diff --git a/res/css/structures/_SpaceRoomView.scss b/res/css/structures/_SpaceRoomView.scss
index 269f16beb7..553919d862 100644
--- a/res/css/structures/_SpaceRoomView.scss
+++ b/res/css/structures/_SpaceRoomView.scss
@@ -81,6 +81,16 @@ $SpaceRoomViewInnerWidth: 428px;
             color: $secondary-fg-color;
             margin-top: 12px;
             margin-bottom: 24px;
+            max-width: $SpaceRoomViewInnerWidth;
+        }
+
+        .mx_AddExistingToSpace {
+            max-width: $SpaceRoomViewInnerWidth;
+
+            .mx_AddExistingToSpace_content {
+                height: calc(100vh - 360px);
+                max-height: 400px;
+            }
         }
 
         .mx_SpaceRoomView_buttons {
diff --git a/res/css/views/dialogs/_AddExistingToSpaceDialog.scss b/res/css/views/dialogs/_AddExistingToSpaceDialog.scss
index 247df52b4a..84f965e6bd 100644
--- a/res/css/views/dialogs/_AddExistingToSpaceDialog.scss
+++ b/res/css/views/dialogs/_AddExistingToSpaceDialog.scss
@@ -21,6 +21,66 @@ limitations under the License.
     }
 }
 
+.mx_AddExistingToSpace {
+    .mx_SearchBox {
+        // To match the space around the title
+        margin: 0 0 15px 0;
+        flex-grow: 0;
+    }
+
+    .mx_AddExistingToSpace_content {
+        flex-grow: 1;
+    }
+
+    .mx_AddExistingToSpace_noResults {
+        display: block;
+        margin-top: 24px;
+    }
+
+    .mx_AddExistingToSpace_section {
+        &:not(:first-child) {
+            margin-top: 24px;
+        }
+
+        > h3 {
+            margin: 0;
+            color: $secondary-fg-color;
+            font-size: $font-12px;
+            font-weight: $font-semi-bold;
+            line-height: $font-15px;
+        }
+
+        .mx_AddExistingToSpace_entry {
+            display: flex;
+            margin-top: 12px;
+
+            .mx_BaseAvatar {
+                margin-right: 12px;
+            }
+
+            .mx_AddExistingToSpace_entry_name {
+                font-size: $font-15px;
+                line-height: 30px;
+                flex-grow: 1;
+                overflow: hidden;
+                white-space: nowrap;
+                text-overflow: ellipsis;
+                margin-right: 12px;
+            }
+
+            .mx_Checkbox {
+                align-items: center;
+            }
+        }
+    }
+
+    .mx_AddExistingToSpace_section_spaces {
+        .mx_BaseAvatar_image {
+            border-radius: 8px;
+        }
+    }
+}
+
 .mx_AddExistingToSpaceDialog {
     width: 480px;
     color: $primary-fg-color;
@@ -100,12 +160,6 @@ limitations under the License.
         }
     }
 
-    .mx_SearchBox {
-        // To match the space around the title
-        margin: 0 0 15px 0;
-        flex-grow: 0;
-    }
-
     .mx_AddExistingToSpaceDialog_errorText {
         font-weight: $font-semi-bold;
         font-size: $font-12px;
@@ -114,56 +168,8 @@ limitations under the License.
         margin-bottom: 28px;
     }
 
-    .mx_AddExistingToSpaceDialog_content {
-        flex-grow: 1;
-
-        .mx_AddExistingToSpaceDialog_noResults {
-            display: block;
-            margin-top: 24px;
-        }
-    }
-
-    .mx_AddExistingToSpaceDialog_section {
-        &:not(:first-child) {
-            margin-top: 24px;
-        }
-
-        > h3 {
-            margin: 0;
-            color: $secondary-fg-color;
-            font-size: $font-12px;
-            font-weight: $font-semi-bold;
-            line-height: $font-15px;
-        }
-
-        .mx_AddExistingToSpaceDialog_entry {
-            display: flex;
-            margin-top: 12px;
-
-            .mx_BaseAvatar {
-                margin-right: 12px;
-            }
-
-            .mx_AddExistingToSpaceDialog_entry_name {
-                font-size: $font-15px;
-                line-height: 30px;
-                flex-grow: 1;
-                overflow: hidden;
-                white-space: nowrap;
-                text-overflow: ellipsis;
-                margin-right: 12px;
-            }
-
-            .mx_Checkbox {
-                align-items: center;
-            }
-        }
-    }
-
-    .mx_AddExistingToSpaceDialog_section_spaces {
-        .mx_BaseAvatar_image {
-            border-radius: 8px;
-        }
+    .mx_AddExistingToSpace {
+        display: contents;
     }
 
