Monaco is one of the world’s most exclusive real estate markets, concentrating an extraordinary density of prime addresses, world-class infrastructure, and enduring prestige within one of the most tightly held territories on earth. It’s a rarity few global markets can match, sustained by consistent, long-term demand from an international buyer base.
For buyers and investors, this scarcity sharpens a decision that has long shaped the Monaco real estate market: whether to acquire an older property and take on renovation, or to buy new.
Mareterra now stands as the clearest reference point for what a new-build purchase in Monaco looks like today, a fully delivered, purpose-built eco-district with modern systems, world-class amenities, and sustainability built into its very core.
Older buildings, like Adelaide Palace, Victoria Palace, Palais Héraclès, Belle Epoque, and Le Schuylkill, typically concentrated in Monaco’s established central districts, offer a different proposition entirely: irreplaceable addresses, often more generous volumes, and the scope to reshape a property to a buyer’s own specification.
Neither path is inherently the stronger investment. The right choice depends on a buyer’s priorities, risk tolerance, and appetite for a renovation project versus a move-in-ready purchase.
In our Monaco new build vs old building investment guide, our Monaco real estate experts set out a framework for weighing both options on their own terms, factor by factor, so buyers and investors can make the decision that best suits their real estate profile in Monaco’s tightening market.
Monaco new build vs old building investment guide
1. Entry price
Older stock: While the average price per square metre in Monaco now stands at 57,569 Euros, Monaco real estate prices vary significantly by construction period. According to the latest 2025 Real Estate Observatory report, older properties, especially those built before 1940, tend to sell for a lower price per square metre than new build properties, although still command over 40,000 Euros per square metre.
New-build: The same report highlights that new buildings in Monaco, especially those built since 2020, tend to command the highest price per square metre, averaging around 65,602 Euros.
2. Renovation cost and timeline
Older stock: As we’ve explored in our guide to older buildings in Monaco, renovation can unlock significant value, but it requires realistic budgeting, and subject to the works, an approval process with the relevant authorities. Timelines can also vary: a light cosmetic refresh may take a few weeks, while a complete renovation will likely take several months.
New-build: Mareterra is a useful reference point. Buyers acquiring available stock in this new luxury Monaco development are generally not exposed to construction timelines or approval processes in the way renovation buyers are.
3. Natural light and window design
Older stock: Older buildings tend to feature more traditional window proportions rather than expansive glazing. Renovation can sometimes introduce larger glazed openings, subject to structural feasibility and building approval.
New-build: Contemporary developments are generally designed around floor-to-ceiling glazing and larger glazed façades from the outset, prioritising daylight capture and open sightlines as a core design principle rather than a retrofit.
4. Views and orientation
Older stock: Many older buildings occupy long-established, elevated, or waterfront positions that secured strong, sometimes multi-directional views decades before today’s competition for outlook existed. Orientation, however, was not always optimised using the solar and sightline modelling available to architects today.
New-build: New developments are typically planned with orientation and view corridors considered from the design stage. Mareterra, for instance, was positioned specifically to maximise sea frontage, though buyers should note that within any new district, unit-level views still vary considerably depending on position and floor.
5. Volumes and ceiling height
Older stock: Many older properties were designed with more generous proportions, especially those from the Belle Époque era: higher ceilings, wider façades, and larger reception rooms than much of today’s stock.
New-build: Contemporary developments generally favour efficiency-optimised layouts, which can mean more compact volumes relative to their footprint. This isn’t universal as some ultra-prime new developments still deliver grand proportions, but, as a general rule of thumb, buyers prioritising sheer volume often find older stock offers a stronger starting point.
6. Service charges
Older stock: Annual service charges generally track the scale of communal infrastructure and services a building offers. Buildings without concierge, spa, or valet services tend to carry lower recurring charges, though ageing lifts, heating systems, or façades can result in periodic special assessments for major works.
