January 16, 2026
Rental Investment: 9 Keys to Boost Your Returns
Introduction
In 2025, the average rental yield in France is close to 5.9%... what if you aimed for 7%? If you want to differentiate your project and maximise your profitability, this guide offers you 9 keys to structure each step, from defining objectives to optimising the management of your assets.
At Soléa Realty, we are convinced that expert, free, and transparent support is the key to a successful investment. Our 100% Mauritian team provides you with its network of trusted partners to assist you, from property search to your installation. Ready to take action?
1. Overview of the 2025 Rental Market
1.1 Average Gross Yield per City
In 2025, the gross rental yield in France ranges between 5.2% and 5.9%, with significant variations depending on the area:
| City/Region | Average Gross Yield | Comments |
|---|---|---|
| Paris (Île-de-France) | 3.3% – 4.11% | Very high prices per m², better profitability on small areas. |
| Lyon (Auvergne-Rhône-Alpes) | 4% – 4.3% | Attractive for students and professionals. |
| Marseille (PACA) | 4.19% – 5.36% | Rising rents, revaluation opportunities. |
| Nice (PACA) | 3.95% – 4.57% | High prices, modest yield. |
| Toulouse (Occitanie) | 4% – 5.2% | Good price/rent balance. |
| Montpellier (Occitanie) | 5% – 5.49% | Strong student potential. |
| Lille (Hauts-de-France) | 5.41% | Above the national average. |
| Nantes (Pays de la Loire) | 4.91% | High-performing medium-sized city. |
| High-yield cities | 7% – 11.3% | Saint-Étienne (10.26%), Mulhouse (11.3%). |
These data, from INSEE, MeilleursAgents, and 2025 analyses, serve as a starting point for choosing your investment area. To delve deeper into the real estate profitability rate, consult this dedicated study.
1.2 From Gross to Net: Factors to Integrate
A gross yield of 5.9% can quickly drop to 3–5% net after considering:
- Non-recoverable co-ownership charges.
- Property tax and local taxes.
- Provisions for works and maintenance.
- Insurance (PNO, unpaid rents).
- Income tax and social contributions.
The DPE plays a major role. A property classified E or lower requires costly energy renovation works. In addition, the management and governance of the co-ownership can increase your costs. Always calculate your expected net yield (4–6%) and adjust your gross ambitions accordingly.
2. Key 1: Define Your Objectives and Investment Strategy
Before any search, clarify your direction:
- Main purpose: income supplement, wealth creation, or tax optimisation.
- Type of rental: unfurnished, furnished (LMNP), or short-term.
- Horizon: short-term (quick cash flow) or long-term (capital appreciation).
To guide you, complete this mini-template:
- Objective: ...
- Preferred rental: ...
- Target gross yield: ...
- Minimum net yield: ...
- Horizon: …
- Available down payment: …
This framework allows you to guide your choices at every stage, from first bank contact to rental.
3. Key 2: Conduct a Thorough Market Study
A reliable market study draws on several sources:
- Ad portals (Le Bon Coin, SeLoger).
- Valuation sites (MeilleursAgents, Bien’ici).
- Public data (INSEE, Observatoires des Loyers).
- Local alerts and newsletters.
Focus on:
- Demographics (students, working population).
- Economic dynamism and urban projects.
- Vacancy rate and average re-letting period.
Example: in Toulouse, a studio near the station shows a gross yield of 4%, 3% vacancy, compared to 5.2% gross and 5% vacancy in a peripheral district. Choosing the latter increases profitability but also the risk of vacancy. Adjust according to your strategy.
4. Key 3: Calibrate Your Budget and Financing Plan
The projected cash flow is calculated as follows:
- Gross annual rent = monthly rent × 12.
- Deduct non-recoverable charges, taxes, loan instalments.
- Factor in a rental vacancy (5–10%).
To go further, download our free Excel template and customise your assumptions. On the financing side:
- Prepare a solid application (down payment, income, borrower insurance).
- Negotiate rates and application fees or use a broker.
- Consider delegating insurance to get a better delegated rate.
5. Key 4: Sourcing and Selection of the Ideal Property
In tight markets, prioritise small properties that maximise gross yield. Conduct your sourcing via:
- A property finder for advanced filtering and access to off-market offers.
- Monitoring portals, coupled with email alerts.
During visits, stick to your checklist:
- DPE and technical diagnostics.
- Co-ownership charges and voted works.
- Optimisation potential (load-bearing walls, partitions).
- Attractiveness of the neighbourhood (shops, transport, schools).
