How to disable all FormControls inside a FormGroup
If you want to disable the group, you need to tell what this.Personal is, now you have just declared it as a FormGroup, nothing else. So you can do it after building the form: this.Personal = this.myForm.get(‘Personal’) Then you can just disable it with: this.Personal.disable(); DEMO: http://plnkr.co/edit/QAhY6A9950jqrgzvjVKu?p=preview