Buying Off-Plan Property in the Costa del Sol (2025–2026 Guide)
The Costa del Sol continues to be one of Europe’s most attractive real estate markets, especially for buyers seeking modern homes, strong investment returns, and long-term lifestyle benefits. Purchasing off-plan is a preferred strategy for international buyers thanks to flexible payment schedules, competitive launch prices, and the potential for capital appreciation before completion.
This professional guide explains how the off-plan buying process works in 2025–2026, the advantages it offers, the risks involved, and how to protect your investment.
Why Buyers Choose Off-Plan in 2025–2026
Demand for new developments in Marbella, Estepona, Mijas, and Benahavís continues to outpace supply. Many buyers prioritise new homes because they offer:
- Modern, energy-efficient construction
- High-quality communal facilities: swimming pools, gyms, spas, coworking areas, gardens
- Higher rental demand and long-term value
- Lower maintenance costs compared to older properties
Due to limited land in prime areas, off-plan homes often increase in price as construction progresses, creating strong investment potential.
Main Advantages of Buying Off-Plan
1. Lower Entry Price
Launch-phase prices are generally more attractive. Many developments see price increases from early phases to completion.
2. Flexible Payment Structure
Buyers pay gradually, following construction milestones, rather than paying the full amount upfront.
3. Customisation Options
Depending on the stage of construction, buyers can choose finishes and interior materials.
4. Modern Specifications
New-build homes include aerothermal climate systems, underfloor heating, smart-home features, and high energy ratings.
5. Legal Warranty Protection
All off-plan properties in Spain include a 10-year structural warranty under the Ley de Ordenación de la Edificación.
Risks and How to Mitigate Them
Construction Delays
Delays can occur due to weather, licensing, or supply chain issues. A strong lawyer ensures proper contractual protections.
Developer Quality
Always check the developer’s track record for completed projects and build quality.
Mortgage Approval
Financing is only required at completion, but buyers should confirm mortgage eligibility early.
Market Conditions
Markets fluctuate, but the Costa del Sol historically shows strong long-term demand.
Legal Due Diligence
Your lawyer must verify all building licenses, guarantees, and bank guarantees (Aval Bancario) before any funds are transferred.
Typical Off-Plan Payment Structure
- Reservation Fee – fixes the unit and price
- 20% at Private Purchase Contract (minus reservation)
- 10–20% during construction
- 60–70% at completion with the Title Deed
Step-by-Step Buying Process (2025–2026)
- Select the development and unit
- Pay reservation and instruct an independent lawyer
- Legal verification
- Sign the Private Purchase Contract
- Make staged payments
- Pre-completion inspection
- Completion at notary and handover
Mortgage Considerations for Off-Plan Buyers
Spanish banks typically lend 60–70% to non-residents. Pre-approval early in the process helps avoid last-minute complications.
Best Areas for Off-Plan Investment in 2025–2026
- Marbella – high rental demand and strong resale value
- Estepona – excellent quality-to-price ratio
- Mijas Costa – growing demand and strong amenities
- Benahavís – premium new-build communities
- Casares Costa – attractive pricing with increasing popularity
For a deeper look at the most promising developments and investment areas, explore our Top 5 Real Estate Investments in Costa del Sol 2025–2026 guide.
ROI and Appreciation Potential
Off-plan properties commonly appreciate 5–10% from initial launch to completion. New-build homes also achieve higher rental rates and occupancy, especially in tourist-demand areas.
Top 5 Real Estate Investments in Costa del Sol 2025–2026 guide.
Checklist Before Buying Off-Plan
- Verify developer reputation and completed projects
- Ensure all licenses are fully approved
- Confirm bank guarantees for every payment
- Use an independent lawyer
- Understand all payment milestones
- Request estimated community fees
- Confirm expected completion date
- Review specifications and materials
- Check orientation, layout, and views
- Review mortgage requirements early
More Insights on the Costa del Sol Market
For a broader view of price trends, buyer behaviour, and market dynamics influencing off-plan investments, you can also read our in-depth analysis: Costa del Sol Real Estate Trends 2025–2026.
Conclusion
Buying off-plan property in the Costa del Sol in 2025–2026 remains one of the most attractive investment opportunities for international buyers. With excellent legal protections, modern specifications, and strong market demand, off-plan properties offer both lifestyle and financial advantages.
For personalised guidance or updated availability of new developments, feel free to request a consultation.

