diff --git a/packages/builder/src/stores/builder/hover.js b/packages/builder/src/stores/builder/hover.ts
similarity index 73%
rename from packages/builder/src/stores/builder/hover.js
rename to packages/builder/src/stores/builder/hover.ts
index e28c74eaf2..8f9b77075c 100644
--- a/packages/builder/src/stores/builder/hover.js
+++ b/packages/builder/src/stores/builder/hover.ts
@@ -2,19 +2,24 @@ import { get } from "svelte/store"
 import { BudiStore } from "../BudiStore"
 import { previewStore } from "@/stores/builder"
 
+interface BuilderHoverStore {
+  hoverTimeout?: NodeJS.Timeout
+  componentId: string | null
+}
+
 export const INITIAL_HOVER_STATE = {
   componentId: null,
 }
 
-export class HoverStore extends BudiStore {
-  hoverTimeout
+export class HoverStore extends BudiStore<BuilderHoverStore> {
+  hoverTimeout?: NodeJS.Timeout
 
   constructor() {
     super({ ...INITIAL_HOVER_STATE })
     this.hover = this.hover.bind(this)
   }
 
-  hover(componentId, notifyClient = true) {
+  hover(componentId: string, notifyClient = true) {
     clearTimeout(this.hoverTimeout)
     if (componentId) {
       this.processHover(componentId, notifyClient)
@@ -25,7 +30,7 @@ export class HoverStore extends BudiStore {
     }
   }
 
-  processHover(componentId, notifyClient) {
+  processHover(componentId: string, notifyClient?: boolean) {
     if (componentId === get(this.store).componentId) {
       return
     }
diff --git a/packages/builder/src/stores/builder/navigation.js b/packages/builder/src/stores/builder/navigation.ts
similarity index 73%
rename from packages/builder/src/stores/builder/navigation.js
rename to packages/builder/src/stores/builder/navigation.ts
index e9a5e6f9dd..1574efee2a 100644
--- a/packages/builder/src/stores/builder/navigation.js
+++ b/packages/builder/src/stores/builder/navigation.ts
@@ -2,27 +2,22 @@ import { get } from "svelte/store"
 import { API } from "@/api"
 import { appStore } from "@/stores/builder"
 import { BudiStore } from "../BudiStore"
+import { AppNavigation, AppNavigationLink, UIObject } from "@budibase/types"
+
+interface BuilderNavigationStore extends AppNavigation {}
 
 export const INITIAL_NAVIGATION_STATE = {
   navigation: "Top",
   links: [],
-  title: null,
-  sticky: null,
-  hideLogo: null,
-  logoUrl: null,
-  hideTitle: null,
   textAlign: "Left",
-  navBackground: null,
-  navWidth: null,
-  navTextColor: null,
 }
 
-export class NavigationStore extends BudiStore {
+export class NavigationStore extends BudiStore<BuilderNavigationStore> {
   constructor() {
     super(INITIAL_NAVIGATION_STATE)
   }
 
-  syncAppNavigation(nav) {
+  syncAppNavigation(nav: AppNavigation) {
     this.update(state => ({
       ...state,
       ...nav,
@@ -33,15 +28,17 @@ export class NavigationStore extends BudiStore {
     this.store.set({ ...INITIAL_NAVIGATION_STATE })
   }
 
-  async save(navigation) {
+  async save(navigation: AppNavigation) {
     const appId = get(appStore).appId
     const app = await API.saveAppMetadata(appId, { navigation })
-    this.syncAppNavigation(app.navigation)
+    if (app.navigation) {
+      this.syncAppNavigation(app.navigation)
+    }
   }
 
-  async saveLink(url, title, roleId) {
+  async saveLink(url: string, title: string, roleId: string) {
     const navigation = get(this.store)
-    let links = [...(navigation?.links ?? [])]
+    let links: AppNavigationLink[] = [...(navigation?.links ?? [])]
 
     // Skip if we have an identical link
     if (links.find(link => link.url === url && link.text === title)) {
@@ -60,7 +57,7 @@ export class NavigationStore extends BudiStore {
     })
   }
 
-  async deleteLink(urls) {
+  async deleteLink(urls: string[] | string) {
     const navigation = get(this.store)
     let links = navigation?.links
     if (!links?.length) {
@@ -86,7 +83,7 @@ export class NavigationStore extends BudiStore {
     })
   }
 
