Door Lock Replacement Cost in Delhi NCR (2026)

Lock and door hardware rates — Delhi NCR, 2026

These are labour. The lock itself is bought separately, and on a main door the lock usually costs considerably more than the fitting.

Indicative Delhi NCR market ranges, 2026. Each professional sets their own charge and quotes you free before starting. Parts are normally billed on top of labour.

Is it actually the lock?

Two minutes of checking saves you buying the wrong fix.

• Open the door and turn the key. Smooth with the door open but stiff when closed means alignment, not the lock. The latch is not meeting the strike plate cleanly.
• Look for a shiny worn mark on the strike plate or the frame. That is the latch rubbing, and it tells you exactly where the misalignment is.
• Check the hinge screws. A loose top hinge lets the door sag, and a sagging door throws off every lock on it. Tightening it is a two-minute job that solves a surprising number of “lock problems”.
• Consider the season. A door that only binds during the monsoon has swollen with humidity and will free up by winter. Our door and lock care tips explain why you should not plane it now.
• If the key itself is stiff in the cylinder, with the door open, then it genuinely is the lock — try a dry graphite lubricant before replacing. Never oil a lock cylinder; in Delhi dust it turns to paste.

Moving in: change the locks

The one piece of advice on this page that is not about cost. When you take a new flat in Delhi, you have no idea how many keys exist to it — previous tenants, their families, a broker, a maid, a contractor, the landlord's spare that was lent to someone in 2019.

• Change the main door lock in the first week. It is a small cost against the thing it addresses.
• Discuss it with your landlord first. Most agree readily. Many rental agreements expect the landlord to hold a spare, so agree that and hand one over — doing it without a conversation is where disputes start.
• Keep the old lock. You may need to refit it when you leave, and it is the landlord's property.
• Check what else opens. The balcony door, the servant entrance, the terrace door, the grille gate. People change the front door and forget the others.
• Keep a spare key outside the flat it opens. With a neighbour or family member, not under the mat.

Our moving-in tips cover the rest of the first week, and the tenant and landlord guide covers who pays for what.

Choosing a lock, and what to do if you are locked out

• Take the old lock to the shop, or photograph it with a tape measure. Locks come in specific sizes — backset, spindle, cylinder length — and a mortise lock that does not match the existing cut-out means enlarging the mortise in the door. Match the size and the fitting is straightforward.
• Main door and internal doors are different purchases. A bedroom privacy latch and a main-door lock are not the same category and should not be bought at the same price point.
• Buy the lock yourself. You choose the brand and grade, and the warranty is in your name. Then ask for a labour-only quote.
• Digital and smart locks are a different fitting job, usually take longer, and need a plan for what happens when the battery dies. Ask specifically whether the carpenter has fitted that model before.
• If you are locked out, call a locksmith or your landlord — and expect to be asked to prove you live there, which is exactly as it should be. Do not attempt to force a door or window; the damage costs far more than the call-out, and a forced frame is a security problem afterwards. Keep a spare with someone nearby so this stays hypothetical.

For the full rate card see our carpenter charges guide, and the sticking door guide for alignment problems in detail.