Sotheby's International Realty
- 1 rue du 19 Mars 1962
- 29000 Quimper, France
- +33 2 98 10 11 15
Sotheby's International Realty
- 14 rue du Port
- 56000 Vannes, France
- +33 2 97 35 00 10
Sotheby's International Realty
- 19 bd Hennecart
- 44500 La Baule-Escoublac, France
- +33 2 40 11 83 12
Luxury Real Estate: What If Coolness Became Brittany’s Newest Asset?
When climate becomes a new factor in property value - Published on August 28, 2026
As the Climate Changes, So Do Buyers’ Priorities
After several years marked by fluctuating financing conditions and a more selective real estate market, buyers are gradually returning to the market. They remain cautious, however, taking more time to consider their options and paying closer attention to the true value of properties.
In the luxury real estate sector, location, views, architectural quality and rarity naturally remain decisive factors. Yet other criteria are gaining importance: quality of life, the surrounding environment, nature and everyday comfort.
This summer’s periods of extreme heat could further accelerate this shift, particularly when it comes to second-home purchases.
Brittany: A Region Poised to Benefit?
The summer of 2026 was a reminder of how significantly temperatures are changing. With an average temperature of 24.9°C, July 2026 became the hottest month ever recorded in France since records began in 1900, surpassing August 2003 (24.8°C) and July 2006 (24.4°C). The month also recorded an anomaly of +3.8°C compared with the 1991–2020 average. (Source: Météo-France)
Against this backdrop, Brittany’s geographical location could represent a new advantage.
Bordered by the English Channel and the Atlantic Ocean, the region benefits from an oceanic climate that helps moderate temperatures, particularly during periods of extreme heat. This characteristic could become increasingly significant as summers grow warmer across France.
As summer temperatures become increasingly difficult to cope with in some parts of southern France, Brittany offers a different way of looking at the second home: a coastline where proximity to the ocean is associated with more moderate temperatures and a different kind of summer comfort.
Could Brittany be becoming the new South? Could the Breton coastline become France’s new refuge?
Comfort Becomes Part of Luxury
This shift echoes trends observed internationally by Sotheby's International Realty.
In its 2026 Mid-Year Luxury Outlook, Sotheby's International Realty highlights the growing importance of lifestyle in the decisions of affluent buyers: 62% of professionals surveyed in the $10 million-plus luxury real estate segment now identify lifestyle as an increasingly influential factor, ahead of taxation and economic stability.
Another revealing indicator is the growing importance of aging in place: nearly 38% of these professionals report that the ability to remain comfortably in one's home as one ages is becoming an increasingly relevant consideration in purchasing decisions. Sotheby's International Realty captures this trend in an evocative phrase: "Longevity is the new luxury."
Luxury real estate is therefore no longer defined solely by square footage, address or the level of amenities. It is also about the way a property enables its owners to live — today and in the years to come.
This shift can also be seen in architecture, with growing interest in homes designed in harmony with their surroundings and better adapted to changing climatic conditions: orientation, natural light, materials, landscaping, outdoor spaces and thermal comfort are all becoming increasingly relevant.
From this perspective, proximity to the coast, an established and mature garden, or simply a home's ability to remain comfortable when temperatures rise may take on a new dimension of value.
And this is precisely where Brittany becomes particularly interesting: characteristics that were once viewed primarily as lifestyle benefits could increasingly contribute to how the value of a property is perceived.
Bretagne Sud Sotheby's International Realty: Local Expertise
With offices in Quimper, Vannes and La Baule, Bretagne Sud Sotheby's International Realty supports owners and buyers in their luxury real estate projects across Brittany and along the Breton coastline.
In a market where value drivers and buyer expectations are constantly evolving, an in-depth understanding of local micro-markets and the specific characteristics of each property is essential. Combining their knowledge of local markets with the international reach of the Sotheby's International Realty network, our teams provide a precise understanding of market conditions and their evolution.
This dual perspective makes it possible to position each property accurately and develop a tailored marketing strategy suited to its specific characteristics, location, environment and potential buyers.
And what if, tomorrow, coolness itself became a new marker of luxury real estate?
If you would like to understand the current value of your property or discuss your real estate plans in Brittany, Bretagne Sud Sotheby's International Realty is available to offer an informed and confidential perspective on your property and to support you with discretion and a personalised approach throughout your project.