Real estate prices in Boissy-sans-Avoir

Department 78 — property sales (DVF data)

Population: 616 inhabitants (+4.4% between 2013 and 2023)

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Apartments — median/sqm (2025)
3814 €
Houses — median/sqm (2025)
8
Sales in 2025
14,4 %
1-year change (houses)
15,7 €
Apartment rent est. /sqm/month
15,2 €
House rent est. /sqm/month
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Gross yield apartments
4,8 %
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
Physical assaults (non-domestic) 0.0 3.2

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): 14.7% (France: 9.9%)

LabelShare
A 1.1%
B 5.3%
C 13.7%
D 47.4%
E 17.9%
F 5.3%
G 9.5%

Source: ADEME (2026), 95 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

Galluis (78)
Auteuil (78)
Vicq (78)
Méré (78)
Marcq (78)