Hello, it looks like a display would cost around £40 including shipping -> [link|https://www.aliexpress.com/item/32907726478.html?spm=a2g0o.productlist.main.7.4a922f58nTusdN&algo_pvid=c149758b-57c7-48ee-ba32-b473adfd8163&algo_exp_id=c149758b-57c7-48ee-ba32-b473adfd8163-3&pdp_ext_f=%7B%22sku_id%22%3A%2212000015874569071%22%7D&pdp_npi=3%40dis%21GBP%219.12%218.75%21%21%21%21%21%40211bf49716770671556862664d06d4%2112000015874569071%21sea%21UK%212014225621&curPageLogUid=BwK8sb6bJ9Ii|New LCD Display For 10.1" inch Tablet Teclast P20HD TLA007 Touch screen Touch panel Digitizer Glass Sensor For Teclast P20 HD|new_window=true]
As always with aliexpress, be sure to look at ratings and reviews in detail before you order anything!
Hope this helps.