Market Approach for Real Estate: The Sales Comparison Method
Value comes from what similar properties sold for, adjusted towards the one you are valuing.
The market approach values a property by looking at what similar properties actually sold for, then adjusting each sale for the ways it differs from the property being valued. In Indian practice it is usually called the sales comparison method, and the sales themselves are called sale instances.
It is the default method for flats, plots and standard commercial units, where enough transactions exist. Its weakness is the evidence: registered sale values can be understated, listings are asking prices rather than prices, and no two properties are identical. Most of the skill is in choosing and adjusting the comparables.
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The Method in Five Steps
- 1
Define the subject
Fix the interest being valued (freehold, leasehold), the area basis (carpet, built-up or super built-up) and the valuation date.
- 2
Collect sale instances
Registered sale deeds, developer sale data, bank auction results and broker enquiries. Prefer completed sales close in time and location to the subject.
- 3
Screen for genuineness
Drop related-party deals, distress sales and transfers at a nominal value. A sale that is not at arm's length is not market evidence.
- 4
Adjust each comparable towards the subject
Time (market movement), location, floor, size, age and condition, frontage, amenities and tenure.
- 5
Reconcile
Weight the adjusted rates, giving more weight to the comparables that needed the smallest total adjustment, and apply the result to the subject's area.
Worked Example: Adjustment Grid for a Pune Flat
Illustration only. Subject: a 1,000 sq ft carpet-area flat on the 6th floor in Baner, valued for a bank mortgage. Adjustments are percentages applied to each comparable's rate, added together (one common convention).
Sale rate (₹ per sq ft carpet)
Comparable A
9,500
Comparable B
10,400
Comparable C
9,000
Time since sale
Comparable A
8 months: +4%
Comparable B
2 months: +1%
Comparable C
12 months: +6%
Location
Comparable A
Same: 0%
Comparable B
Better road: -5%
Comparable C
Weaker: +3%
Floor
Comparable A
Higher floor: -2%
Comparable B
Same: 0%
Comparable C
Same: 0%
Age and condition
Comparable A
Older: +3%
Comparable B
Newer: -2%
Comparable C
Older: +2%
Net adjustment
Comparable A
+5%
Comparable B
-6%
Comparable C
+11%
Adjusted rate (₹)
Comparable A
9,975
Comparable B
9,776
Comparable C
9,990
Gross adjustment
Comparable A
9%
Comparable B
8%
Comparable C
11%
Weight given
Comparable A
30%
Comparable B
45%
Comparable C
25%
| Item | Comparable A | Comparable B | Comparable C |
|---|---|---|---|
| Sale rate (₹ per sq ft carpet) | 9,500 | 10,400 | 9,000 |
| Time since sale | 8 months: +4% | 2 months: +1% | 12 months: +6% |
| Location | Same: 0% | Better road: -5% | Weaker: +3% |
| Floor | Higher floor: -2% | Same: 0% | Same: 0% |
| Age and condition | Older: +3% | Newer: -2% | Older: +2% |
| Net adjustment | +5% | -6% | +11% |
| Adjusted rate (₹) | 9,975 | 9,776 | 9,990 |
| Gross adjustment | 9% | 8% | 11% |
| Weight given | 30% | 45% | 25% |
Reading the Result
Weighted rate: (9,975 × 0.30) + (9,776 × 0.45) + (9,990 × 0.25) = 2,992.5 + 4,399.2 + 2,497.5 = ₹9,889 per sq ft. On 1,000 sq ft that is about ₹98.9 lakh, which a valuer would round and report as ₹99 lakh.
Comparable B gets the highest weight because it needed the least total adjustment (8% gross), not because its net adjustment happens to be small. Net adjustment can hide large offsetting changes, so gross adjustment is the better test of how comparable a sale really is.
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Terms the Syllabus Uses
- Sale instance
- A completed, genuine transaction of a comparable property, used as evidence of market value.
- Adjustment grid
- A table that adjusts each comparable, factor by factor, towards the subject, as in the example above.
- Hedonic model
- A regression of sale prices on property attributes (area, floor, age, distance to a metro station), used where many transactions exist. Each coefficient is the market's price for one attribute.
- Plus and minus factors
- The Supreme Court's term in Chimanlal Hargovinddas (1988) for features that make the subject worth more or less than the comparable: smallness of size, road frontage and regular shape on one side; large area, interior location and a narrow strip on the other.
How the Valuation Examination Tests This
Expect a case study with three or four sale instances and a question on the adjusted rate or the final value. The common trap is the direction of adjustment: you adjust the comparable to look like the subject, so a comparable that is better than the subject is adjusted down. The second trap is mixing carpet and super built-up rates in the same grid.
FAQs
What is the sales comparison method of valuation?expand_more
It values a property from the prices of similar properties sold recently nearby, adjusted for differences in time, location, size, floor, age and other features. It is the market approach applied to real estate.
Can I use listing prices as comparables?expand_more
Only as supporting evidence of market sentiment. Asking prices are not transactions and usually sit above the eventual sale price. The report should rest on completed sales.
How many sale instances are needed?expand_more
No rule fixes a number. Three or more close comparables is common practice; with fewer, say so in the report and support the result with another approach.
Should a guideline value be used as a comparable?expand_more
No. A guideline or ready reckoner rate is a government rate for stamp duty, not a transaction. It can be reported alongside market value, but it is not evidence of it.
Next steps
- Land Valuationarrow_forward
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- Guideline Valuearrow_forward
- Valuation Approachesarrow_forward
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