6. Key 5: Negotiating and Securing the Purchase
To convince the seller:
- Present a transparent net yield calculation.
- Propose a preliminary agreement with conditional clauses: financing, diagnostics, absence of mortgage.
To gain negotiation leverage:
- Make a quick offer with a firm commitment.
- Suggest that the seller undertake minor works.
- Highlight defects (paint refresh, worn carpet) to justify a price reduction.
7. Key 6: Renovate and Furnish to Maximise Rental Value
Opt for high-value-added works:
- Thermal insulation (attics, walls).
- Double glazing and high-performance joinery.
- Kitchen and bathroom renovation.
- Space optimisation (integrated wardrobes, light partition walls).
Allocate 5–10% of the purchase price for these works, with a 5% margin for contingencies. For economical furnishing, choose modular and durable furniture packs that are attractive for furnished rentals.
8. Key 7: Select the Tenant and Secure Your Rents
Draft a clear and honest advertisement: quality photos, precise description, and highlighting of assets. To secure:
- Request income ≥ 3× the rent amount.
- Require a guarantor or a Visale/GLI guarantee.
- Draft a compliant lease, carry out a detailed inventory.
- Take out unpaid rent insurance.
9. Key 8: Internalise or Delegate Rental Management
Direct management can be time-consuming. Agencies charge on average 6–8% of rents, online platforms around €100/year. With Soléa Realty, benefit from 100% free rental management for you, covered by our network of partners. You benefit from:
- Rent reminders and unpaid rent monitoring.
- Issuing rent receipts and annual revision.
- Coordination of diagnostics and maintenance work.
- Personalised support, even if you are abroad.
10. Key 9: Measure, Adjust, and Scale Your Portfolio
Manage your investment with these indicators:
- Occupancy rate.
- Real annual cash flow.
- Overall and per-asset ROI.
- Average annual cost of works.
Renegotiate your loan as soon as a 0.2–0.3% drop appears and consider acquiring a second property in a high-yield city (Saint-Étienne, Mulhouse). To diversify, also consider Mauritius: with Soléa Realty, discover an exclusive portfolio of new villas offering a gross yield exceeding 6% and 100% free management.
Focus: 2025 Tax Schemes
| Scheme | Principle | Advantages |
|---|---|---|
| Denormandie | Purchase of old property + works ≥ 25%, unfurnished rental 6–12 years | Tax reduction up to 21% (max €63,000), value appreciation through works |
| LMNP (actual costs) | Non-professional furnished rental | Depreciation of property and furniture, deductible deficit, tax-free income |
Post-Pinel alternatives: land deficit, Loc’Avantages (rent reduction via intermediation), optimisation of micro-foncier for low rents.
Compare Denormandie and LMNP to determine the most suitable scheme for your situation.
Budget All Ancillary Costs
| Ancillary Costs | Range | Comment |
|---|---|---|
| Notary fees (old property) | 7–8% | Registration duties, emoluments, CSI |
| Notary fees (new property) | 2–3% | VAT, land publicity tax, CSI |
| Works | €200–€2,500/m² | Depending on level (light to heavy energy renovation) |
| Bank charges | 0.4%–1% loan + €500–€1,500 | Application and guarantee |
| Co-ownership charges | ≈ €47/m²/year | Water, maintenance, heating |
| Property tax | €1,000–€3,000/year | Variable depending on municipality |
Simulate your total costs by adding 10–15% to the purchase price and plan an annual provision of 5–10% of rents for contingencies.
For a complete overview of ancillary costs for property purchase, consult this specialised resource.
Comparison: Flatshare, Short-Term, or Long-Term Furnished Rental
| Criterion | Furnished Flatshare | Short-Term (Airbnb) | Long-Term Furnished Rental |
|---|---|---|---|
| Yield | 6–8% | 10%+ | 4–6% |
| Occupancy Rate | Very high | Variable (up to 89%) | Stable |
| Management | Medium | Intensive | Light |
| Risks | Low vacancy | Seasonal and regulatory | Moderate vacancy |
| Taxation | LMNP actual or micro-BIC | Optimal LMNP actual | LMNP micro-BIC (50% allowance) |
| Ideal for | Student areas | Tourist areas | Stable income |
Choose the formula according to your availability, local constraints, and your appetite for management.
Conclusion
You now have the 9 keys to structure and optimise your rental investment. Download our complete checklist to follow each step without forgetting anything.
By relying on Soléa Realty, you benefit from a 100% free, transparent service and keen local expertise, whether you invest in France or explore opportunities in Mauritius. So, what are you waiting for to launch your first project?
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