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What Is a Comparative Market Analysis (CMA)?

A Comparative Market Analysis (CMA) estimates your property's value using recent local sales. Learn what a CMA report includes, how it differs from a formal valuation, what it costs in Australia, and how to get a free one in minutes with Envelope.
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Written by
Envelope's property team
Published on
June 15, 2026

Thinking about selling or checking a property's price? A Comparative Market Analysis (CMA) shows recent sale prices for similar homes nearby. Usually, you need an agent or spend hours on listings. With Envelope, you get a free CMA in minutes, no strings attached.

Quick answer

A Comparative Market Analysis (CMA) is a report from a real estate agent estimating your property value using recent local sales. It's not a formal valuation, but it's a very helpful tool for setting your price or deciding what to offer.

In this guide

  1. What exactly is a CMA?
  2. What's included in a CMA report?
  3. Benefits of getting a CMA
  4. CMA vs. property valuation: what's the difference?
  5. How the CMA process works (step by step)
  6. Who should get a CMA?
  7. How much does a CMA cost?
  8. Frequently asked questions

What exactly is a CMA?

A Comparative Market Analysis compares your property to recently sold similar homes nearby to estimate its current value.

A CMA gathers data on recently sold properties, known as "comps" or comparables, that are similar to yours in size, style, location, and features. If you think the comps don't match your home, an agent or Envelope can adjust for things like a pool, solar panels, or recent renovations to give you a realistic price range.

It's similar to comparison shopping, but instead of looking at phones or flights, you're comparing houses. This is a practical and quick way to see what buyers are really paying, not just what sellers hope to get.

Key takeaways

  • A CMA is an indicative estimate prepared by a licensed real estate agent, not a licensed valuer.
  • It doesn't carry legal weight, but it's highly practical for pricing decisions.
  • It uses recent sales data from your suburb or the surrounding area.
  • It gives you a price range, not a single fixed number.
  • In Australia, CMAs are almost always provided by real estate agents as part of the sales process.

What's included in a CMA report?

A good CMA report is more than a list of sold prices. It breaks down the details to help you understand what the numbers mean. Here's what you'll usually see:

Your property's details

The starting point is a profile of your home: bedrooms, bathrooms, car spaces, land size, building size, and similar features, detailed for reference against comparable properties.

Recently sold comparable properties (comps)

Typically, three to five homes sold in the past three to six months are included, with their sale prices, photos, and sale dates. Most platforms prioritise the most recent sales, but if recent examples are scarce, the timeframe widens to find the closest available matches. The range can be longer if you live in a tightly held suburb.

How the comparables are displayed

Comps are usually shown in a few ways. A side-by-side table lets you compare things like price per square metre, number of bedrooms, and land size. A map view shows where each comparable property is, which can explain price differences. Some platforms also have a grid view with photos and key details to help you see what you're comparing.

Confidence scores and price ranges

Some reports show a price range based on the comps to give you a starting point. This range is meant to be broad, not exact. Some platforms also include a confidence score to show how closely each comp matches your home on important factors.

Estimated price range

Using all this information, a CMA gives you a realistic price range for similar homes that have recently sold nearby. This helps you better understand the market.

Benefits of getting a CMA

Whether you're getting ready to sell or thinking about making an offer, a CMA gives you a stronger position. Here's why it's important:

Know when the time is right

A CMA gives you an estimated value for your property, which is helpful whether you're unsure about selling or have already decided. If your home's value has gone up a lot, this number might help you decide it's time to move.

Price your home right from day one

If a home is priced too high, it can sit on the market too long. If it's priced too low, you might lose money. A CMA helps you find the right price to attract buyers and get the best outcome.

Negotiate with confidence

You can use a CMA to check if a property's price is fair before making an offer, so you don't have to rely on guesswork or intuition.

It's fast

A typical CMA from an agent takes about 24 to 48 hours. With Envelope, you can get one in just minutes. In contrast, a formal valuation can take up to two weeks, which might be too long in a busy market.

It's (almost always) free, but often there's a catch

In Australia, real estate agents usually offer a CMA at no cost. They provide this service to build relationships with potential clients, hoping you will choose them to sell your property.

Real data, not guesswork

A CMA uses real sales data, so the numbers reflect what's actually happening in your area. With Envelope, you can get this information directly, without relying on someone else's interpretation.

Understand the market around you

Even if you're not planning to sell yet, a CMA gives you a helpful snapshot of your local market. It's useful for planning renovations, making refinancing decisions, or simply staying informed.

Plan ahead

If you're thinking about selling in the next year or two, getting a CMA now can show you which improvements are worth making to help you get the best sale price later.

CMA vs. property valuation: what's the difference?

This is a common question and it's a good one. People sometimes use the two terms interchangeably, but they actually mean different things.

