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Guyancourt
Large city · 78280 · Île-de-France
👥 Population
29 778
2023 · INSEE
🏠 Median price /m²
3 685 €
📈 -17% since 2015
💰 Gross yield
6.2 %
rent / purchase price
⚡ Avg. energy rating
E
✅ 6.4 % energy sieves (F-G) (F-G)
🎯 Investment score Average
Guyancourt — Score 51/100.
51
💰 Yield42
🌳 Quality of life64
📊 Dynamism65
💸 Affordability11
🛡️ Safety71
⚡ Energy rating61
🏠 Property prices
DVF · 108 Transactions · Guyancourt
🏢 Apt. /m²
3 685 €
🏡 House /m²
4 214 €
📋 Transactions
108
📈 Price per m² evolution (2020 — 2024)
📊 Annual transaction volume
📊 Nearby municipalities
| City | Apt. | House | Trans. | Pop. |
|---|---|---|---|---|
| Versailles | 6 660 € | 9 062 € | 876 | 84 095 |
| Sartrouville | 3 841 € | 5 082 € | 536 | 52 763 |
| Saint-Germain-en-Laye | 6 538 € | 7 105 € | 486 | 45 931 |
| Mantes-la-Jolie | 2 656 € | 2 917 € | 334 | 43 526 |
| Poissy | 3 606 € | 4 843 € | 386 | 40 983 |
| Conflans-Sainte-Honorine | 3 111 € | 4 177 € | 363 | 36 958 |
💰 Rental yield
Calculated from DVF prices and observed rents
🏠 Average rent
19.0 €/m²
monthly
💰 Gross yield
6.2 %
⏳ Payback period
16.2 years
🏘️ Rental market & tension
INSEE Housing Stock 2021 · Pinel ABC zoning · Tense areas
🏠 Main residences
92.9 %
🏖️ Secondary homes
2.4 %
🚪 Vacant homes
4.6 %
🏢 Apartments
75.9 %
23.1 % houses
🎯 Pinel zoneⓘOfficial Pinel zoning. A Bis = very high tension (Paris, French Riviera), A = high tension (metropolises), B1 = moderate, B2 = low, C = relaxed market.
A
Strong tension
⚖️ 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.
Yes
Rent control possible
💶 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.
36.300 %
Global rate 2024
🌾 Property tax (unbuilt)ⓘMunicipal property tax rate on unbuilt properties (TFNB): land, fields, forests.
129.130 %
🏘️ Housing tax
18.690 %
Secondary homes
🗑️ Waste collection taxⓘTEOM — Household Waste Collection Tax. Applied by the municipality or intermunicipality to finance waste collection and treatment.
5.590 %
🌾 Land tax (unbuilt) REI
0.31 %
🏢 CFE
0.77 %
👥 Demographics
API Geo + INSEE
🧑🤝🧑 Inhabitants
29 778
2023
📐 Area
13.20 km²
2256 inh/km²
💶 Median income
24 720 €
📊 Median age
34.4 yrs
42.7% under 30
💼 Activity rate
78.0 %
ages 15-64
📉 Unemployment rate
10.7 %
2021 census
🎯 Poverty rateⓘShare of population living below the poverty line (60% of national median income). Source FILOSOFI 2021, calculated only for municipalities ≥ 2,000 inhabitants.
14.0 %
60% FILOSOFI threshold
🏢 Local economy & dynamism
SIRENE · INSEE
🏢 Active businesses
4 835
SIRENE database 2026
✨ 2024 creations
571
+18.7% vs 2023
📊 2023 creations
481
💼 Economic density
162
Businesses / 1,000 pop.
🚉 Transport & accessibility
SNCF Open Data · INSEE Urban Areas 2020
🚆 Nearest train station
Saint-Quentin en Yvelines - Montigny-le-Bretonneux
À 2.59 km · Segment B
🏙️ Urban attraction areaⓘUrban Attraction Areas (INSEE 2020): municipal classification based on commuting relationships with urban hubs. Main hub / secondary / suburban crown / outside.
Paris
Secondary hub
🏛️ IntercommunalityⓘEPCI — Public Establishment for Intermunicipal Cooperation. Community of communes, agglomeration, urban or metropolitan community grouping the municipality with its neighbors.
CA de Saint Quentin en Yvelines
EPCI
📍 Rail access
Good
Station distance
🎓 Education
National Education API
📚 Schools
5
🏫 Middle schools
3
🎓 High schools
2
🏆 Baccalaureate results
| High school | Type | Pass rate | Honors | V.A. |
|---|---|---|---|---|
| LYCEE D'HOTELLERIE ET DE TOURISME (GENERAL ET TECHNO.) | public | 100.0 % | — | +2.0 |
| LYCEE DE VILLAROY | public | 97.0 % | — | +2.0 |
🎯 Brevet exam (2021)ⓘBrevet (DNB) — French middle school exam. The rate shown is the average across public and private middle schools in the municipality, latest published session.
84.4 %
Average pass rate · 3 middle schools
📊 Niveau social des établissements
Indicateur Éducation nationale du milieu social des élèves (moyenne nationale ≈ 103). Plus élevé = plus favorisé.
