diff --git a/src/domain/model/mod.rs b/src/domain/model/mod.rs
index 9eca3df..93fb28e 100644
--- a/src/domain/model/mod.rs
+++ b/src/domain/model/mod.rs
@@ -3,4 +3,5 @@ pub(crate) mod common;
 pub(crate) mod messaging_interface;
 pub(crate) mod room;
 pub(crate) mod session;
+pub(crate) mod space;
 pub(crate) mod store_interface;
diff --git a/src/domain/model/space.rs b/src/domain/model/space.rs
new file mode 100644
index 0000000..034fac5
--- /dev/null
+++ b/src/domain/model/space.rs
@@ -0,0 +1,91 @@
+use std::{cell::RefCell, collections::HashSet, rc::Rc};
+
+use async_trait::async_trait;
+use matrix_sdk::ruma::OwnedRoomId;
+use tracing::error;
+
+use super::{
+    common::Avatar,
+    messaging_interface::{SpaceMessagingConsumerInterface, SpaceMessagingProviderInterface},
+    room::RoomId,
+    store_interface::SpaceStoreProviderInterface,
+};
+
+pub type SpaceId = OwnedRoomId;
+
+// TODO: Add membership?
+pub struct Space {
+    id: SpaceId,
+
+    name: RefCell<Option<String>>,
+    topic: RefCell<Option<String>>,
+
+    #[allow(dead_code)]
+    avatar: RefCell<Option<Avatar>>,
+
+    children: RefCell<HashSet<RoomId>>, // We don´t expect to manage nested spaces
+
+    messaging_provider: Option<Rc<dyn SpaceMessagingProviderInterface>>,
+    store: RefCell<Option<Box<dyn SpaceStoreProviderInterface>>>,
+}
+
+impl PartialEq for Space {
+    fn eq(&self, other: &Self) -> bool {
+        self.id == other.id
+    }
+}
+
+impl Space {
+    pub fn new(id: SpaceId, name: Option<String>, topic: Option<String>) -> Self {
+        Self {
+            id,
+
+            name: RefCell::new(name),
+            topic: RefCell::new(topic),
+
+            #[allow(dead_code)]
+            avatar: RefCell::new(None),
+
+            children: RefCell::new(HashSet::new()),
+
+            messaging_provider: None,
+            store: RefCell::new(None),
+        }
+    }
+
+    pub fn set_messaging_provider(&mut self, provider: Rc<dyn SpaceMessagingProviderInterface>) {
+        self.messaging_provider = Some(provider);
+    }
+
+    pub fn set_store(&self, store: Option<Box<dyn SpaceStoreProviderInterface>>) {
+        *self.store.borrow_mut() = store;
+    }
+
+    pub fn id(&self) -> &SpaceId {
+        &self.id
+    }
+
+    pub fn name(&self) -> Option<String> {
+        self.name.borrow().clone()
+    }
+}
+
+#[async_trait(?Send)]
+impl SpaceMessagingConsumerInterface for Space {
+    async fn on_child(&self, room_id: RoomId) {
+        error!("Space::on_child({room_id})");
+        self.children.borrow_mut().insert(room_id);
+    }
+    async fn on_new_topic(&self, topic: Option<String>) {
+        error!("Space::on_new_topic({:?})", topic);
+        *self.topic.borrow_mut() = topic;
+    }
+    async fn on_new_name(&self, name: Option<String>) {
+        error!("Space::on_new_name({:?})", name);
+        self.name.borrow_mut().clone_from(&name);
+
+        if let Some(store) = self.store.borrow_mut().as_mut() {
+            store.set_name(name);
+        }
+    }
+}