Sole mandate vs open mandate: which is better for a Hermanus seller?
By Simon Andrew | rare erf seller advisory
About the author: Simon Andrew is the founder of Rare Erf, a seller advisory service for property owners in Hermanus and the Overstrand. A property consultant for Fine & Country, the international real estate agency network specialising in upper-bracket properties, Simon brings over three decades of international marketing experience and a background in psychology and negotiation to his work. He helps sellers prepare, position and market their properties, make informed decisions and achieve the best possible outcome.
Is giving an estate agent a sole mandate a good idea?
Giving several estate agents permission to sell your home can feel like the sensible option. More agents, more buyers, more chances of a good offer. And if one agent disappoints, the others are still working.
That reasoning is understandable. But several agents can end up chasing the same buyers, duplicating advertising and working towards different versions of your selling strategy.
For a Hermanus seller, my preference is usually a properly structured sole mandate: one capable agency, a defined period, a written marketing plan and clear accountability.
The word “properly” matters. Exclusivity should come with commitments from the agent that are just as clear as the commitments expected from you.
What is the difference between a sole mandate and an open mandate?
A mandate authorises an estate agent to market your property and seek a buyer.
With an open mandate, you authorise more than one agency to do so. With a sole mandate, you appoint one agency for an agreed period.
| Question | Sole mandate | Open mandate |
|---|---|---|
| Who manages the sale? | One appointed agency | Several agencies working independently |
| How is marketing organised? | One coordinated campaign | Separate campaigns that need coordination |
| Who reports to you? | One lead agent | Each agent reports on their own activity |
| Can other agents bring buyers? | Yes, if cooperation is agreed | Yes, through their own mandates |
| What needs particular attention? | Performance commitments and exit terms | Consistent pricing, buyer records and overlapping commission claims |
Read the agreement itself. Labels such as “sole” and “exclusive” do not tell you everything about your rights, particularly if you find your own buyer.
Why a properly structured sole mandate often works better
1. It gives the agent a stronger reason to invest
Good property marketing takes time and money. Professional photography, floor plans, video, paid advertising, buyer follow-up and carefully managed viewings all require resources.
Under an open mandate, an agency may spend on your property and receive nothing if another agency concludes the sale. That uncertainty can make substantial upfront investment harder to justify.
A sole mandate gives the appointed agency greater confidence that its work can lead to a return on investment. This gives the agency a stronger commercial reason to commit resources and take responsibility for the campaign.
It does not, however, guarantee that the agency will do so. Ask exactly what it will provide, when it will happen and who pays. “We will market it extensively” is a promise with very little furniture in it.
2. Your property reaches the market with one clear story
Consider a premium home in Fernkloof, Voëlklip or Westcliff. The appeal might lie in its setting, privacy, architecture, outlook or suitability for a particular way of living.
The marketing should explain that appeal clearly and consistently.
With several agents, the same property can appear with different photographs, descriptions and factual details. Outdated listings can also leave conflicting prices in circulation. That gives buyers unnecessary questions before they have even booked a viewing.
One agency can maintain a single, accurate set of information and carry agreed changes through the campaign. This matters when you are asking buyers to recognise value beyond the number of bedrooms.
3. More listings do not automatically mean more buyers
Three agents advertising on the same property portal may reach many of the same people. Their buyer networks may overlap too.
The useful question is how each marketing activity adds qualified buyers to the conversation.
For your Hermanus property, the plan might need to reach local households, prospective relocators, second-home purchasers or buyers researching from overseas. The right audience depends on the home.
Ask an agent how they will reach that audience, how they will follow up and what they will do beyond uploading a listing. Counting agents is a poor substitute for examining the plan.
4. Negotiations have a clearer centre of responsibility
Under an open mandate, agents compete to secure the transaction. That can encourage activity, but it can also create pressure to get an offer accepted before another agency does.
A well-run sole mandate gives one agent an overview of enquiries, feedback and offers. They can compare each buyer’s position and advise you on the whole deal: price, funding, conditions, timing and the likelihood of completion.
You still need an agent prepared to defend your interests. A sole mandate does not remove the incentive to close a sale quickly, and it cannot turn weak negotiation into strong negotiation.
Choose someone who can explain when they would recommend accepting an offer, when they would push back and what evidence would support that advice.
5. You can see what is working
If several agents report a quiet week, it can be difficult to work out whether the problem is the price, the presentation, the audience or the follow-up.
One lead agent should be able to give you a joined-up account:
Which marketing activities have taken place?
How many distinct enquiries and viewings have they produced?
