Start with the outcome you want, then test which development options the property can support. A maximum unit count is useful only when the design, approval pathway, infrastructure and delivery budget also work.
Define the development objective
Do you want to retain a home and earn rental income, sell part of the land, replace an underused building or develop several dwellings? Record your preferred use, likely holding period and the work you are prepared to undertake. That brief helps the planner and designer compare realistic options instead of simply pursuing the largest scheme.
Establish rights before testing yield
Confirm zoning, the applicable zoning scheme, title restrictions, servitudes and existing approval conditions. Separate development available under current rights from proposals needing a new application. A favourable spatial development framework or urban-edge position does not itself grant the proposed land-use rights.
Compare options on the same basis
| Option | Questions worth testing |
|---|---|
| Retain and add | Can another lawful dwelling fit without compromising the main home, access, parking or outdoor space? |
| Subdivide | Will each resulting property be usable, serviceable and separately registerable? |
| Redevelop | Does the location support the proposed use and density, and what additional studies or approvals are needed? |
| Hold or sell under existing rights | Does the property still meet your objective if the more intensive proposal is not approved? |
Test a layout, not just an area calculation
A concept should show existing buildings, proposed accommodation, vehicle access, manoeuvring, parking and usable outdoor areas. Check height, setbacks or building lines, coverage, floor area and relevant density controls. Then investigate slope, drainage, flooding, heritage, vegetation and service capacity where relevant. Technical constraints can reduce yield or increase cost even where the zoning is supportive.
Illustrative example: an owner compares keeping a house and adding one rental dwelling with demolishing it for several units. The larger proposal may require additional parking, servicing and holding time. The smaller project may better meet the owner’s budget and rental objective. The comparison should use evidence from the actual property, not assume either route is permitted.
Turn the concept into a decision
Request a short options assessment recording the likely pathway, key constraints, supporting professionals, dependencies and unresolved assumptions. Have appropriate specialists test construction costs, sale or rental values, finance and tax. Compare a base case with reduced yield, higher costs and a longer programme. Planning approval can define an opportunity; it does not guarantee a return or a particular increase in value.
A comparison of two or three options, with a concept layout, the evidence supporting each and the next investigations needed. This gives you a basis for deciding whether to proceed, revise, hold or stop before detailed design.
Related planning advice
General South African planning guidance. Updated 29 October 2026. Requirements depend on the applicable municipal or council planning controls, approval history and property. Confirm the current position before committing to work or a purchase.