Letterbox Lock Replacement in Singapore
Lost the key to your HDB or condo letterbox, or the lock is broken? We open it and fit a new lock with new keys — quickly, with proof of residence checked first.
- From S$60
- HDB & condo
- No-expiry warranty
We can help if…
- You lost your letterbox key.
- The lock is jammed, rusty or broken.
- You just moved in and want to make sure no one else has a key.
- Someone tampered with your letterbox lock.
How it works
- WhatsApp 9224 9224 with your block and unit, and a photo of the letterbox.
- We confirm the price and arrange a time — letterboxes don't need a midnight call-out, so we'll come at a time that suits you.
- We check your proof of residence, open the letterbox and fit a new lock with new keys.
Why we check ID: A letterbox holds bank letters and IDs. For your security, we always check proof of residence or ownership before opening anything — for example NRIC with your address, a tenancy agreement or utility bill, or the car's log card.
Price
Letterbox lock replacement starts from S$60, including a new lock and keys. Every lock replacement and installation comes with our warranty — with no expiry date. See all prices.
Need your main door or gate lock changed too? See lock replacement.
Frequently Asked Questions
I lost my HDB letterbox key. What should I do?
WhatsApp us your block and a photo of the letterbox. We'll open it and fit a new lock with new keys after checking your proof of residence.
Do you make duplicate letterbox keys?
No, we don't do key duplication or key cutting. We replace the lock and give you a new set of keys.
How much does letterbox lock replacement cost?
From S$60, including the new lock and keys.
Need a Locksmith Right Now?
Call or WhatsApp Uncle Thomas — 24/7, islandwide. We set off as soon as you call.
Other locksmith services
One call covers it all — 24/7, islandwide.
Emergency lockout
Locked out of your HDB, condo, house or office? We get you back in — damage-free wherever possible.
Learn more →Digital & smart lock opening
Flat battery, forgotten PIN or faulty keypad? We open all digital lock and smart lock brands, 24/7.
Learn more →Digital & smart lock installation
Neat, correct digital and smart lock installation for HDB doors, gates, condos and offices, with a no-expiry warranty.
Learn more →Safe opening
Forgotten combination or faulty safe? Opened by a US-trained safesmith who has worked on ships and across Asia.
Learn more →Car locksmith & key fobs
Keys locked in the car, or need a spare key fob? Car unlocking and key fob cloning for all major brands, 24/7.
Learn more →Lock replacement
Main door, gate, room and toilet door locks replaced with quality hardware — warranty with no expiry.
Learn more →