Posting your address on a public internet forum is a bad idea, and also against forum rules - please edit that out unless the site admins beat you to it.
Do all EE phones have the same issue in this location? Is this problem purely indoors, or outdoors too? WiFi-calling should help indoors if so.
Does the coverage broadly match that of the prediction on https://ee.co.uk/help/mobile-coverage-checker ?
