Like these: https://ttcwm.com/products/rustic-scaffold-board-shelf-brackets-with-lip?variant=37958634274976¤cy=GBP&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic&gad_source=1&gclid=Cj0KCQjwqpSwBhClARIsADlZ_TnOqxrjdtqCce0FWAur9d_u2kXWPU6pY9BqRznR9YWXOT2YVA8uEEYaAva_EALw_wcB and this https://www.amazon.co.uk/BOODON-Furniture-Proofing-Bookcase-Cabinets/dp/B084KJHPC6/ref=asc_df_B084KJHPC6/?tag=googshopuk-21&linkCode=df0&hvadid=430861531825&hvpos=&hvnetw=g&hvrand=7331445323284527594&hvpone=&hvptwo=&hvqmt=&hvdev=m&hvdvcmdl=&hvlocint=&hvlocphy=1006565&hvtargid=pla-910708549873&psc=1&mcid=388ad098dee43886a12ef4a96d205bae&tag=&ref=&adgrpid=98945667014&hvpone=&hvptwo=&hvadid=430861531825&hvpos=&hvnetw=g&hvrand=7331445323284527594&hvqmt=&hvdev=m&hvdvcmdl=&hvlocint=&hvlocphy=1006565&hvtargid=pla-910708549873
For some shelves we got these l shaped brackets you can buy from any hardware place like b&q and attached to the wall and the shelves, worked a treat. For tv you can get these fabric bands you screw into back and whatever stand you hang so the TV itself doesn't fall over