     .mx_AddExistingToSpaceDialog_footer {
diff --git a/src/components/structures/SpaceRoomView.tsx b/src/components/structures/SpaceRoomView.tsx
index 31358a3731..cdf9dc02d3 100644
--- a/src/components/structures/SpaceRoomView.tsx
+++ b/src/components/structures/SpaceRoomView.tsx
@@ -51,6 +51,9 @@ import MemberAvatar from "../views/avatars/MemberAvatar";
 import {useStateToggle} from "../../hooks/useStateToggle";
 import SpaceStore from "../../stores/SpaceStore";
 import FacePile from "../views/elements/FacePile";
+import {AddExistingToSpace} from "../views/dialogs/AddExistingToSpaceDialog";
+import {allSettled} from "../../utils/promise";
+import {calculateRoomVia} from "../../utils/permalinks/Permalinks";
 
 interface IProps {
     space: Room;
@@ -354,7 +357,7 @@ const SpaceSetupFirstRooms = ({ space, title, description, onFinished }) => {
     let buttonLabel = _t("Skip for now");
     if (roomNames.some(name => name.trim())) {
         onClick = onNextClick;
-        buttonLabel = busy ? _t("Creating rooms...") : _t("Continue")
+        buttonLabel = busy ? _t("Creating rooms...") : _t("Continue");
     }
 
     return <div>
@@ -376,6 +379,65 @@ const SpaceSetupFirstRooms = ({ space, title, description, onFinished }) => {
     </div>;
 };
 
+const SpaceAddExistingRooms = ({ space, onFinished }) => {
+    const [selectedToAdd, setSelectedToAdd] = useState(new Set<Room>());
+
+    const [busy, setBusy] = useState(false);
+    const [error, setError] = useState("");
+
+    let onClick = onFinished;
+    let buttonLabel = _t("Skip for now");
+    if (selectedToAdd.size > 0) {
+        onClick = async () => {
+            // TODO rate limiting
+            setBusy(true);
+            try {
+                await allSettled(Array.from(selectedToAdd).map((room) =>
+                    SpaceStore.instance.addRoomToSpace(space, room.roomId, calculateRoomVia(room))));
+                onFinished(true);
+            } catch (e) {
+                console.error("Failed to add rooms to space", e);
+                setError(_t("Failed to add rooms to space"));
+            }
+            setBusy(false);
+        };
+        buttonLabel = busy ? _t("Adding...") : _t("Add");
+    }
+
+    return <div>
+        <h1>{ _t("What do you want to organise?") }</h1>
+        <div className="mx_SpaceRoomView_description">
+            { _t("Pick rooms or conversations to add. This is just a space for you, " +
+                "no one will be informed. You can add more later.") }
+        </div>
+
+        { error && <div className="mx_SpaceRoomView_errorText">{ error }</div> }
+
+        <AddExistingToSpace
+            space={space}
+            selected={selectedToAdd}
+            onChange={(checked, room) => {
+                if (checked) {
+                    selectedToAdd.add(room);
+                } else {
+                    selectedToAdd.delete(room);
+                }
+                setSelectedToAdd(new Set(selectedToAdd));
+            }}
+        />
+
+        <div className="mx_SpaceRoomView_buttons">
+            <AccessibleButton
+                kind="primary"
+                disabled={busy}
+                onClick={onClick}
+            >
+                { buttonLabel }
+            </AccessibleButton>
+        </div>
+    </div>;
+};
+
 const SpaceSetupPublicShare = ({ space, onFinished }) => {
     return <div className="mx_SpaceRoomView_publicShare">
         <h1>{ _t("Share %(name)s", { name: space.name }) }</h1>
@@ -659,7 +721,7 @@ export default class SpaceRoomView extends React.PureComponent<IProps, IState> {
                 return <SpaceSetupPrivateScope
                     space={this.props.space}
                     onFinished={(invite: boolean) => {
-                        this.setState({ phase: invite ? Phase.PrivateInvite : Phase.PrivateCreateRooms });
+                        this.setState({ phase: invite ? Phase.PrivateInvite : Phase.PrivateExistingRooms });
                     }}
                 />;
             case Phase.PrivateInvite:
@@ -675,6 +737,11 @@ export default class SpaceRoomView extends React.PureComponent<IProps, IState> {
                         "You can add more later too, including already existing ones.")}
                     onFinished={() => this.setState({ phase: Phase.Landing })}
                 />;
+            case Phase.PrivateExistingRooms:
+                return <SpaceAddExistingRooms
+                    space={this.props.space}
+                    onFinished={() => this.setState({ phase: Phase.Landing })}
+                />;
         }
     }
 
