If the hinges are fine you may need to take the door off and re square it from scratch.
Fix gap on side of door between lock and door.
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If the screws are loose in the casing replace them with larger ones to create a tighter fit.
Place the shims between the hinge leaf and door at the bottom and middle hinges.
Remove the frame screws from the hinge you identified but leave the.
If that doesn t work shim the hinge side.
Frost king corner guards.
This will shift the top half of the door upward.
Door clearance is too tight at the top lock side of the opening.
Open the door and place a wooden block or hardback book under the outer corner of the door to hold it in place while you work.
Starting with the bottom hinge remove the hinge screws on the door first and insert the shim between the hinge leaf and the door.
Open the door and place a support or wooden wedge under the door to relieve tension.
A gap between the bottom of the front door and the threshold is easily fixed with a door sweep.