Enter your purchase, works, fees and GDV. This calculator shows your margin in pounds and percent, then gives an instant Green, Amber or Red verdict — with two one-tap stress tests so you can see how thin the deal really is.
Your deal numbers
Drag the sliders or type the figures directly.
Stress-test the deal
This calculator is an indicative planning tool only. It is not advice, a valuation, or a guarantee of profit. A green result is not a recommendation to proceed — get the deal properly assessed before committing capital.
How the deal stacks
Base case — no stress applied
Purchase£240,000
Works£310,000
Fees & finance£45,000
GDV£780,000
Margin£185,000 · 23.7%
Margin (£)
£185,000
Margin (%)
23.7%
✓ GREEN · Margin 20% or more — the deal stacks on these numbers
AssetEye provides property risk intelligence for awareness and planning purposes only. It is not investment advice, mortgage advice, legal advice, or financial advice. It does not constitute a RICS valuation, building control approval, or planning permission. No guarantee of profit, lending, or project outcome is implied or given. Always seek qualified professional advice before committing capital.