-  syncMetadata(metadata) {
+  syncMetadata(metadata: UIObject) {
     const { navigation } = metadata
     this.syncAppNavigation(navigation)
   }
diff --git a/packages/builder/src/stores/builder/rowActions.js b/packages/builder/src/stores/builder/rowActions.ts
similarity index 70%
rename from packages/builder/src/stores/builder/rowActions.js
rename to packages/builder/src/stores/builder/rowActions.ts
index 9cc4063b91..9576eccd1b 100644
--- a/packages/builder/src/stores/builder/rowActions.js
+++ b/packages/builder/src/stores/builder/rowActions.ts
@@ -6,18 +6,29 @@ import { automationStore } from "./automations"
 import { API } from "@/api"
 import { getSequentialName } from "@/helpers/duplicate"
 
-const initialState = {}
+interface RowAction {
+  id: string
+  name: string
+  tableId: string
+  allowedSources?: string[]
+}
 
-export class RowActionStore extends BudiStore {
+interface RowActionState {
+  [tableId: string]: RowAction[]
+}
+
+const initialState: RowActionState = {}
+
+export class RowActionStore extends BudiStore<RowActionState> {
   constructor() {
     super(initialState)
   }
 
   reset = () => {
-    this.store.set(initialState)
+    this.set(initialState)
   }
 
-  refreshRowActions = async sourceId => {
+  refreshRowActions = async (sourceId: string) => {
     if (!sourceId) {
       return
     }
@@ -34,26 +45,30 @@ export class RowActionStore extends BudiStore {
 
     // Fetch row actions for this table
     const res = await API.rowActions.fetch(tableId)
-    const actions = Object.values(res || {})
+    const actions = Object.values(res || {}) as RowAction[]
     this.update(state => ({
       ...state,
       [tableId]: actions,
     }))
   }
 
-  createRowAction = async (tableId, viewId, name) => {
+  createRowAction = async (tableId: string, viewId?: string, name?: string) => {
     if (!tableId) {
       return
     }
 
     // Get a unique name for this action
     if (!name) {
-      const existingRowActions = get(this.store)[tableId] || []
+      const existingRowActions = get(this)[tableId] || []
       name = getSequentialName(existingRowActions, "New row action ", {
         getName: x => x.name,
       })
     }
 
+    if (!name) {
+      throw new Error("Failed to generate a unique name for the row action")
+    }
+
     // Create the action
     const res = await API.rowActions.create(tableId, name)
 
@@ -73,41 +88,35 @@ export class RowActionStore extends BudiStore {
     return res
   }
 
-  enableView = async (tableId, rowActionId, viewId) => {
+  enableView = async (tableId: string, rowActionId: string, viewId: string) => {
     await API.rowActions.enableView(tableId, rowActionId, viewId)
     await this.refreshRowActions(tableId)
   }
 
-  disableView = async (tableId, rowActionId, viewId) => {
+  disableView = async (
+    tableId: string,
+    rowActionId: string,
+    viewId: string
+  ) => {
     await API.rowActions.disableView(tableId, rowActionId, viewId)
     await this.refreshRowActions(tableId)
   }
 
-  rename = async (tableId, rowActionId, name) => {
-    await API.rowActions.update({
-      tableId,
-      rowActionId,
-      name,
-    })
-    await this.refreshRowActions(tableId)
-    automationStore.actions.fetch()
-  }
-
-  delete = async (tableId, rowActionId) => {
+  delete = async (tableId: string, rowActionId: string) => {
     await API.rowActions.delete(tableId, rowActionId)
     await this.refreshRowActions(tableId)
     // We don't need to refresh automations as we can only delete row actions
     // from the automations store, so we already handle the state update there
   }
 
-  trigger = async (sourceId, rowActionId, rowId) => {
+  trigger = async (sourceId: string, rowActionId: string, rowId: string) => {
     await API.rowActions.trigger(sourceId, rowActionId, rowId)
   }
 }
 
 const store = new RowActionStore()
-const derivedStore = derived(store, $store => {
-  let map = {}
+const derivedStore = derived<RowActionStore, RowActionState>(store, $store => {
+  const map: RowActionState = {}
 
