The average price per m² in Plérin is 3 459 €/m² for an apartment, based on actual notarised (DVF) sales. About 37 transactions are recorded each year.

Mood illustration of Plérin, on the bay of Saint-Brieuc, in the Côtes-d'Armor.
In Plérin, the average price of apartments reaches 3 459 €/m², according to the sales actually registered in the DVF database of the notaries. Houses, which are more numerous, trade on average at around 2 690 €/m². The fact that apartments sit above houses is explained by the coastal profile of the municipality: part of the stock of flats offers homes with a view over the bay of Saint-Brieuc, much sought after. The distance to the sea, the view, the aspect, the condition of the property and its energy performance make prices vary widely. The seaside hamlets such as Saint-Laurent-de-la-Mer concentrate the best-rated properties. These notarial figures give a municipal benchmark; a reliable valuation then rests on comparable properties, assessed case by case.
Prices from the DVF file (Demandes de valeurs foncières, published by the DGFiP), transactions actually recorded at the notary at municipality level. Cross-referenced with the Notaires de France - INSEE indices. Learn more about our methodology.
Plérin benefits from its standing as a sought-after coastal municipality of the Saint-Brieuc conurbation. Demand, carried by working people from Saint-Brieuc, retired households and second-home buyers, is concentrated on properties by the bay and on homes with a view. That pressure bears on a stock kept scarce by the geography of the shore and by the Coastal Act, which widens the gap between the seaside sectors and the inland village.
The distance to the sea and the quality of the view govern most of the prices; an energy-hungry property now trades at a discount, including among the higher-end houses. A seller offering a bright home, close to the shore and correctly rated on the energy performance certificate, finds a buyer quickly, whereas a price disconnected from the location lingers on the market. Dependence on the Saint-Brieuc area and on second-home demand remains the main factor of sensitivity in the Plérin market.
Plérin sits clearly above Saint-Brieuc, the neighbouring main town, but remains below the best-rated seaside resorts of the coast such as Saint-Quay-Portrieux.
Plérin occupies a coastal site on the northern shore of the bay of Saint-Brieuc, at the mouth of the Gouët. The municipality was built up around maritime activity, with the port du Légué, long the trading and fishing harbour of Saint-Brieuc, set on the estuary at the boundary between the two municipalities.
The territory mixes an inland village, hamlets and an indented sea frontage. The Pointe du Roselier, a wooded headland overlooking the bay, keeps the trace of local maritime history with its monument to the shipwrecked and its shot furnaces, while the semaphore station watched over the entrances to the harbour. These features recall the long-standing link between Plérin and the sea and navigation.
Over the course of the 20th century, Plérin became a sought-after residential municipality of the Saint-Brieuc conurbation, carried by its beaches and its seaside hamlets. Saint-Laurent-de-la-Mer, a resort on the edge of the bay, illustrates that tourist and residential vocation, which coexists with the still living harbour functions of the Légué.
Plérin has around 14 400 inhabitants and is one of the most attractive municipalities of the Saint-Brieuc conurbation. The property market is marked by its coastal profile: properties close to the sea, with a view over the bay, and the houses of the seaside hamlets are among the most sought after. Buyers mix working people employed in the Saint-Brieuc area, retired people drawn by the coastal setting and second-home buyers. That demand, together with the scarcity of land by the sea, pulls prices upwards, in particular for apartments with a view and for properties in the seaside sectors.
The average price of apartments in Plérin is 3 459 €/m², according to DVF transactions completed before notaries. Houses trade on average at around 2 690 €/m². The distance to the sea, the view, the aspect and the condition of the property explain most of the gaps. On a coastal market, a reliable valuation rests on comparable sales rather than on the municipal average alone.
The coastal profile of the municipality explains this feature. Part of the apartment stock enjoys a direct view over the bay of Saint-Brieuc, much sought after, which pulls their average price sharply upwards. Houses, more numerous and spread across the whole territory, including inland, show a more measured average. Closeness to the sea and the view remain the main drivers of value in Plérin.
The seaside hamlets on the edge of the bay, first among them Saint-Laurent-de-la-Mer, concentrate the best-rated properties, as do the surroundings of the Pointe du Roselier and homes with a sea view. The sector of the port du Légué, at once maritime and close to Saint-Brieuc, is also prized. Conversely, the inland village and the districts further from the coast offer more affordable prices.
Yes, on the whole. Plérin, a coastal residential municipality, shows prices above those of Saint-Brieuc, the main town of the conurbation, which sits just on the other side of the Légué estuary. The coastal setting, the beaches and the properties with a view over the bay explain that gap. Plérin plays the part of a sought-after residential municipality, while Saint-Brieuc concentrates the urban functions and a wider, more affordable stock.
The sea frontage of the municipality comes under the Coastal Act, which protects the natural areas of the coast and strictly frames building close to the shore. That constraint lastingly limits the supply by the bay and contributes to the firmness of prices for coastal properties. Before any purchase or building project near the sea, it is wise to consult the local planning scheme and the easements at the town hall to know what is really allowed.
This analysis is published by Immover, an independent observatory founded by Antony Barbier. Data sourced from official sources (DVF, INSEE, Notaries of France).