Real estate prices in Saint-Illiers-le-Bois

Department 78 — property sales (DVF data)

Population: 449 inhabitants (-1.1% between 2013 and 2023)

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Apartments — median/sqm (2025)
3476 €
Houses — median/sqm (2025)
7
Sales in 2025
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1-year change (houses)
14,6 €
Apartment rent est. /sqm/month
12,4 €
House rent est. /sqm/month
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Gross yield apartments
4,3 %
Gross yield houses

Estimated asking rents — "Carte des loyers" 2025 (French Ministry of Ecological Transition). Gross yield = annual rent / median sale price per sqm.

Other communes — Yvelines

Versailles (13264 sales)
Sartrouville (7779 sales)
Houilles (5920 sales)
Poissy (5658 sales)
Rambouillet (5340 sales)
Chatou (5300 sales)
Élancourt (4928 sales)

Safety — recorded crime (2025)

Rate ‰France
Vehicle thefts 0.0 1.8

Source: SSMSI, French Ministry of the Interior. Offences recorded by police and gendarmerie, per 1,000 inhabitants — unreported offences are not included.

Energy labels (DPE)

Energy sieves (F+G): 17.6% (France: 9.9%)

LabelShare
A 0.0%
B 5.9%
C 15.7%
D 35.3%
E 25.5%
F 7.8%
G 9.8%

Source: ADEME (2026), 51 diagnostics performed since July 2021 — share of diagnosed dwellings, not a census of the stock. G banned from rental since 2025, F in 2028, E in 2034.

Nearby towns

Bréval (78)
Lommoye (78)
Cravent (78)
Gilles (28)