.
Based on: Final drawings, detailed specs, and confirmed quantities.
Includes: Terms, timelines, exclusions, and payment conditions.
Accuracy: Fixed, but only valid for a limited time.

Quotes are binding. Once accepted, they form the basis of a contract.

🔍 Why the Difference Matters

Confusing estimates with quotes can lead to:

Budget shocks: If you treat an early estimate as a quote, you may underfund your project.
Scope confusion: Quotes don’t include design changes or unforeseen site issues.
Missed opportunities: Estimates allow you to explore options, quotes lock you in.

By starting with a professional estimate, you gain clarity and control. You can phase your project, compare materials, and prepare for compliance, all before committing to a quote.

🛠️ Real-World Example

Let’s say you’re planning a R300k student accommodation upgrade. An estimate might show:

Electrical upgrade: R80k
Fire safety compliance: R60k
Flooring replacement: R90k
Contingency: R30k
Professional fees: R40k

This helps you prioritize and adjust scope. Once finalized, you’d seek quotes from contractors for each package, with fixed prices and timelines.

🧭 Estimate First. Quote Later. Build Better.

At Intellibuild, we specialize in accurate, transparent estimates that help you plan with confidence. Whether you're renovating a home, upgrading student housing, or building from scratch, we help you make informed decisions before you commit.

Because good buildings start with good numbers.