diff --git a/src/components/views/dialogs/AddExistingToSpaceDialog.tsx b/src/components/views/dialogs/AddExistingToSpaceDialog.tsx
index b0a3d7ffa3..1f45a76008 100644
--- a/src/components/views/dialogs/AddExistingToSpaceDialog.tsx
+++ b/src/components/views/dialogs/AddExistingToSpaceDialog.tsx
@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React, {useState} from "react";
+import React, {useContext, useState} from "react";
 import classNames from "classnames";
 import {Room} from "matrix-js-sdk/src/models/room";
 import {MatrixClient} from "matrix-js-sdk/src/client";
@@ -33,6 +33,7 @@ import {allSettled} from "../../../utils/promise";
 import DMRoomMap from "../../../utils/DMRoomMap";
 import {calculateRoomVia} from "../../../utils/permalinks/Permalinks";
 import StyledCheckbox from "../elements/StyledCheckbox";
+import MatrixClientContext from "../../../contexts/MatrixClientContext";
 
 interface IProps extends IDialogProps {
     matrixClient: MatrixClient;
@@ -41,31 +42,35 @@ interface IProps extends IDialogProps {
 }
 
 const Entry = ({ room, checked, onChange }) => {
-    return <label className="mx_AddExistingToSpaceDialog_entry">
+    return <label className="mx_AddExistingToSpace_entry">
         <RoomAvatar room={room} height={32} width={32} />
-        <span className="mx_AddExistingToSpaceDialog_entry_name">{ room.name }</span>
+        <span className="mx_AddExistingToSpace_entry_name">{ room.name }</span>
         <StyledCheckbox onChange={(e) => onChange(e.target.checked)} checked={checked} />
     </label>;
 };
 
-const AddExistingToSpaceDialog: React.FC<IProps> = ({ matrixClient: cli, space, onCreateRoomClick, onFinished }) => {
+interface IAddExistingToSpaceProps {
+    space: Room;
+    selected: Set<Room>;
+    onChange(checked: boolean, room: Room): void;
+}
+
+export const AddExistingToSpace: React.FC<IAddExistingToSpaceProps> = ({ space, selected, onChange }) => {
+    const cli = useContext(MatrixClientContext);
     const [query, setQuery] = useState("");
     const lcQuery = query.toLowerCase();
 
-    const [selectedSpace, setSelectedSpace] = useState(space);
-    const [selectedToAdd, setSelectedToAdd] = useState(new Set<Room>());
-
     const existingSubspaces = SpaceStore.instance.getChildSpaces(space.roomId);
     const existingSubspacesSet = new Set(existingSubspaces);
     const existingRoomsSet = new Set(SpaceStore.instance.getChildRooms(space.roomId));
 
-    const joinRule = selectedSpace.getJoinRule();
+    const joinRule = space.getJoinRule();
     const [spaces, rooms, dms] = cli.getVisibleRooms().reduce((arr, room) => {
         if (room.getMyMembership() !== "join") return arr;
         if (!room.name.toLowerCase().includes(lcQuery)) return arr;
 
         if (room.isSpaceRoom()) {
-            if (room !== space && room !== selectedSpace && !existingSubspacesSet.has(room)) {
+            if (room !== space && !existingSubspacesSet.has(room)) {
                 arr[0].push(room);
             }
         } else if (!existingRoomsSet.has(room)) {
@@ -79,11 +84,80 @@ const AddExistingToSpaceDialog: React.FC<IProps> = ({ matrixClient: cli, space,
         return arr;
     }, [[], [], []]);
 
