Yes. For most homes, swapping out a standard interior lever or knob—and many exterior handles—can be done by a handy homeowner with common tools. The job is straightforward for typical door hardware, but more complex setups like mortise locks, multi-point systems, or nonstandard doors may require professional help.
Understanding what you’re swapping
Before buying replacements, identify the type of door and lock you’re dealing with. Levers and knobs come in different styles, and hardware is sized to fit specific backsets, bore holes, and door thickness. Exterior doors may require additional security features like reinforced strike plates and longer mounting screws.
- Lever handles: operate with a lever that lifts or depresses a latch; often easier for those with limited hand strength.
- Knob handles: traditional rounded or faceted handles; can be harder to operate for some users but common on many interior doors.
- Handle sets: include a handle for the exterior and a matching interior piece; typically used on front and back exterior doors.
- Privacy versus passage versus keyed entry: interior doors may not lock (passage), lock from inside (privacy), or require a key from outside (keyed entry) for exterior doors.
- Backset and bore size: most residential doors use a 2-3/8" or 2-3/4" backset and a 2-1/8" bore; confirm these measurements on your current hardware and new hardware.
Understanding these types helps you pick compatible hardware and anticipate installation steps. If you’re replacing a nonstandard or high-security system, the process may differ and could require professional installation.
Tools and preparation
Collecting the right tools and preparing the door will speed up the replacement and reduce the risk of damaging the door or frame.
- Phillips and flathead screwdrivers in multiple sizes
- Allen/Hex keys (may be needed for some lever handles)
- Tape measure and pencil for alignment checks
- Chisel and hammer or small mallet (only if you need to widen a bore or reposition a strike plate)
- Drill with appropriate bits (if enlarging bore holes or installing longer screws)
- New hardware kit with mounting screws (check package for backset, bore size, and door thickness suitability)
- 3-inch wood screws for reinforcement on exterior doors (recommended for security)
- Safety gear: safety glasses and a dust mask if you’re drilling near the edge
Having these tools on hand helps prevent mid-project trips to the hardware store and reduces the chance of scrapes or misalignment during installation.
Steps to replace a standard lever or knob door handle
Use these steps for most residential interior doors or exterior doors with standard cylindrical latches. If you encounter a mortise or multi-point lock, adjust accordingly or consult the manufacturer’s instructions.
- Remove the existing hardware by locating and undoing the screws on the interior plate. Keep screws handy for reassembly.
- Detach the interior and exterior halves of the handle or knob, then remove the spindle (the square rod that connects the two sides).
- Inspect the latch and bore holes. Measure backset and bore size to ensure the replacement hardware will fit without modification.
- Install the new latch into the door edge, making sure the faceplate sits flush with the edge and the latch projects correctly when the door is closed.
- Attach the interior component first, threading the spindle through the latch. Align the exterior component and secure with screws, ensuring smooth operation without binding.
- Test the mechanism several times to confirm the latch engages with the strike plate smoothly. If needed, loosen screws slightly to adjust alignment.
- If installing an exterior handle, swap in the strike plate on the door frame and use longer screws (3-inch) to anchor into the jamb for added security.
- Finish by tightening all screws and rechecking door alignment; then test with the door closed and opened multiple times.
Following these steps for a standard door typically yields a secure, functional replacement with a clean finish. If the new hardware doesn’t fit, double-check backset and bore measurements and consider returning the kit or choosing a different model.
Special cases and key considerations
Some doors present extra challenges or require different approaches. These are common scenarios you might encounter.
- Mortise locks: stored in a pocket within the door edge; replacing these is more involved and may require professional installation or a full door hardware rebuild.
- Multi-point locking systems: locks that engage at multiple points along the door edge; replacements may require specialized hardware and precise alignment.
- Exterior doors with deadbolts: ensure compatibility with both the knob/lever and the deadbolt; you may need to reinforce with longer screws and a reinforced strike plate.
- Nonstandard doors or unusual thickness: some doors aren’t compatible with off-the-shelf hardware; you may need a third-party solution or custom adjustments.
- Smart locks or electronic hardware: these often require pairing with a smartphone app and may require power considerations (batteries) or wiring knowledge.
In these cases, consult the manufacturer’s installation guide or a professional to avoid compromising security or door integrity.
Safety tips and when to hire a pro
DIY replacements are typically safe for most standard doors, but certain situations warrant professional help. If you’re unsure about any step, or you’re replacing exterior hardware on a high-security or historic door, it’s wise to hire a licensed locksmith or contractor. Renters should also check with their landlord or property manager before making changes.
Key safety reminders: work slowly to avoid splintering the door, use proper screws for reinforcement, and avoid forcing hardware into misaligned holes. Take accurate measurements before purchasing to minimize return trips and ensure a snug, secure fit.
Summary
Replacing a door handle is a common DIY task that most homeowners can complete with the right tools and careful measurement. Start by identifying the type of hardware, gather the necessary tools, and follow a clear step-by-step process to remove the old hardware and install the new one. Pay attention to backset, bore size, door thickness, and strike plate alignment, especially on exterior doors. For mortise or multi-point systems, or any security-focused installation, consider consulting a professional to ensure proper fit and safety. With preparation and patience, you can refresh a door’s function and appearance without major renovations.
Why put a rubber band on a doorknob when you're alone?
And open the door this cheap and easy trick can be extra helpful for people who live in places with a lot of trespassing. Or for those who travel a lot and want to make sure their home is secure.
How much does a handyman charge to replace a door handle?
Replacing existing hardware on most doors will range from $75-$150. Prepping a new door for hardware takes more time and skill than a replacement project and could cost between $200-$400. When should I replace my door hardware?
Can I replace a door handle with any door handle?
In many cases, yes — you can just replace door handles. But whether it's that simple depends on what kind of door you have, what's already fitted inside it, and whether you're swapping like-for-like or changing style.
Is it easy to change door handles yourself?
Changing door handles is easy, and attaching a new one is just as simple. Guide your handles or knobs and the corresponding cover plate over the spindle, making sure they align on either side of your door. Some door handles have inner plates, too. If so, screw these into place before your covers.