One shared price scale that lines up every signal — the algorithms, the comparable evidence, your assessed fair value, where the vendor is really anchored, and the client's budget. Where the lanes overlap is where a deal lives. Where they don't is where ego is sitting.
01
The Valuation Map
all ranges to scale · edit inputs below to move the bands
Algo / market realityComparable-based valueFair value (your assessment)Vendor expectationClient budget markersNegotiation zoneOverpay zone
02
Comparable Evidence
like-for-like sales · drives $/m² → comp-based value
Date
Address
Land m²
Sale Price
$/m²
Beds
Notes
Averages (sample)
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—
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Avg Land m²
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Avg $/m²
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Target Land m²
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Comp-Based Value
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Comp-based value = average $/m² × target land size. Treat it as one input, not a verdict — larger blocks rarely scale linearly, and renovation, scarcity and owner-occupier appeal sit outside the $/m² maths. Your fair-value band is the human overlay that corrects for it.