Change or rekey · Aurora
Lock Replacement & Upgrade
Every morning the front door key needs the same little dance: push in, lift, wiggle, turn.
In plain words
When people say upgrade they usually mean a heavier lock, and there is a real scale behind that word. Builders hardware in North America is graded to ANSI/BHMA standards, with Grade 1 the highest and Grade 3 the lightest, and residential products carry a separate label scoring security, durability and finish. A higher grade certifies stronger performance on the standard's own tests, and moving up often brings a longer hardened bolt, a sturdier housing, pins that resist picking and a strike built to anchor into the framing, though the exact features depend on the model. The locksmith explains which grade fits which door.
How the visit goesThe lever on the side door droops toward the floor and rattles in your hand. The latch no longer springs back on its own, so the door drifts open behind you unless you pull it shut and check it twice.
Lock Replacement & Upgrade
How the visit goes
Measuring the existing preparation
Before any product is chosen the door is measured. Backset first, the distance from the door edge to the centre of the bore, which on most doors here is 60 or 70 millimetres. Then the cross-bore diameter, the edge-bore size, the shape of the latch faceplate, the door thickness and the handing. The strike cut-out and any glass, trim or storm door that limits where hardware can sit are noted too. These few numbers decide which locks will drop straight into the door and which would need a filler plate, an extension kit or fresh drilling, so they are written down before the catalogue is opened.
Stepping up the grade of a deadbolt
When the brief is a stronger door, the new deadbolt is chosen for what is inside it: a bolt with a full 25 millimetre throw and a hardened steel insert that spins against a saw, a housing that stands low so a wrench has nothing to grip, and a cylinder with pins that resist picking and bumping. Fitting follows the normal steps, but the locksmith confirms the bolt reaches full extension with the door closed, because a high-grade bolt seated halfway into a shallow pocket behaves like a low-grade one. The strike is upgraded alongside it so both halves of the lock share the same standard.
An opening that is stronger, not just newer
Where the strike was reinforced, the improvement is mostly invisible and worth understanding. Long screws now tie the strike through the jamb into the framing, the pocket has been cut to take the whole bolt, and any split wood has been repaired. Together these make the frame the equal of the deadbolt, which is the part most break-ins defeat. The locksmith points out what changed so you can check it yourself: a bolt that seats fully with the door closed and a strike that stays put under a firm push. A twice-yearly look at those screws keeps it that way.
Lock Replacement & Upgrade
In the van
Knob or lever entry set
Filler plates and thick-door extension kits
Reinforced strike plate and strike box
Manufacturer-approved cylinder lubricant
75 millimetre strike and hinge screws
Lock Replacement & Upgrade
What affects the quote
Authorization needed from a property manager or landlord
A rental or condominium unit sometimes needs sign-off from a property manager or landlord before a lock is changed, and new keys may need to reach more than one party afterward. Confirming who is authorized and who receives keys is worked out before the new hardware goes in.
Finish and style
Standard satin nickel or brass is one line; specialty finishes, matched suites across several doors and designer handlesets are others. The finish you choose for exposure and looks is priced as the maker prices it.
Keys cut
Each key is counted, and restricted keys cut against a card are a different item from standard blanks. Say how many people need one and the quote lists them.
What to have ready
- Are you interested in a keypad or smart lock on any door?
- Which doors are you thinking about, and what is on each one now?
- Which finish should the new hardware match?
Lock Replacement & Upgrade: questions
QuestionsMy deadbolt only locks if I push the door. Will a new lock cure that?
The push is a sign the bolt and the strike pocket are out of line, which is a door and frame matter more than a lock fault. A new deadbolt is welcome if the old one is worn, but the visit also adjusts the strike, deepens the pocket or tightens hinges so the bolt throws freely with the door simply closed. Done together, the door locks with a fingertip and the new hardware works as designed.
Do I have to prove I own the home before you change a lock?
The locksmith will ask, and it is a sign of a careful trade. Photo identification with the address, a deed or property tax notice, or a mortgage or insurance document is plenty for an owner. Tenants show a lease and the landlord's consent; landlords show ownership and confirm the tenant will receive keys. It is a short step that protects everyone with a right to that door.
What information helps before the visit?
Photographs of each lock from outside and inside, plus one of the door edge showing the latch plate and one of the strike on the frame, tell the locksmith most of what they need. Add the door thickness if you can measure it, whether the door is wood, steel or fibreglass, the finish you want to match, how many doors are involved and whether you want them all on one key.
Related services
- Deadbolt InstallationThe door from the garage into the kitchen closes on a passage knob with no lock at all.
- Vintage Mortise Lock ServiceThe old skeleton key still fits the keyhole, but it now needs a jiggle, a lean on the door and a little luck before the bolt moves.
- Smart Lock InstallationYou have just taken possession of the house and the previous owners handed over a keypad deadbolt with a code nobody wrote down and an app account you cannot get into.