diff --git a/resources/addresses/fr.yaml b/resources/addresses/fr.yaml
index 67dbb370..47859981 100644
--- a/resources/addresses/fr.yaml
+++ b/resources/addresses/fr.yaml
@@ -165,6 +165,20 @@ levels:
         canonical_probability: 0.4
         abbreviated_probability: 0.3
         sample_probability: 0.3
+    rez_de_chaussee_bas: &rez_de_chaussee_bas
+        canonical: rez-de-chaussée bas
+        abbreviated: rcb
+        sample: true
+        canonical_probability: 0.3
+        abbreviated_probability: 0.4
+        sample_probability: 0.3
+    rez_de_chaussee_haut: &rez_de_chaussee_haut
+        canonical: rez-de-chaussée haut
+        abbreviated: rch
+        sample: true
+        canonical_probability: 0.3
+        abbreviated_probability: 0.4
+        sample_probability: 0.3
     parterre: &parterre
         canonical: parterre
         sample: true
@@ -194,10 +208,14 @@ levels:
             default: *entresol
         "0":
             default: *rez_de_chaussee
-            probability: 0.94
+            probability: 0.74
             alternatives:
                 - alternative: *rez_de_jardin
                   probability: 0.01
+                - alternative: *rez_de_chaussee_bas
+                  probability: 0.1
+                - alternative: *rez_de_chaussee_haut
+                  probability: 0.1
                 - alternative: *etage
                   probability: 0.05
         "1":
diff --git a/resources/dictionaries/fr/level_types_standalone.txt b/resources/dictionaries/fr/level_types_standalone.txt
index 1bdf0981..805a65cf 100644
--- a/resources/dictionaries/fr/level_types_standalone.txt
+++ b/resources/dictionaries/fr/level_types_standalone.txt
@@ -3,4 +3,6 @@ dernier étage|dernier etage
 étage noble|etage noble
 parterre
 rez-de-chaussée|rdc|r.d.c|r d c|rez|rez-de-chaussee|rez de chaussée|rez de chaussee|rc|r.c|r c
-rez-de-jardin|rez de jardin
\ No newline at end of file
+rez-de-jardin|rez de jardin
+rez-de-chaussée bas|rcb|r.c.b|r c b
+rez-de-chaussée haut|rch|r.c.h|r c h
\ No newline at end of file