- Type: Priory Church
- Affiliation: Cluniac
- Original Diocese:
- Region: Ile-de-France
- Department: Essonne
- Coords: 48.642, 2.2927
- Surveyed: 1972-74, 1980-83, 2015
Phase 3 - 1130s - tower base
tower base WN7a bit later with the west door and just above.
Rationale for dating :
Florentin seems more skilled than in Boutigny
Phase 4 - 1210s - W-w portal
WS6-7 piers, W-w portal, possibly no higher than the canopies.
Phase 5 - 1220s - west (t)
W4-7 triforium and cerestory with six-part vault.