Changing all the locks in your home is not something most people do often, but when it happens, it is about peace of mind. You may have just moved into a new property, lost a key, or want to improve overall security. Whatever the reason, replacing every lock in a home is an investment in safety. Naturally, the first question that comes up is the cost involved.

Understanding the real cost

The price to change all locks depends on several factors: how many doors you have, the type of locks you choose, and whether you need a professional installation. For most homes, expect anywhere between €40 and €150 per lock, including labour and standard hardware.

For higher-security or smart locks, the cost can rise, but so does the protection. A certified locksmith will always discuss options with you before starting, so you can balance safety and budget. At Locksmith Delft, we provide clear upfront quotes and explain the differences between basic cylinders, anti-snap locks, and digital systems, so you can make an informed choice.

It’s also worth noting that replacing all locks at once is often cheaper than doing them one by one. Our locksmiths can rekey or replace your entire set during one visit, saving time and call-out fees.

When should you replace all locks?

There are situations where replacing every lock is not just a smart choice, but a necessary one. Moving into a new home, losing keys, or noticing visible wear on your locks are the most common reasons. You can never be certain who may still have a copy of an old key, especially in rental or resale properties. A full lock replacement ensures that every entry point is properly secured and that only you have access.

If you’re unsure whether replacement is needed or if a rekeying service would suffice, our experts can advise. Sometimes a simple cylinder swap does the trick. But if your locks are outdated, upgrading to modern security standards is worth it. Especially for homeowners in busy urban areas like Amsterdam. Our emergency locksmiths in Amsterdam are available 24/7 for urgent lock changes.

Professional installation matters

Lock replacement isn’t just about fitting a new part. It’s about ensuring alignment, smooth operation, and security compliance. A certified locksmith guarantees the work is done right, without damaging your door or frame.

At Locksmith Delft, we handle everything from assessment to installation and testing. Every lock is fitted securely, keys are handed over in person, and your old cylinders are safely disposed of. No surprises, no hidden costs, just reliable, insured service that leaves you feeling safe again.

Ready to upgrade your home’s locks? Reach out to our team for a quote via our contact page.

FAQ About Changing all locks in your home

How much does it cost to change all locks in a house?

Most homeowners spend between €200 and €600 for a full replacement, depending on the number and type of locks.

Can I change locks myself?

Technically yes, but improper fitting can weaken security or void insurance. A certified locksmith ensures everything is installed correctly and smoothly.

Do you offer same-day service?

Yes. We provide same-day lock replacement, and our emergency locksmiths are available day and night for urgent cases.

Can I just rekey instead of replacing locks?

Often yes. Rekeying keeps your existing hardware but changes the key pattern. It’s faster and more affordable if your locks are still in good condition.