🏫 Middle school IPS
| Middle school | Sector | IPS |
|---|---|---|
| COLLEGE ARIANE | public | 111.6 |
| COLLEGE PAUL ELUARD | public | 102.6 |
| COLLEGE LES SAULES | public | 101.6 |
🏥 Healthcare
BPE · FINESS
💊 Pharmacies
6
🔬 Laboratories
3
🏥 Établissements de santé
29
Source FINESS
👵 EHPAD
1
💊 Pharmacies
6
🏪 Amenities & services
BPE · INSEE
📋 Services_publics
311
📋 Commerce
66
📋 Enseignement
50
🏥 Sante
163
🚆 Transport
138
⚽ Sport
55
🎭 Culture
8
🛡️ Safety
SSMSI · SSMSI · Ministry of the Interior
| Indicator | Incidents | Rate ‰ | Nat. average | Gap |
|---|---|---|---|---|
| Destructions et dégradations volontaires | 189 | 6.30 ‰ | 7.2 ‰ | Dans la moyenne |
| Escroqueries et fraudes aux moyens de paiement | 189 | 6.30 ‰ | 6.3 ‰ | Dans la moyenne |
| Vols sans violence contre des personnes | 165 | 5.50 ‰ | 7.3 ‰ | -25 % vs moy. |
| Violences physiques intrafamiliales | 144 | 4.80 ‰ | 4.2 ‰ | Dans la moyenne |
| Usage de stupéfiants | 98 | 3.30 ‰ | 8.4 ‰ | -61 % vs moy. |
| Vols d'accessoires sur véhicules | 94 | 3.20 ‰ | 3.7 ‰ | Dans la moyenne |
| Usage de stupéfiants (AFD) | 78 | 2.60 ‰ | 7.5 ‰ | -65 % vs moy. |
| Violences physiques hors cadre familial | 72 | 2.40 ‰ | 4.0 ‰ | -40 % vs moy. |
| Vols de véhicule | 47 | 1.60 ‰ | 2.4 ‰ | -33 % vs moy. |
| Vols dans les véhicules | 46 | 1.50 ‰ | 5.2 ‰ | -71 % vs moy. |
| Cambriolages de logement | 44 | 3.40 ‰ | 7.5 ‰ | -55 % vs moy. |
| Violences sexuelles | 35 | 1.20 ‰ | 2.4 ‰ | -50 % vs moy. |
| Trafic de stupéfiants | 9 | 0.30 ‰ | 2.2 ‰ | -86 % vs moy. |
| Vols violents sans arme | 9 | 0.30 ‰ | 1.0 ‰ | -70 % vs moy. |
⚡ Energy performance
109 DPE · ADEME
📊 Energy rating distribution
A
0.0 %
B
0.0 %
C
13.8 %
13.8 %
D
24.8 %
24.8 %
E
55.0 %
55.0 %
F
4.6 %
G
1.8 %
6.4 % 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 | — |
⚠️ Natural and technological risks
Géorisques API · 1 risks identified
Transport de marchandises dangereuses
📡 Digital coverage
ARCEP
📶 Ultra-fast broadband
100.0 %
💧 Drinking water quality
API Hub'Eau · 6 031 analyses · S.E.O.P.
⚗️ Physicochemistry
✅ Compliant
📋 analyses
6 031
⚡ EV charging stations
IRVE
🔌 Stations
34
⚡ Charge points
226
🚀 Incl. fast charging
27
🎯 Municipalities with a similar score
Same region, score close to
Paris 15e
75015
51/100
229 713 Inhabitants
Paris 17e
75017
51/100
159 212 Inhabitants
Paris 11e
75011
51/100
138 170 Inhabitants
Nanterre
92000
51/100
97 783 Inhabitants
Paris 10e
75010
51/100
83 873 Inhabitants
Paris 9e
75009
51/100
57 271 Inhabitants
Montrouge
92120
51/100
46 324 Inhabitants
Conflans-Sainte-Honorine
78700
51/100
36 958 Inhabitants
📍 Nearby municipalities
Nearest geographically
| City | Distance | Score | Pop. |
|---|---|---|---|
| Voisins-le-Bretonneux | 2.5 km | 43/100 | 10 624 |
| Saint-Cyr-l'École | 3.7 km | 42/100 | 21 268 |
| Châteaufort | 4.3 km | 34/100 | 1 564 |
| Magny-les-Hameaux | 4.4 km | 38/100 | 9 386 |
| Montigny-le-Bretonneux | 3.6 km | 47/100 | 32 465 |
| Buc | 3.7 km | 33/100 | 5 816 |
| Fontenay-le-Fleury | 5.2 km | 52/100 | 13 680 |
| Toussus-le-Noble | 4.4 km | 36/100 | 1 172 |
❓ Frequently asked questions about Guyancourt
What is the price per m² in Guyancourt? ▶
The median price per m² in Guyancourt is 3 685 €.
What is the rental yield in Guyancourt? ▶
The gross rental yield in Guyancourt is 6.2%.
Is Guyancourt a good real estate investment? ▶
Guyancourt has a ScorCity score of 51/100, making it a moderate investment.
What is the average energy rating in Guyancourt? ▶
The most common energy rating class in Guyancourt is E.
What are the natural risks in Guyancourt? ▶
1 risks are identified in Guyancourt: Transport de marchandises dangereuses.