diff --git a/lib/architex/room_server.ex b/lib/architex/room_server.ex
index 2ff81ab..fe25ee4 100644
--- a/lib/architex/room_server.ex
+++ b/lib/architex/room_server.ex
@@ -207,7 +207,6 @@ defmodule Architex.RoomServer do
         _from,
         %{room: %Room{id: room_id} = room} = state
       ) do
-    # TODO: power_level_content_override, initial_state, invite_3pid
     case Repo.transaction(create_room_insert_events(room, account, request)) do
       {:ok, {state_set, room}} ->
         {:reply, {:ok, room_id}, %{state | state_set: state_set, room: room}}
@@ -448,13 +447,15 @@ defmodule Architex.RoomServer do
          preset: preset,
          name: name,
          topic: topic,
-         invite: invite
+         invite: invite,
+         power_level_content_override: power_level_content_override
        }) do
+
     events =
       ([
          Event.CreateRoom.new(room, account, room_version),
          Event.Join.new(room, account),
-         Event.PowerLevels.new(room, account)
+         Event.PowerLevels.create_room_new(room, account, power_level_content_override)
        ] ++
          room_creation_preset(account, preset, room) ++
          [
diff --git a/lib/architex/schema/event/generators.ex b/lib/architex/schema/event/generators.ex
index abb52ad..24e40aa 100644
--- a/lib/architex/schema/event/generators.ex
+++ b/lib/architex/schema/event/generators.ex
@@ -37,30 +37,61 @@ end
 
 defmodule Architex.Event.PowerLevels do
   alias Architex.{Event, Account, Room}
+  alias ArchitexWeb.Client.Request.CreateRoom
+  alias ArchitexWeb.Client.Request.CreateRoom.PowerLevelContentOverride
 
-  @spec new(Room.t(), Account.t()) :: %Event{}
-  def new(room, %Account{localpart: localpart} = sender) do
+  @ban 50
+  @events_default 0
+  @invite 50
+  @kick 50
+  @redact 50
+  @state_default 50
+  @creator 50
+  @users_default 0
+  @notifications_room 50
+
+  @spec create_room_new(Room.t(), Account.t(), CreateRoom.plco_t()) :: %Event{}
+  def create_room_new(room, sender, nil) do
+    create_room_new(room, sender, %PowerLevelContentOverride{})
+  end
+
+  def create_room_new(room, %Account{localpart: localpart} = sender, %PowerLevelContentOverride{
+        ban: ban_override,
+        events: events_override,
+        events_default: events_default_override,
+        invite: invite_override,
+        kick: kick_override,
+        redact: redact_override,
+        state_default: state_default_override,
+        users: users_override,
+        users_default: users_default_override,
+        notifications: notifications_override
+      }) do
     mxid = Architex.get_mxid(localpart)
+    users = %{mxid => @creator}
+    users = if users_override, do: Map.merge(users, users_override), else: users
+
+    notifications =
+      case notifications_override do
+        %{room: room} -> %{"room" => room}
+        _ -> %{"room" => @notifications_room}
+      end
 
     %Event{
       Event.new(room, sender)
       | type: "m.room.power_levels",
         state_key: "",
         content: %{
-          "ban" => 50,
-          "events" => %{},
-          "events_default" => 0,
-          "invite" => 50,
-          "kick" => 50,
-          "redact" => 50,
-          "state_default" => 50,
-          "users" => %{
-            mxid => 50
-          },
-          "users_default" => 0,
-          "notifications" => %{
-            "room" => 50
-          }
+          "ban" => ban_override || @ban,
+          "events" => events_override || %{},
+          "events_default" => events_default_override || @events_default,
+          "invite" => invite_override || @invite,
+          "kick" => kick_override || @kick,
+          "redact" => redact_override || @redact,
+          "state_default" => state_default_override || @state_default,
+          "users" => users,
+          "users_default" => users_default_override || @users_default,
+          "notifications" => notifications
         }
     }
   end
diff --git a/lib/architex_web/api_schemas/client/request/create_room.ex b/lib/architex_web/api_schemas/client/request/create_room.ex
index 77d72c7..4a57ec3 100644
--- a/lib/architex_web/api_schemas/client/request/create_room.ex
+++ b/lib/architex_web/api_schemas/client/request/create_room.ex
@@ -8,7 +8,25 @@ defmodule ArchitexWeb.Client.Request.CreateRoom do
           topic: String.t() | nil,
           invite: list(String.t()) | nil,
           room_version: String.t() | nil,
-          preset: String.t() | nil
+          preset: String.t() | nil,
+          power_level_content_override: plco_t() | nil
+        }
+
+  @type plco_t :: %__MODULE__.PowerLevelContentOverride{
+          ban: integer() | nil,
+          events: %{optional(String.t()) => integer()} | nil,
+          events_default: integer() | nil,
+          invite: integer() | nil,
+          kick: integer() | nil,
+          redact: integer() | nil,
+          state_default: integer() | nil,
+          users: %{optional(String.t()) => integer()} | nil,
+          users_default: integer() | nil,
+          notifications: plco_n_t() | nil
+        }
+
+  @type plco_n_t :: %__MODULE__.PowerLevelContentOverride.Notifications{
+          room: integer() | nil
         }
 
   @primary_key false
@@ -20,9 +38,25 @@ defmodule ArchitexWeb.Client.Request.CreateRoom do
     field :invite, {:array, :string}
     field :room_version, :string
     field :preset, :string
+
+    embeds_one :power_level_content_override, PowerLevelContentOverride, primary_key: false do
+      field :ban, :integer
+      field :events, {:map, :integer}
+      field :events_default, :integer
+      field :invite, :integer
+      field :kick, :integer
+      field :redact, :integer
+      field :state_default, :integer
+      field :users, {:map, :integer}
+      field :users_default, :integer
+
+      embeds_one :notifications, Notifications, primary_key: false do
+        field :room, :integer
+      end
+    end
+
     # TODO: unimplemented:
-    # creation_content, initial_state, invite_3pid, initial_state,
-    # is_direct, power_level_content_override
+    # creation_content, initial_state, invite_3pid, initial_state, is_direct
   end
 
   def changeset(data, params) do
@@ -36,6 +70,33 @@ defmodule ArchitexWeb.Client.Request.CreateRoom do
       :room_version,
       :preset
     ])
+    |> cast_embed(:power_level_content_override,
+      with: &power_level_content_override_changeset/2,
+      required: false
+    )
     |> validate_inclusion(:preset, ["private_chat", "public_chat", "trusted_private_chat"])
   end
+
+  def power_level_content_override_changeset(data, params) do
+    data
+    |> cast(params, [
+      :ban,
+      :events,
+      :events_default,
+      :invite,
+      :kick,
+      :redact,
+      :state_default,
+      :users,
+      :users_default
+    ])
+    |> cast_embed(:notifications,
+      with: &power_level_content_override_notifications_changeset/2,
+      required: false
+    )
+  end
+
+  def power_level_content_override_notifications_changeset(data, params) do
+    cast(data, params, [:room])
+  end
 end