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Grandjean
Rural municipality · 17350 · Nouvelle-Aquitaine
👥 Population
308
2023 · INSEE
🏠 Median price /m²
2 039 €
📈 45% since 2015
💰 Gross yield
6.8 %
rent / purchase price
⚡ Avg. energy rating
G
🔴 100.0 % energy sieves (F-G) (F-G)
🎯 Investment score Average
Grandjean — Score 41/100.
Why this score? This score is penalized mainly by an energy-inefficient housing stock (5/100) and improvable safety statistics (14/100).
41
💰 Yield52
🌳 Quality of life77
📊 Dynamism51
💸 Affordability41
🛡️ Safety14
⚡ Energy rating5
🏠 Property prices
DVF · 8 Transactions · Grandjean
🏡 House /m²
2 039 €
📋 Transactions
8
📈 Price per m² evolution (2020 — 2024)
📊 Annual transaction volume
📊 Nearby municipalities
| City | Apt. | House | Trans. | Pop. |
|---|---|---|---|---|
| La Rochelle | 4 925 € | 4 528 € | 1399 | 79 851 |
| Saintes | 2 456 € | 2 197 € | 490 | 25 363 |
| Rochefort | 2 550 € | 2 229 € | 604 | 23 460 |
| Royan | 4 000 € | 3 875 € | 679 | 19 425 |
| Aytré | 4 615 € | 3 683 € | 162 | 9 746 |
| Périgny | 3 945 € | 3 786 € | 120 | 8 877 |
💰 Rental yield
Calculated from DVF prices and observed rents
🏠 Average rent
11.47 €/m²
monthly
💰 Gross yield
6.8 %
⏳ Payback period
14.8 years
🏘️ Rental market & tension
INSEE Housing Stock 2021 · Pinel ABC zoning · Tense areas
🏠 Main residences
74.2 %
🏖️ Secondary homes
12.6 %
🚪 Vacant homes
13.2 %
🎯 Pinel zoneⓘOfficial Pinel zoning. A Bis = very high tension (Paris, French Riviera), A = high tension (metropolises), B1 = moderate, B2 = low, C = relaxed market.
C
Relaxed market
⚖️ Tense area (ALUR law)ⓘTense area under article 232 of the French Tax Code (CGI) / ALUR law. Enables rent control and applies the vacant housing tax.
No
Free rents
💶 Local taxation
REI · DGFIP · Exercice 2024
🏠 Property tax (built)ⓘMunicipal property tax rate on built properties (TFB). Applied to the cadastral rental value to calculate the owner's annual property tax.
46.760 %
Global rate 2024
🌾 Property tax (unbuilt)ⓘMunicipal property tax rate on unbuilt properties (TFNB): land, fields, forests.
99.120 %
🏘️ Housing tax
24.940 %
Secondary homes
🗑️ Waste collection taxⓘTEOM — Household Waste Collection Tax. Applied by the municipality or intermunicipality to finance waste collection and treatment.
9.100 %
🌾 Land tax (unbuilt) REI
12.10 %
👥 Demographics
API Geo + INSEE
🧑🤝🧑 Inhabitants
308
2023
📐 Area
6.07 km²
51 inh/km²
💶 Median income
21 800 €
📊 Median age
41.2 yrs
33.7% under 30
💼 Activity rate
76.7 %
ages 15-64
📉 Unemployment rate
8.8 %
2021 census
🏢 Local economy & dynamism
SIRENE · INSEE
🏢 Active businesses
75
SIRENE database 2026
✨ 2024 creations
6
+50.0% vs 2023
📊 2023 creations
4
💼 Economic density
244
Businesses / 1,000 pop.
🚉 Transport & accessibility
SNCF Open Data · INSEE Urban Areas 2020
🚆 Nearest train station
Saint-Hilaire - Brizambourg
À 5.66 km · Segment C
🏙️ Urban attraction areaⓘUrban Attraction Areas (INSEE 2020): municipal classification based on commuting relationships with urban hubs. Main hub / secondary / suburban crown / outside.
Saint-Jean-d'Angély
Suburban crown
🏛️ IntercommunalityⓘEPCI — Public Establishment for Intermunicipal Cooperation. Community of communes, agglomeration, urban or metropolitan community grouping the municipality with its neighbors.
CC Vals de Saintonge Communauté
EPCI
📍 Rail access
Good
Station distance
🏪 Amenities & services
BPE · INSEE
📋 Services_publics
5
📋 Enseignement
1
🏥 Sante
2
⚽ Sport
5
⚡ Energy performance
1 DPE · ADEME
📊 Energy rating distribution
A
0.0 %
B
0.0 %
C
0.0 %
D
0.0 %
E
0.0 %
F
0.0 %
G
100.0 %
100.0 %
100.0 % energy sieves (F-G) (F+G) — Nat. average : 17 %
💶 Energy rating impact on price per m²
🏛️ Historical heritage
Mérimée database · 1 protected monuments
| Building | Era |
|---|---|
| église | 12e siècle |
⚠️ Natural and technological risks
Géorisques API · 7 risks identified
Transport de marchandises dangereuses
Mouvement de terrain
Phénomène lié à l'atmosphère
Affaissements et effondrements d'origine anthropique (anciennes carrières souterraines, hors mines)
Tassements différentiels
Tempête et grains (vent)
Séisme
📡 Digital coverage
ARCEP
📶 Ultra-fast broadband
100.0 %
💧 Drinking water quality
API Hub'Eau · 408 analyses · R.E.S.E.
⚗️ Physicochemistry
✅ Compliant
📋 analyses
408
⚡ EV charging stations
IRVE
🔌 Stations
8
⚡ Charge points
16
🚀 Incl. fast charging
6
🎯 Municipalities with a similar score
Same region, score close to
Thouars
79100
41/100
13 891 Inhabitants
Audenge
33980
41/100
9 596 Inhabitants
Le Teich
33470
41/100
9 180 Inhabitants
Boucau
64340
41/100
8 968 Inhabitants
Saint-Vincent-de-Tyrosse
40230
41/100
8 014 Inhabitants
Saint-Martin-de-Seignanx
40390
41/100
6 238 Inhabitants
Marennes-Hiers-Brouage
17320
41/100
6 163 Inhabitants
Saint-Martin-la-Pallu
86110
41/100
5 713 Inhabitants
📍 Nearby municipalities
Nearest geographically
| City | Distance | Score | Pop. |
|---|---|---|---|
| Taillebourg | 4.7 km | 49/100 | 794 |
| Saint-Hilaire-de-Villefranche | 4.3 km | 58/100 | 1 350 |
| Mazeray | 4.9 km | 60/100 | 991 |
| Saint-Vaize | 7.0 km | 41/100 | 620 |
| Le Douhet | 7.8 km | 55/100 | 708 |
| Les Nouillers | 7.9 km | 58/100 | 722 |
| Saint-Savinien | 6.9 km | 37/100 | 2 460 |
| Bussac-sur-Charente | 9.9 km | 48/100 | 1 321 |
❓ Frequently asked questions about Grandjean
What is the price per m² in Grandjean? ▶
The median price per m² in Grandjean is 2 039 €.
What is the rental yield in Grandjean? ▶
The gross rental yield in Grandjean is 6.8%.
Is Grandjean a good real estate investment? ▶
Grandjean has a ScorCity score of 41/100, making it a moderate investment.
What is the average energy rating in Grandjean? ▶
The most common energy rating class in Grandjean is G.
What are the natural risks in Grandjean? ▶
7 risks are identified in Grandjean: Transport de marchandises dangereuses, Mouvement de terrain, Phénomène lié à l'atmosphère.