+    return <div className="mx_AddExistingToSpace">
+        <SearchBox
+            className="mx_textinput_icon mx_textinput_search"
+            placeholder={ _t("Filter your rooms and spaces") }
+            onSearch={setQuery}
+            autoComplete={true}
+            autoFocus={true}
+        />
+        <AutoHideScrollbar className="mx_AddExistingToSpace_content" id="mx_AddExistingToSpace">
+            { rooms.length > 0 ? (
+                <div className="mx_AddExistingToSpace_section">
+                    <h3>{ _t("Rooms") }</h3>
+                    { rooms.map(room => {
+                        return <Entry
+                            key={room.roomId}
+                            room={room}
+                            checked={selected.has(room)}
+                            onChange={(checked) => {
+                                onChange(checked, room);
+                            }}
+                        />;
+                    }) }
+                </div>
+            ) : undefined }
+
+            { spaces.length > 0 ? (
+                <div className="mx_AddExistingToSpace_section mx_AddExistingToSpace_section_spaces">
+                    <h3>{ _t("Spaces") }</h3>
+                    { spaces.map(space => {
+                        return <Entry
+                            key={space.roomId}
+                            room={space}
+                            checked={selected.has(space)}
+                            onChange={(checked) => {
+                                onChange(checked, space);
+                            }}
+                        />;
+                    }) }
+                </div>
+            ) : null }
+
+            { dms.length > 0 ? (
+                <div className="mx_AddExistingToSpace_section">
+                    <h3>{ _t("Direct Messages") }</h3>
+                    { dms.map(room => {
+                        return <Entry
+                            key={room.roomId}
+                            room={room}
+                            checked={selected.has(room)}
+                            onChange={(checked) => {
+                                onChange(checked, room);
+                            }}
+                        />;
+                    }) }
+                </div>
+            ) : null }
+
+            { spaces.length + rooms.length + dms.length < 1 ? <span className="mx_AddExistingToSpace_noResults">
+                { _t("No results") }
+            </span> : undefined }
+        </AutoHideScrollbar>
+    </div>;
+};
+
+const AddExistingToSpaceDialog: React.FC<IProps> = ({ matrixClient: cli, space, onCreateRoomClick, onFinished }) => {
+    const [selectedSpace, setSelectedSpace] = useState(space);
+    const existingSubspaces = SpaceStore.instance.getChildSpaces(space.roomId);
+    const [selectedToAdd, setSelectedToAdd] = useState(new Set<Room>());
+
     const [busy, setBusy] = useState(false);
     const [error, setError] = useState("");
 
     let spaceOptionSection;
-    if (existingSubspacesSet.size > 0) {
+    if (existingSubspaces.length > 0) {
         const options = [space, ...existingSubspaces].map((space) => {
             const classes = classNames("mx_AddExistingToSpaceDialog_dropdownOption", {
                 mx_AddExistingToSpaceDialog_dropdownOptionActive: space === selectedSpace,
@@ -123,87 +197,26 @@ const AddExistingToSpaceDialog: React.FC<IProps> = ({ matrixClient: cli, space,
     return <BaseDialog
         title={title}
         className="mx_AddExistingToSpaceDialog"
-        contentId="mx_AddExistingToSpaceDialog"
+        contentId="mx_AddExistingToSpace"
         onFinished={onFinished}
         fixedWidth={false}
     >
         { error && <div className="mx_AddExistingToSpaceDialog_errorText">{ error }</div> }
 
