Penthouse: Definition, Origins and Key Features

Penthouse: Definition and Origins of an Exceptional Concept

A penthouse is a luxury apartment occupying the top floor of a building, complemented by a private terrace that extends across a significant portion of the rooftop.

Originally referring to a simple lean-to structure, the term gained prominence in the United States during the 1920s, when the rooftops of Manhattan's buildings began to accommodate luxury residences. From its utilitarian origins, the penthouse evolved into a symbol of social status and sophisticated urban living.

In French, the term appartement-terrasse is also used. This description emphasises the private terrace, the defining feature that sets a penthouse apart within the hierarchy of top-floor residences.

This appeal explains its prominent position in the luxury property market, both in Paris and across other international destinations.

What Are the Physical Characteristics of a Penthouse?

A penthouse occupies the top floor of a building and often benefits from direct access via a private lift. Its terrace covers a substantial part of the rooftop, providing rare outdoor space in a densely built urban environment.

Its elevated position and lack of overlooking neighbours provide unobstructed panoramic views, whether of Parisian landmarks, the Mediterranean, Alpine peaks or a city skyline.

This position also maximises natural light. High-end amenities complete the experience, potentially including a solarium, spa, swimming pool or landscaped outdoor areas.

These features take the advantages of top-floor apartment living to another level.

Penthouse vs. Top-Floor Duplex: What Are the Differences ?

• A penthouse is defined by its position at the top of a building and its terrace. It can extend across one or two levels.

• A duplex, on the other hand, spans two interconnected floors and is not necessarily located at the top of a building. The key distinction therefore lies in its position and access to the rooftop, rather than the number of levels.

• A standard top-floor apartment with conventional balconies does not qualify as a penthouse. The defining combination is a spacious terrace and substantial living space.

• A setback apartment, known in French as an appartement en attique, is an architectural concept in which the residence occupies the uppermost level of a building, often set back from the façade. A penthouse takes this concept further, with a generous terrace and luxury amenities.

Penthouses in France's Luxury Property Markets

In Paris, penthouses feature beautifully designed rooftop terraces, particularly in the prestigious Golden Triangle, the 8th and the 16th arrondissements.

These properties combine the elegance of Haussmannian architecture with the rare luxury of outdoor space in the heart of the city. On the French Riviera, Nice and Cannes offer penthouses with sea views and panoramic terraces overlooking the coastline, as illustrated by some of Nice's most sought-after neighbourhoods. In prestigious Alpine resorts, elevated penthouses open onto spectacular mountain scenery.

Across these three markets, a penthouse commands a premium in locations that are already highly desirable. Its private terrace and views create additional value specific to each market.

Investing in a Penthouse: Value Appreciation and Key Considerations

A penthouse generally commands a premium compared with other apartments in the same building. This price difference reflects its private terrace, views and the prestige associated with its top-floor position.

For valuation purposes, property professionals factor the terrace into the weighted floor area, applying a coefficient based on its size, orientation and views.

Running costs can be substantial, including rooftop maintenance, terrace equipment and lift servicing. From a technical perspective, particular attention should be paid to roof insulation, exposure to the elements and waterproofing maintenance.

The legal status of the terrace also requires careful consideration. It is important to distinguish between a privately owned terrace and a common area designated for private use. In the latter case, the condominium association retains ownership, which affects how waterproofing renovation costs are allocated.

Before buying or selling, seek a professional valuation to establish the property's market value.

Investing in a Penthouse: Value Appreciation and Key Considerations

We offer a selection of penthouses and luxury apartments for sale across France's key markets: Paris, the French Riviera and the Alpine resorts.

Our expertise is supported by a network of more than 1,100 offices in over 35 countries. For penthouse owners, our advisors provide tailored valuations based on in-depth local market knowledge.

Our teams support buyers and sellers throughout their property journeys, applying consistently high standards to the selection of exceptional properties. To discuss your plans, find a specialist property advisor at one of our offices.

PRIVATE OFFICE · OFF-MARKET PROPERTIES

The Most Exclusive Penthouses Are Often Sold Off-Market

Engel & Völkers Private Office advises clients on the acquisition and sale of the world's most prestigious properties, offering a dedicated advisor and complete discretion.