   // Generate an entry for every view as well
   Object.keys($store || {}).forEach(tableId => {
@@ -115,7 +124,7 @@ const derivedStore = derived(store, $store => {
     map[tableId] = $store[tableId]
     for (let action of $store[tableId]) {
       const otherSources = (action.allowedSources || []).filter(
-        sourceId => sourceId !== tableId
+        (sourceId: string) => sourceId !== tableId
       )
       for (let source of otherSources) {
         map[source] ??= []
diff --git a/packages/builder/src/stores/builder/snippets.js b/packages/builder/src/stores/builder/snippets.js
deleted file mode 100644
index 4e98ef1bdc..0000000000
--- a/packages/builder/src/stores/builder/snippets.js
+++ /dev/null
@@ -1,35 +0,0 @@
-import { writable, get } from "svelte/store"
-import { API } from "@/api"
-import { appStore } from "./app"
-
-const createsnippets = () => {
-  const store = writable([])
-
-  const syncMetadata = metadata => {
-    store.set(metadata?.snippets || [])
-  }
-
-  const saveSnippet = async updatedSnippet => {
-    const snippets = [
-      ...get(store).filter(snippet => snippet.name !== updatedSnippet.name),
-      updatedSnippet,
-    ]
-    const app = await API.saveAppMetadata(get(appStore).appId, { snippets })
-    syncMetadata(app)
-  }
-
-  const deleteSnippet = async snippetName => {
-    const snippets = get(store).filter(snippet => snippet.name !== snippetName)
-    const app = await API.saveAppMetadata(get(appStore).appId, { snippets })
-    syncMetadata(app)
-  }
-
-  return {
-    ...store,
-    syncMetadata,
-    saveSnippet,
-    deleteSnippet,
-  }
-}
-
-export const snippets = createsnippets()
diff --git a/packages/builder/src/stores/builder/snippets.ts b/packages/builder/src/stores/builder/snippets.ts
new file mode 100644
index 0000000000..a6a63f7c89
--- /dev/null
+++ b/packages/builder/src/stores/builder/snippets.ts
@@ -0,0 +1,32 @@
+import { get } from "svelte/store"
+import { API } from "@/api"
+import { appStore } from "./app"
+import { BudiStore } from "../BudiStore"
+import { Snippet, UpdateAppResponse } from "@budibase/types"
+
+export class SnippetStore extends BudiStore<Snippet[]> {
+  constructor() {
+    super([])
+  }
+
+  syncMetadata = (metadata: UpdateAppResponse) => {
+    this.set(metadata?.snippets || [])
+  }
+
+  saveSnippet = async (updatedSnippet: Snippet) => {
+    const snippets = [
+      ...get(this).filter(snippet => snippet.name !== updatedSnippet.name),
+      updatedSnippet,
+    ]
+    const app = await API.saveAppMetadata(get(appStore).appId, { snippets })
+    this.syncMetadata(app)
+  }
+
+  deleteSnippet = async (snippetName: string) => {
+    const snippets = get(this).filter(snippet => snippet.name !== snippetName)
+    const app = await API.saveAppMetadata(get(appStore).appId, { snippets })
+    this.syncMetadata(app)
+  }
+}
+
+export const snippets = new SnippetStore()
diff --git a/packages/builder/src/stores/builder/theme.js b/packages/builder/src/stores/builder/theme.js
deleted file mode 100644
index ed46e9095a..0000000000
--- a/packages/builder/src/stores/builder/theme.js
+++ /dev/null
@@ -1,58 +0,0 @@
-import { writable, get } from "svelte/store"
-import { API } from "@/api"
-import { ensureValidTheme, DefaultAppTheme } from "@budibase/shared-core"
-
-export const createThemeStore = () => {
-  const store = writable({
-    theme: DefaultAppTheme,
-    customTheme: {},
-  })
-
-  const syncAppTheme = app => {
-    store.update(state => {
-      const theme = ensureValidTheme(app.theme, DefaultAppTheme)
-      return {
-        ...state,
-        theme,
-        customTheme: app.customTheme,
-      }
-    })
-  }
-
-  const save = async (theme, appId) => {
-    const app = await API.saveAppMetadata(appId, { theme })
-    store.update(state => {
-      state.theme = app.theme
-      return state
-    })
-  }
-
-  const saveCustom = async (theme, appId) => {
-    const updated = { ...get(store).customTheme, ...theme }
-    const app = await API.saveAppMetadata(appId, { customTheme: updated })
-    store.update(state => {
-      state.customTheme = app.customTheme
-      return state
-    })
-  }
-
-  const syncMetadata = metadata => {
-    const { theme, customTheme } = metadata
-    store.update(state => ({
-      ...state,
-      theme: ensureValidTheme(theme, DefaultAppTheme),
-      customTheme,
-    }))
-  }
-
-  return {
-    subscribe: store.subscribe,
-    update: store.update,
-    syncMetadata,
-    syncAppTheme,
-    save,
-    saveCustom,
-  }
-}
-
-export const themeStore = createThemeStore()
diff --git a/packages/builder/src/stores/builder/theme.ts b/packages/builder/src/stores/builder/theme.ts
new file mode 100644
index 0000000000..604add9410
--- /dev/null
+++ b/packages/builder/src/stores/builder/theme.ts
@@ -0,0 +1,58 @@
+import { get } from "svelte/store"
+import { API } from "@/api"
+import { BudiStore } from "../BudiStore"
+import { ensureValidTheme, DefaultAppTheme } from "@budibase/shared-core"
+import { App, UpdateAppResponse, Theme, AppCustomTheme } from "@budibase/types"
+
+interface ThemeState {
+  theme: Theme
+  customTheme: AppCustomTheme
+}
+
+export class ThemeStore extends BudiStore<ThemeState> {
+  constructor() {
+    super({
+      theme: DefaultAppTheme,
+      customTheme: {},
+    })
+  }
+
+  syncAppTheme = (app: App) => {
+    this.update(state => {
+      const theme = ensureValidTheme(app.theme, DefaultAppTheme)
+      return {
+        ...state,
+        theme,
+        customTheme: app.customTheme || {},
+      }
+    })
+  }
+
+  save = async (theme: Theme, appId: string) => {
+    const app = await API.saveAppMetadata(appId, { theme })
+    this.update(state => ({
+      ...state,
+      theme: ensureValidTheme(app.theme, DefaultAppTheme),
+    }))
+  }
+
+  saveCustom = async (theme: Partial<AppCustomTheme>, appId: string) => {
+    const updated = { ...get(this).customTheme, ...theme }
+    const app = await API.saveAppMetadata(appId, { customTheme: updated })
+    this.update(state => ({
+      ...state,
+      customTheme: app.customTheme || {},
+    }))
+  }
+
+  syncMetadata = (metadata: UpdateAppResponse) => {
+    const { theme, customTheme } = metadata
+    this.update(state => ({
+      ...state,
+      theme: ensureValidTheme(theme, DefaultAppTheme),
+      customTheme: customTheme || {},
+    }))
+  }
+}
+
+export const themeStore = new ThemeStore()
diff --git a/packages/types/src/documents/app/app.ts b/packages/types/src/documents/app/app.ts
index e31dd1e9ac..46799cb61a 100644
--- a/packages/types/src/documents/app/app.ts
+++ b/packages/types/src/documents/app/app.ts
@@ -1,4 +1,4 @@
-import { User, Document, Plugin, Snippet } from "../"
+import { User, Document, Plugin, Snippet, Theme } from "../"
 import { SocketSession } from "../../sdk"
 