-        <SearchBox
-            className="mx_textinput_icon mx_textinput_search"
-            placeholder={ _t("Filter your rooms and spaces") }
-            onSearch={setQuery}
-            autoComplete={true}
-            autoFocus={true}
-        />
-        <AutoHideScrollbar className="mx_AddExistingToSpaceDialog_content" id="mx_AddExistingToSpaceDialog">
-            { rooms.length > 0 ? (
-                <div className="mx_AddExistingToSpaceDialog_section">
-                    <h3>{ _t("Rooms") }</h3>
-                    { rooms.map(room => {
-                        return <Entry
-                            key={room.roomId}
-                            room={room}
-                            checked={selectedToAdd.has(room)}
-                            onChange={(checked) => {
-                                if (checked) {
-                                    selectedToAdd.add(room);
-                                } else {
-                                    selectedToAdd.delete(room);
-                                }
-                                setSelectedToAdd(new Set(selectedToAdd));
-                            }}
-                        />;
-                    }) }
-                </div>
-            ) : undefined }
-
-            { spaces.length > 0 ? (
-                <div className="mx_AddExistingToSpaceDialog_section mx_AddExistingToSpaceDialog_section_spaces">
-                    <h3>{ _t("Spaces") }</h3>
-                    { spaces.map(space => {
-                        return <Entry
-                            key={space.roomId}
-                            room={space}
-                            checked={selectedToAdd.has(space)}
-                            onChange={(checked) => {
-                                if (checked) {
-                                    selectedToAdd.add(space);
-                                } else {
-                                    selectedToAdd.delete(space);
-                                }
-                                setSelectedToAdd(new Set(selectedToAdd));
-                            }}
-                        />;
-                    }) }
-                </div>
-            ) : null }
-
-            { dms.length > 0 ? (
-                <div className="mx_AddExistingToSpaceDialog_section">
-                    <h3>{ _t("Direct Messages") }</h3>
-                    { dms.map(space => {
-                        return <Entry
-                            key={space.roomId}
-                            room={space}
-                            checked={selectedToAdd.has(space)}
-                            onChange={(checked) => {
-                                if (checked) {
-                                    selectedToAdd.add(space);
-                                } else {
-                                    selectedToAdd.delete(space);
-                                }
-                                setSelectedToAdd(new Set(selectedToAdd));
-                            }}
-                        />;
-                    }) }
-                </div>
-            ) : null }
-
-            { spaces.length + rooms.length + dms.length < 1 ? <span className="mx_AddExistingToSpaceDialog_noResults">
-                { _t("No results") }
-            </span> : undefined }
-        </AutoHideScrollbar>
+        <MatrixClientContext.Provider value={cli}>
+            <AddExistingToSpace
+                space={space}
+                selected={selectedToAdd}
+                onChange={(checked, room) => {
+                    if (checked) {
+                        selectedToAdd.add(room);
+                    } else {
+                        selectedToAdd.delete(room);
+                    }
+                    setSelectedToAdd(new Set(selectedToAdd));
+                }}
+            />
+        </MatrixClientContext.Provider>
 
         <div className="mx_AddExistingToSpaceDialog_footer">
             <span>
@@ -217,6 +230,7 @@ const AddExistingToSpaceDialog: React.FC<IProps> = ({ matrixClient: cli, space,
                 kind="primary"
                 disabled={busy || selectedToAdd.size < 1}
                 onClick={async () => {
+                    // TODO rate limiting
                     setBusy(true);
                     try {
                         await allSettled(Array.from(selectedToAdd).map((room) =>
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index 33f42765d2..85e8e54258 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -2021,11 +2021,11 @@
     "Add a new server...": "Add a new server...",
     "%(networkName)s rooms": "%(networkName)s rooms",
     "Matrix rooms": "Matrix rooms",
-    "Space selection": "Space selection",
-    "Add existing rooms": "Add existing rooms",
     "Filter your rooms and spaces": "Filter your rooms and spaces",
     "Spaces": "Spaces",
     "Direct Messages": "Direct Messages",
+    "Space selection": "Space selection",
+    "Add existing rooms": "Add existing rooms",
     "Don't want to add an existing room?": "Don't want to add an existing room?",
     "Create a new room": "Create a new room",
     "Failed to add rooms to space": "Failed to add rooms to space",
@@ -2667,6 +2667,8 @@
     "Failed to create initial space rooms": "Failed to create initial space rooms",
     "Skip for now": "Skip for now",
     "Creating rooms...": "Creating rooms...",
+    "What do you want to organise?": "What do you want to organise?",
+    "Pick rooms or conversations to add. This is just a space for you, no one will be informed. You can add more later.": "Pick rooms or conversations to add. This is just a space for you, no one will be informed. You can add more later.",
     "Share %(name)s": "Share %(name)s",
     "It's just you at the moment, it will be even better with others.": "It's just you at the moment, it will be even better with others.",
     "Go to my first room": "Go to my first room",