The immover observatory

Property Prices in Châteaugiron2026 property valuation

Updated: January 2026 Sources: DVF · Notaires de France · INSEE · Immover January 2026 · DVF, Notaires de France, INSEE, Immover
In brief

The average price per m² in Châteaugiron is 2 939 €/m² for an apartment, based on actual notarised (DVF) sales. About 34 transactions are recorded each year.

Line illustration of Châteaugiron in the Ille-et-Vilaine, a Petite Cité de Caractère east of Rennes, with its medieval keep and its half-timbered houses

Mood illustration of Châteaugiron, a Petite Cité de Caractère and its medieval chateau, in the Ille-et-Vilaine.

Property Prices in Châteaugiron

The 2026 figures· Indicative data
2 939€/m²

In Châteaugiron, the average price for apartments stands at 2 939 €/m², based on the DVF database, which records sales actually registered before notaries. A Petite Cité de Caractère east of Rennes, in the Ille-et-Vilaine, the municipality is known for its medieval chateau, its keep and its half-timbered houses, in a fabric that mixes a preserved historic centre and recent housing estates. The market is balanced between houses and apartments from new developments. The value of a property depends on closeness to the historic centre, on access to Rennes, on the condition of the dwelling and on the presence of a garden.

Apartment transactions / year
34
Median price per m²
3 034 €

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.

Market trends and analysis for Châteaugiron

The Châteaugiron market is carried by the spread of the Rennes conurbation, which pushes families towards heritage municipalities offering a better floor area for the price than the city centre.

The strength of the municipality lies in its historic setting and in the quality of life of a small town close to Rennes. The limit lies in a strong dependence on the Rennes economy and in a supply of old-centre property that is necessarily restricted.

Châteaugiron in the east of the Rennes area

average €/m²

Châteaugiron sits below the level of Rennes and in the average of the residential municipalities east of the conurbation.

MunicipalityTierPrice /m²Gap
Rennes3 755 €+28 %
Chantepie3 181 €+8 %
Châteaugiron2 939 €ref.
Janzé2 481 €-16 %

The history of Châteaugiron

Châteaugiron grew up around its medieval fortress, whose keep still overlooks the town, at a strategic crossroads on the march of Brittany.

The town lived off textiles and the linen trade before becoming, with the rise of Rennes, a residential centre valued for its heritage, and it is today a merged municipality bringing together neighbouring villages.

With 10 845 inhabitants, Châteaugiron combines an old centre listed among the Petites Cités de Caractère, a national label for small towns of architectural character, and a growing belt of low-rise detached housing, carried by the appeal of Rennes.

Who buys in Châteaugiron

Châteaugiron has 10 845 inhabitants and mainly attracts families who work in the Rennes metropolitan area and are looking for a heritage setting at a measured price. The house with a garden, new or older, remains the most sought-after property, but recent developments have widened the supply of apartments for first-time buyers. Buyers value the charm of the historic centre, the quality of life of a small town, the presence of schools and shops, and quick access to Rennes, which broadens the catchment of demand.

Frequently asked questions

The average price for apartments in Châteaugiron is 2 939 €/m², based on the DVF sales registered before notaries. That level varies with closeness to the historic centre, access to Rennes, the condition of the property and the presence of outdoor space.

The character properties of the old centre, half-timbered or in stone, gain value in their own way and benefit from the listing as a Petite Cité de Caractère. The rest of the market is closer to that of the low-rise residential municipalities of the Rennes belt.

Yes. Châteaugiron benefits directly from the appeal of the Rennes metropolitan area, whose closeness supports demand for residential housing while keeping prices below those of the city centre.

The historic centre offers sought-after character properties, while the recent housing estates provide more functional houses and apartments for first-time buyers. The choice depends on the budget, on needs and on the attachment to old-world character.

The average price of 2 939 €/m² serves as a benchmark, but location and the character of the property weigh heavily on this market. Immover draws on real DVF sales to offer you a free valuation suited to your home.

Value your property in Châteaugiron

Free valuation in under 2 minutes

Value my property

This analysis is published by Immover, an independent observatory founded by . Data sourced from official sources (DVF, INSEE, Notaries of France).

Estimer mon bien