diff --git a/packages/builder/cypress/integration/customThemingProperties.spec.js b/packages/builder/cypress/integration/customThemingProperties.spec.js
index 308a5c7966..99b03bb349 100644
--- a/packages/builder/cypress/integration/customThemingProperties.spec.js
+++ b/packages/builder/cypress/integration/customThemingProperties.spec.js
@@ -5,12 +5,12 @@ context("Custom Theming Properties", () => {
       cy.navigateToFrontend()
     })
 
-    // Default Values
-    // Button roundness = Large
-    // Accent colour = Blue 600
-    // Accent colour (hover) = Blue 500
-    // Navigation bar background colour = Gray 100
-    // Navigation bar text colour = Gray 800
+    /* Default Values:
+    Button roundness = Large
+    Accent colour = Blue 600
+    Accent colour (hover) = Blue 500
+    Navigation bar background colour = Gray 100
+    Navigation bar text colour = Gray 800 */
     it("should reset the color property values", () => {
       // Open Theme modal and change colours  
       cy.get(".spectrum-ActionButton-label").contains("Theme").click()
@@ -24,6 +24,29 @@ context("Custom Theming Properties", () => {
         checkThemeColorDefaults()
     })
     
+    /* Button Roundness Values:
+    None = 0
+    Small = 4px
+    Medium = 8px
+    Large = 16px */
+    it.only("should test button roundness", () => {
+      const buttonRoundnessValues = ["0", "4px", "8px", "16px"]
+      cy.wait(1000)
+      // Add button, change roundness and confirm value
+      cy.addComponent("Button", null).then((componentId) => {
+        buttonRoundnessValues.forEach(function (item, index){
+          cy.get(".spectrum-ActionButton-label").contains("Theme").click()
+          cy.get(".setting").contains("Button roundness").parent()
+          .get(".select-wrapper").click()
+          cy.get(".spectrum-Popover").find('li').eq(index).click()
+          cy.get(".spectrum-Button").contains("View changes").click({force: true})
+          cy.reload()
+          cy.getComponent(componentId)
+        .parents(".svelte-xiqd1c").eq(0).should('have.attr', 'style').and('contains', `--buttonBorderRadius:${item}`)
+      })
+    })
+  })
+    
     const changeThemeColors = () => {
       // Changes the theme colours
       cy.get(".spectrum-FieldLabel").contains("Accent color")
diff --git a/packages/builder/cypress/integration/renameAnApplication.spec.js b/packages/builder/cypress/integration/renameAnApplication.spec.js
new file mode 100644
index 0000000000..c0ca27c0a1
--- /dev/null
+++ b/packages/builder/cypress/integration/renameAnApplication.spec.js
@@ -0,0 +1,102 @@
+context("Rename an App", () => {
+    beforeEach(() => {
+      cy.login()
+      cy.createTestApp()
+    })
+
+it("should rename an unpublished application", () => {
+    const appRename = "Cypress Renamed"
+    // Rename app, Search for app, Confirm name was changed
+    cy.get(".home-logo").click()
+    renameApp(appRename)
+    cy.searchForApplication(appRename)
+    cy.get(".appGrid").find(".wrapper").should("have.length", 1)
+    })
+    
+it("Should rename a published application", () => {
+    // It is not possible to rename a published application
+    const appRename = "Cypress Renamed"
+    // Publish the app
+    cy.get(".toprightnav")
+    cy.get(".spectrum-Button").contains("Publish").click({force: true})
+    cy.get(".spectrum-Dialog-grid")
+        .within(() => {
+            // Click publish again within the modal
+            cy.get(".spectrum-Button").contains("Publish").click({force: true})
+        })
+    // Rename app, Search for app, Confirm name was changed
+    cy.get(".home-logo").click()
+    renameApp(appRename, true)
+    cy.searchForApplication(appRename)
+    cy.get(".appGrid").find(".wrapper").should("have.length", 1)
+})
+
+it("Should try to rename an application to have no name", () => {
+    cy.get(".home-logo").click()
+    renameApp(" ", false, true)
+    // Close modal and confirm name has not been changed
+    cy.get(".spectrum-Dialog-grid").contains("Cancel").click()
+    cy.searchForApplication("Cypress Tests")
+    cy.get(".appGrid").find(".wrapper").should("have.length", 1)
+})
+
+it("Should create two applications with the same name", () => {
+    // It is not possible to have applications with the same name
+    const appName = "Cypress Tests"
+    cy.visit(`localhost:${Cypress.env("PORT")}/builder`)
+    cy.wait(500)
+    cy.get(".spectrum-Button").contains("Create app").click({force: true})
+    cy.contains(/Start from scratch/).click()
+    cy.get(".spectrum-Modal")
+    .within(() => {
+      cy.get("input").eq(0).type(appName)
+      cy.get(".spectrum-ButtonGroup").contains("Create app").click({force: true})
+      cy.get(".error").should("have.text", "Another app with the same name already exists")      
+    })
+})
+
+it("should validate application names", () => {
+    // App name must be letters, numbers and spaces only
+    // This test checks numbers and special characters specifically
+    const numberName = 12345
+    const specialCharName = "£$%^"
+    cy.get(".home-logo").click()
+    renameApp(numberName)
+    cy.searchForApplication(numberName)
+    cy.get(".appGrid").find(".wrapper").should("have.length", 1)
+    renameApp(specialCharName)
+    cy.get(".error").should("have.text", "App name must be letters, numbers and spaces only")
+})
+    
+    const renameApp = (appName, published, noName) => {
+    cy.request(`localhost:${Cypress.env("PORT")}/api/applications?status=all`)
+    .its("body")
+    .then(val => {
+        if (val.length > 0) {
+            cy.get(".title > :nth-child(3) > .spectrum-Icon").click()
+            // Check for when an app is published
+            if (published == true){
+                // Should not have Edit as option, will unpublish app
+                cy.should("not.have.value", "Edit")
+                cy.get(".spectrum-Menu").contains("Unpublish").click()
+                cy.get(".spectrum-Dialog-grid").contains("Unpublish app").click()
+                cy.get(".title > :nth-child(3) > .spectrum-Icon").click()
+            }
+            cy.contains("Edit").click()
+            cy.get(".spectrum-Modal")
+            .within(() => {
+                if (noName == true){
+                    cy.get("input").clear()
+                    cy.get(".spectrum-Dialog-grid").click()
+                    .contains("App name must be letters, numbers and spaces only")
+                    return cy
+                }
+                cy.get("input").clear()
+                cy.get("input").eq(0).type(appName).should("have.value", appName).blur()
+                cy.get(".spectrum-ButtonGroup").contains("Save").click({force: true})
+                cy.wait(500)
+      })
+    }
+    })
+}
+})
diff --git a/packages/builder/cypress/support/commands.js b/packages/builder/cypress/support/commands.js
index a8c8778e5e..82e3c45a1f 100644
--- a/packages/builder/cypress/support/commands.js
+++ b/packages/builder/cypress/support/commands.js
@@ -224,3 +224,9 @@ Cypress.Commands.add("addCustomSourceOptions", totalOptions => {
       cy.get(".spectrum-Button").contains("Save").click({ force: true })
     })
 })
+
+Cypress.Commands.add("searchForApplication", appName => {
+  cy.get(".spectrum-Textfield").within(() => {
+    cy.get("input").eq(0).type(appName)
+  })
+})