New-build: Full-service developments with concierge, valet parking, spa, and pool, for example, typically carry higher recurring service charges, reflecting the cost of maintaining and staffing that amenity package.
7. Amenities and services
Older stock: Amenity provision varies significantly by building era. Early luxury towers from the late 1980s and 1990s may already offer concierge services, while earlier post-war buildings more often lack them entirely, unless amenities were added during a later building-wide renovation.
New-build: Developments like Mareterra are typically delivered with concierge, valet parking, wellness or spa facilities, gyms, and pools included as standard, positioning them closer to hotel-style living from day one.
8. Building infrastructure and technical systems
Older stock: Ageing lifts, plumbing, electrical systems, and insulation are common considerations in older buildings. These aren’t automatic dealbreakers, but they warrant due diligence on the building’s technical condition and any planned works before purchase.
New-build: New developments are built to current Monegasque construction and safety standards, with modern lifts, climate control, sustainability features, and technical infrastructure integrated from the outset, generally reducing near-term capital expenditure risk at the building level.
9. Energy performance and sustainability
Older stock: Older buildings generally have more retrofit potential than built-in efficiency. Insulation, glazing, and climate systems can often be upgraded significantly during a renovation, though the starting point is typically less efficient than a new-build equivalent.
New-build: New developments are generally built to current environmental standards from the outset. Mareterra’s own infrastructure, for example, incorporates solar panels, a seawater-based heating and cooling loop, smart lighting, electric car charging stations, and biodiversity shelters to encourage wildlife.
10. Regulatory status
Older stock: Some older properties fall within Monaco’s regulated housing sector under Law 887, which applies to buildings constructed before September 1947. Ownership itself isn’t restricted, but if the property is rented out, the law imposes a minimum six-year lease, tenant eligibility criteria, and a four-week State pre-emption right after a sale agreement is signed. Buyers should verify a property’s status before purchase.
New-build: Because new developments are constructed well after the 1947 threshold, they generally fall outside Law 887 and sit within Monaco’s free rental sector.
11. Location and neighbourhood maturity
Older stock: Established districts such as Monte-Carlo, La Condamine, and the Carré d’Or are effectively built out. While a limited number of new build developments do exist in these districts, buying older stock is often the primary way to secure a position in these irreplaceable, decades-established central addresses.
New-build: New-build opportunities are generally limited to specific new districts, with Mareterra currently the clearest example, offering a purpose-built neighbourhood between Larvotto and Monte-Carlo.
12. Customisation potential
Older stock: Many older buildings allow significant interior transformation, subject to approvals from the building’s syndic and, where structural or façade elements are involved, Monaco’s planning authorities. Buyers can often reconfigure layouts and introduce bespoke finishes to a degree not available with delivered new stock.
New-build: New developments are generally sold with fixed floor plans. Off-plan purchases sometimes allow limited selection of finishes before completion, but once delivered, structural changes are far more constrained than in older buildings.
13. Resale liquidity and market appeal
Older stock: The Real Estate Observatory Report 2025 data suggests age alone does not drive significant depreciation in Monaco, as properties built before 1940 still command prices above 40,000 Euros per square metres, pointing to durable underlying value tied more to location than construction date.
New-build: The newest stock has captured the highest average price levels of the current cycle, reflecting strong demand for luxury new property. As a comparatively recent segment, however, new-build resale performance in Monaco has a shorter track record to draw on than established older stock.
14. Rental and tenant appeal
Older stock: Tenants drawn to older buildings often prioritise address, character, and volume. Where a property falls under Law 887, the eligible tenant pool is narrower, which can support letting stability even where headline rents sit below open-market levels.
New-build: Tenants in the international corporate and relocation segment often prioritise turnkey condition and resort-style amenities like concierge, gym, pool, and modern systems, which aligns closely with what full-service new developments are built to offer.
Old vs new property in Monaco: Which building type suits which option
Neither path is inherently the stronger choice, and the right one depends on how a buyer weighs cost, control, and convenience.