Envelope's Comparative Market AnalysisTraditional Comparative Market AnalysisFormal Property Valuation
Who prepares it?Envelope's bespoke toolLicensed real estate agentLicensed property valuer
CostAlways freeUsually free$300 to $600 (average)
Turnaround time5 minutes24 to 48 hours5 to 15 business days
Used forBenchmarking offers on your claimed home, setting a listing price, making an offerSetting a listing price, making an offerMortgage approvals, refinancing, legal matters
Legally recognised?NoNoYes
Required by lenders?NoNoYes for home loans
Ability to personaliseYes, share more details and our team can update your compsUnlikely without a contractNo

The short version: Use a CMA when you're deciding whether to sell and what to ask for. Get a formal valuation when your bank or lender requires it for a mortgage or refinance. Most people will need both at different stages of a property transaction.

How the CMA process works (step by step)

Curious about what goes into a CMA? Here's what happens behind the scenes:

Step 1: Gather your property details

First, we collect details about your home, such as the number of bedrooms, bathrooms, car spaces, land size, and floorspace.

Step 2: Search for comparable properties

Next, we use our bespoke tool to find similar homes that have sold in your suburb or nearby, usually within the last three to six months.

Step 3: Adjust for differences

No two homes are exactly the same. If a comparable property has an extra bathroom or a bigger block, we can help adjust for those differences at your request to make the comparison as fair as possible.

Step 4: Deliver a price range and recommendation

We give you a realistic range for your property, along with clear reasons for it, so you can make a confident and informed decision.

Who should get a CMA?

A CMA is helpful in more situations than many people think. You might want to get one if you are:

  • Thinking about selling: even if it's 12 months away. Knowing your home's current value helps you plan.
  • About to list your property: an essential first step in deciding if you should go to market, and if so, what price you should expect.
  • Buying in a competitive market: a CMA helps you assess whether a listed price is fair, so you can offer with confidence.
  • Considering a renovation: a CMA helps identify which improvements would add the most value in your specific market.
  • Reviewing your mortgage or equity position: understanding your current property value can inform refinancing decisions.
  • Comparing real estate agents: requesting a CMA from multiple agents is a great way to gauge their local market knowledge.

How much does a CMA cost in Australia?

Most of the time, a Comparative Market Analysis is free. Real estate agents usually offer it when you're thinking about selling, hoping you'll choose them as your agent. The trade-off is that you might have to listen to sales pitches or feel awkward if you're not ready to sell. Sometimes, an agent might even give you an inflated value to make their pitch more appealing.

Our tip: Try Envelope's CMA. It's free, fast and has no obligations. Plus, if you contact us, we can help you personalise your comparable properties.

Frequently asked questions

Is a CMA the same as a free appraisal?

They're often used interchangeably in Australia, but they're not quite the same thing. A free appraisal is an informal price, typically generated through online tools and often by an agent, and is essentially a CMA by another name. A formal property appraisal or valuation, on the other hand, is a legally recognised document prepared by a licensed valuer, typically used for mortgage or legal purposes. If an agent offers you a "free appraisal," they're almost certainly offering a CMA.

How accurate is a CMA?

A well-prepared CMA is a reliable guide to market value if used correctly. However, it's still an estimate, not a guarantee. The final sale price depends on things like buyer interest, marketing, timing, and how the property is presented.

How often should I get a CMA?

The property market can change a lot in 6 to 12 months. If you're planning to sell, get a new CMA within three months of your listing date. If your CMA is six months old, it's a good idea to update it before making decisions.

Can I do my own CMA?

You can do a basic comparison yourself using public data on realestate.com.au or Domain by checking recent sold prices for similar homes nearby. This is a good starting point and helps you talk to agents with more knowledge. Still, a professional CMA is more accurate, detailed, and considers factors that are hard to spot without local expertise. Most CMA tools are behind a paywall and not available to everyone. Envelope offers a free CMA tool, which is helpful whether you're negotiating with an agent, deciding on a listing price, or just curious about your property's value.

Does a CMA affect my home's value?

No, a CMA is just an estimate of your home's current value; it doesn't change the value itself. It's like checking your bank balance: the number is already there, and the CMA simply shows it to you.

How many comps should a good CMA include?

A good CMA should have at least three recently sold comparable properties, and ideally five or more. In areas with fewer sales, we may need to look at a wider area or older sales to find enough comps.

What's the difference between a CMA and an Automated Valuation Model (AVM)?

An Automated Valuation Model (AVM), like the estimates you see on the big property portals, uses algorithms and historical data to generate an instant price estimate. They're quick and convenient, but they can't account for your home's condition, recent renovations, or hyper-local market nuances. A CMA considers all of these things, making it considerably more reliable for pricing decisions.

Get your free CMA ❯