What objections keep coming up?
Are interested buyers able to proceed?
What should change next, and why?
A useful update connects activity to decisions. A screenshot showing thousands of advertising impressions says little on its own.
6. The process can be easier to live with
Selling a home already brings disruption. Multiple agents can mean repeated questions, overlapping viewing requests and uncertainty about who has spoken to whom.
One point of contact makes access, feedback and document requests easier to manage. For an occupied home, a holiday property or a seller living elsewhere, that organisation has practical value.
Does a sole mandate shut out other agents’ buyers?
It doesn’t have to.
You can ask the appointed agency to cooperate with other agents who have suitable buyers, using an agreed referral or commission-sharing arrangement. One agency remains responsible for the campaign while other agents can contribute buyers.
This cooperation is not automatic. Discuss it before signing.
Ask whether the agency welcomes outside introductions, how viewings will work and how fees will be shared within the agreed total commission. Have those arrangements documented so that bringing in another agent does not create an unexpected additional bill.
What should a properly structured sole mandate contain?
South Africa’s Property Practitioners Code of Conduct requires a sole mandate to be signed and in writing, with a specific calendar expiry date. It also requires written explanations of the agent’s marketing obligations and the implications of selling privately or through another agent during or after the mandate.
Build on that foundation with practical commitments.
An evidence-based pricing strategy. Ask for comparable sales and a reasoned explanation of your property’s position. The highest suggested asking price should not automatically win the appointment.
A defined campaign. Record the photography, floor plans, advertising channels, buyer outreach and launch dates. State which costs the agency covers and which require your approval.
An agreed reporting rhythm. A weekly update and a more detailed review after the first month are sensible starting proposals. Reviews should examine the evidence before recommending changes.
A suitable term. A 90-day initial period is one option to discuss, rather than a rule for every property. The period should give the proposed campaign time to work while providing a clear point for reassessment.
Clear fees and commission triggers. Record the rate, VAT treatment, when commission is earned and payable, and any separate charges. Address private buyers, buyers already known to you and possible claims after expiry.
Written arrangements for cooperation and underperformance. Agree how other agents can introduce buyers, what happens if promised work is missed, and the process for remedying failures or ending the appointment.
A review date is useful, but it does not itself create a right to cancel.
Where section 14 of the Consumer Protection Act applies, a consumer can cancel a fixed-term agreement on 20 business days’ notice, subject to amounts owing and a reasonable cancellation penalty. This is not a blanket, cost-free exit available to every seller; section 14 excludes transactions between juristic persons. Check how the rules and your mandate apply before cancelling or appointing someone else.[2]
A R10-million example: judge the likely net result
Imagine you are preparing to sell a Hermanus home for around R10 million.
One agency offers a lower commission but a vague marketing plan. Another proposes a sole mandate with better presentation, a credible buyer strategy, regular reporting and clear negotiating responsibilities.
The second proposal deserves serious consideration, but it still needs scrutiny.
A 2% difference in sale price on R10-million is R200,000, before commission and other selling costs. That illustrates why presentation and negotiation deserve attention. It is not a forecast that a sole mandate will produce a 2% premium.
Compare the likely net proceeds, the quality of the plan and the risks. Neither the lowest commission nor the highest valuation tells you enough on its own.
When might an open mandate make sense?
An open mandate can be reasonable where you have a specific reason to involve several agencies with genuinely different buyer networks and are willing to coordinate their work.
It may also suit a seller who prefers that arrangement and understands the trade-offs.
If you choose it, give each agent the same approved price and property information. Keep records of buyer introductions and clarify commission terms before accepting an offer. When more than one agent has dealt with the same purchaser, entitlement can become disputed; do not assume that only the agent who submits the final offer could have a claim.
An open mandate also does not necessarily mean you can walk away without any obligations. Each agreement still needs to be understood.
Choose the agent and the agreement together
A capable agent on an open mandate can serve you better than an unsuitable agent with exclusivity.
My preference for a sole mandate rests on what it makes possible: committed marketing, consistent presentation, coordinated negotiation and someone clearly responsible for progress.
Before appointing anyone, ask them to put their proposed work alongside the commitments they want from you.
A sole mandate should give you a clear basis for expecting more from your agent. Exclusivity is something they should earn through the plan – and keep earning through the work.
If you are preparing to sell in Hermanus or the Overstrand, I can help you think through your pricing, preparation and mandate. Contact me for an initial consultation that carries no obligation.
Simon Andrew authors the Rare Erf Sellers Advisory - and works for international premium property specialists, Fine & Country in Hermanus.