 export type AppMetadataErrors = { [key: string]: string[] }
@@ -14,7 +14,7 @@ export interface App extends Document {
   instance: AppInstance
   tenantId: string
   status: string
-  theme?: string
+  theme?: Theme
   customTheme?: AppCustomTheme
   revertableVersion?: string
   lockedBy?: User
@@ -37,8 +37,8 @@ export interface AppInstance {
 
 export interface AppNavigation {
   navigation: string
-  title: string
-  navWidth: string
+  title?: string
+  navWidth?: string
   sticky?: boolean
   hideLogo?: boolean
   logoUrl?: string
@@ -46,6 +46,7 @@ export interface AppNavigation {
   navBackground?: string
   navTextColor?: string
   links?: AppNavigationLink[]
+  textAlign?: string
 }
 
 export interface AppNavigationLink {
@@ -53,6 +54,8 @@ export interface AppNavigationLink {
   url: string
   id?: string
   roleId?: string
+  type?: string
+  subLinks?: AppNavigationLink[]
 }
 
 export interface AppCustomTheme {
diff --git a/packages/types/src/ui/stores/index.ts b/packages/types/src/ui/stores/index.ts
index 1b82a06388..daf73bba75 100644
--- a/packages/types/src/ui/stores/index.ts
+++ b/packages/types/src/ui/stores/index.ts
@@ -1,4 +1,5 @@
 export * from "./integration"
+export * from "./misc"
 export * from "./automations"
 export * from "./grid"
 export * from "./preview"
diff --git a/packages/types/src/ui/stores/misc.ts b/packages/types/src/ui/stores/misc.ts
new file mode 100644
index 0000000000..275b388e9f
--- /dev/null
+++ b/packages/types/src/ui/stores/misc.ts
@@ -0,0 +1,2 @@
+// type purely to capture structures that the type is unknown, but maybe known later
+export type UIObject = Record<string, any>