03/06/2026
🧠 The Viability Formula: How We Decide if a Site is Worth Your Capital 💰
Before a single brick is laid, the most important calculation in property development is: Is the land worth the price?
This is where Residual Land Value (RLV) and Benchmark Land Value (BLV) come in. These concepts are the bedrock of investor risk management at OLD-Homes.
The Math That Matters:
• Residual Land Value (RLV): The maximum we can pay for land while still hitting our target investor profit.
• Benchmark Land Value (BLV): What the land is worth today based on its current use, plus a premium for the vendor.
The Rule: If RLV is lower than BLV, the deal is dead—unless local expertise can negotiate purchase terms, cut costs, or increase the GDV (often through enhanced planning).
Why This Protects Your Investment:
We don't rely on guesswork. Every site is stress-tested with local data to ensure it has a margin of safety to absorb cost rises or delays. By refusing to overpay for land, we protect investor capital from day one.
➡️ Read the full article here: https://old-homes.co.uk/insights-blog/residual-value-benchmark-land-how-to-know-if-a-sites-worth-it
➡️ Want to see our viability math on live Oxfordshire sites? Download our Sample Appraisal Pack or book a walk-through call with our founding team. [https://old-homes.co.uk/invest