Understand what a development offer means for your land
An outright price, an area share and a revenue share can sound impossible to compare. DevPartner puts them on one stated planning, cost and revenue base so you can see the implied land value, the assumptions doing the work and the questions that still need professional verification.
Compare the structures on one base
The headline percentage is not the answer. A share only has meaning beside the area that can actually be developed, the saleable product, the achievable rate, the programme, the costs and the risk carried by each party.
| Structure | What the owner receives | What must be tested |
|---|---|---|
| Outright sale | An agreed price and payment schedule | Certainty, timing, tax, security and whether the price reflects supported development value |
| Area share | A defined share of completed saleable area | Area definition, unit allocation, specification, delivery timing and unsold inventory risk |
| Revenue share | A percentage of realised project revenue | Revenue definition, deductions, reporting, collection controls, timing and sales risk |
Questions the proposal should answer
- Which authority and verified rule version support the planning assumptions?
- What plot deductions, FSI, coverage, setbacks, height and parking constraints apply?
- How are carpet, saleable and owner-share areas defined?
- Which costs and deductions are taken before a revenue share is calculated?
- What security, milestones, reporting rights and remedies protect delivery?
- What happens if approvals, cost, sale rate or the programme move against the base case?
Use the number to improve the decision
A residual value is most useful as a negotiation boundary, not as a promise. Run a base case, then test lower sale rates, higher costs and slower delivery. If the proposed structure only works in the optimistic case, the commercial terms or risk allocation need to change.
Test the offer
- Joint development calculator
Compare outright, area-share and revenue-share structures on one base.
- Residual land value calculator
Estimate what the stated development case can support for land.
- Land feasibility
Work from site facts and planning capacity through cost, revenue and sensitivity.
- Discuss a site
Tell us the site, the offer and the decision you are trying to make.
Frequently asked questions
- Does this tell me what my land is worth?
- It shows what a stated development scheme may support after stated costs, finance and developer return. That residual is decision support, not a market valuation, legal opinion or guaranteed offer.
- Can I compare an outright sale with a joint development agreement?
- Yes. Use one planning, cost and revenue base to compare an outright price, area share and revenue share. The result exposes the implied land cost and the value each structure leaves with each party.
- Does DevPartner confirm the FSI or approvals for my site?
- No. Planning inputs must come from the competent authority or your appointed planning professional. If the jurisdiction or rule version is not verified, DevPartner states the gap rather than presenting a statutory answer.
- What information should I collect before comparing offers?
- Start with title and survey records, plot extent, road access and frontage, zoning, confirmed FSI or FAR, reservations or road widening, the proposed product, expected sale rates, development costs and the commercial terms offered.
- Do these tools replace a lawyer, valuer or architect?
- No. They help you ask better commercial questions and compare offers consistently. Use qualified legal, valuation, planning, design, tax and engineering advisers before signing or relying on a transaction.
Take this from a calculator to a decision
A single-page calculator cannot phase a programme, model cash flow, compare structures on one base or freeze a report. DevPartner's deterministic engine does — with every assumption traced back to the value you entered.