You might even want to take the old knob with you for comparison.
Start by removing the two screws that hold the knob in place on one side of the door.
For some knobs, you’ll need to remove screws from the other side as well.
Credit:BHG / Michela Buttignol
Both knobs should come off along with the plate that covers the hole in the door.
Step 2: Pull Out the Latch
If the latch stays in, slide it out.
Some latches will slide out the edge of the door with just a little bit of persuasion.
With most, you’ll have to remove the two screws that attach to the edge of the door.
Doorknobs are not reversible.
Step 6: Insert the New Latch
Slide the latch into the edge of the door.
If it has a rectangular plate, you’ll need to attach it with the twoprovided screws.
Insert that half into the door first, placing the square peg through the latch mechanism.
To enlarge the mortise, first define its outer edges with a box cutter.
Then position the chisel to remove the excess material.
Final Results
You now have a new doorknob.
Your front doorknob, for instance, helps make a good first impression.
Inside the house, potential buyers may think that an outdated doorknob is indicative of bigger problems.
Your front doorknob should have a comfortable grip and be durable enough to withstand everyday handling and any weather.
Replacing Door Knobs Can Make Your House More Appealing to Buyers.
How to Choose the Right Front Door Knob for Your Home.Woodsmith.