Buyers who tend to lean toward older stock are typically hands-on investors or end-users with the appetite, time, and professional support to manage a renovation project. They often place a premium on location and volume over turnkey convenience, are comfortable navigating approvals, syndic requirements, and contractor coordination, and see renovation as a route to a lower entry price and a genuinely bespoke result. Family offices and long-term holders focused on capital preservation frequently fall into this category, valuing an irreplaceable address over immediate move-in readiness.
Buyers who tend to lean toward Monaco new-build properties are generally those prioritising a low-hassle, predictable purchase. They want to move in without construction risk, value built-in amenities and modern systems from day one, and would rather pay a premium for certainty than take on a renovation timeline. This profile often includes buyers relocating on a fixed schedule, those purchasing a secondary residence they want to enjoy immediately, or investors seeking a rental-ready asset with minimal hands-on involvement.
In practice, many buyers sit somewhere between these two poles, and the right answer often comes down to a candid assessment of time, risk tolerance, and what “value” means for their specific goals in Monaco’s market.
How La Costa Properties Monaco can help
Deciding between an Monaco new build and an older property investment isn’t just a matter of price, it involves weighing renovation risk, technical due diligence, regulatory status, and long-term resale positioning against your own priorities and timeline. Getting this right generally benefits from local, on-the-ground expertise, particularly in a market as tightly regulated and supply-constrained as Monaco.
Our agents work with both profiles: buyers assessing the renovation potential and technical condition of an older building, and buyers evaluating new-build opportunities such as those in Mareterra. We help you weigh the trade-offs against your own objectives, rather than steering you toward one path over the other.
If you’d like to talk through which approach suits your situation, browse our Monaco properties for sale or contact our team directly. We look forward to helping you with your Monaco property search.
Monaco new build vs old building investment: Frequently asked questions
Is it cheaper to renovate an older property or buy new in Monaco?
It depends on the building and the scope of work. Older stock generally offers a lower entry price, but renovation costs can narrow, or in some cases close, that gap, depending on the property’s condition and the level of finish desired. A realistic comparison should always weigh total cost, including renovation budget, rather than purchase price alone.
What is the average price per square metre for older vs new-build property in Monaco?
Price per square metre in Monaco varies considerably by district, building age, and condition. As a general pattern, older stock tends to price below the most recently delivered developments, though the gap narrows or widens depending on location and the specific building. Buyers should treat published averages as a starting point rather than a guide to any individual property.
How long does renovation approval take in Monaco?
Timelines vary with project scope. A light cosmetic renovation can generally be completed relatively quickly, while a full renovation takes considerably longer once technical inspection, architectural design, contractor quotations, and administrative and condominium approvals are factored in. Works affecting the façade, structure, or common areas typically require additional authorisation and add to the timeline.
Are older Monaco apartments subject to rental restrictions?
Some are. Properties in certain older buildings can fall under Monaco’s regulated housing framework, which doesn’t restrict ownership or personal use but does affect rental terms if the property is let, including tenant eligibility and minimum lease conditions. Not all older buildings are affected, so status should always be verified before purchase.
Which holds its value better, older or new-build property in Monaco?
Neither has a clear, consistent edge. Older buildings in well-established locations tend to hold value reliably over time, suggesting location matters as much as age. New-build has performed strongly through the current cycle, but as a newer segment in Monaco, it has a shorter resale track record to draw on. Buyers should weigh this alongside their own holding period and objectives.
Does an older Monaco apartment need full renovation, or can I buy it move-in ready?
Not necessarily. Many older buildings have already undergone partial or full renovation by a previous owner, so move-in-ready options do exist within the older stock, not just in new developments. Condition varies significantly from one apartment and building to the next, so this is something to establish property by property rather than assume based on the building’s age alone. If you need help navigating a decision between Monaco new build vs old building investment, we can help. Contact our team today.
