Spare Key

Spare Key: Useful Solutions To Keys Delivered Instantly

We test each copy on the spot, decode worn originals to restore proper fitting, and cut your spare keys through our key cutting services so you get replacement keys that work cleanly in every lock. You avoid stress, wasted time, and needless lockout problems. We guide you on key control cards, handle cylinders, mortice, mailbox, and advanced keys, and we clone chip key transponders when your vehicle or office furniture requires a new key type. You may keep extra parts with someone you trust, in a secure lockbox, or in a wallet sleeve. Next, we will show you how we cut, polish, and check each key for smooth, reliable use so you can save time and maintain strong security.

A Spare Key Made with Precise, Code-Based Accuracy

With the blueprint in hand, we code your extra keys to create factory-correct copies without needing the original key. We replicate the exact biting and depths by reading your key code data and entering it into calibrated key-cutting equipment. You receive a clean, accurate fit that helps prevent premature lock wear and keeps the key turning smoothly, whether you need replacement keys for your vehicle, business, or home.

To confirm alignment and consistent movement, we test your replica in a matching cylinder after using digital gauges to verify tolerances. If your code is faded or incomplete, we decode it through a functional key tag, a lock stamp, or supporting documentation to identify the right key type and maintain accuracy.

We protect your code so future duplicate keys follow the same standard. By removing guesswork and avoiding worn-key copying, code-cutting gives you dependable performance and a spare key that stays ready when you need it, helping you save time and avoid delays.

Preparing Backup Keys to Prevent Late-Night Lock-outs

We recommend taking simple precautions that lower your chances of facing a late-night lockout and help you save time when you need quick access.

One of the most effective backup options is an extra key, which we can produce for you through our key-cutting services, test in each lock, and help you store in a safe but convenient place so you maintain strong security.

You may give a sealed spare key with a clear label to a close friend or neighbor. Another useful choice is a discreet key safe with a weatherproof cover and a changeable code that keeps your access controlled.

Additionally, some clients keep spare car keys or duplicate keys separate from their main set in a work bag or car pocket to avoid delays when a key is lost.

We suggest saving any relevant codes and our contact details on your phone and checking the location of your spare parts every few months, especially if access needs change or people move.

Everyday Situations Where Extra Keys Make Life Easier

We have seen over the years how a simple extra key can help you avoid stress, delays, and unnecessary callouts. Many of our clients keep a copy in the right place, which allows them to prevent serious problems.

Based on our experience, the following everyday situations often show where extra keys make a real difference:

How Locksmiths Produce and Test A Spare Key With Precision

We cut and check your spare keys through a strict procedure we use at Top Locksmith, even if the work may look simple to you. To obtain precise biting details, we decode your original key or lock. We then choose the correct blank that matches its thickness, material, and profile. Next, we use calibrated equipment to cut your key: laser mills for advanced security profiles and code cutters or manual duplicators for standard keys. We measure tolerances and test the lock after deburring, checking insertion, rotation, and return. We also micro-file specific peaks if the key binds so we avoid overcutting. Finally, we record the specifications so you can request future copies without trouble.

Process	Our Guarantee
Decoding	Precise biting information
Choosing of Blank	The right material and profile
Cutting	Accurate spacing and depths
Completion of Key Cutting	No burrs and smooth edges
Testing and Modification	Turn clean without binding

List of Services

• Residential Locksmith
• Commercial Locksmith
• Safe Unlocking Service
• Eviction Locksmith
• Master Key System
• Automatic Door Lock
• Deadbolt Lock Repair
• Door Lock Replacement
• Door Handle Lock Repair
• High Security Door Locks
• Electric Door Lock Repair
• Mortise Lock Replacement

• Mailbox Lock Replacement
• Emergency Locksmith Service
• Lock-outs
• Lock Changes
• Lock Repairs
• After Burglary Repairs
• Emergency Door Opening
• Door Replacement
• Boarding Up
• Access Control Systems
• Same Day Locks Change & Repairs
• Locks Installation

• Locks Replacement
• Locks Upgrade to Security Locks
• Opening Locked Doors and Safes
• Smart Locks Installation
• Master Keys
• Home Lockouts
• High Security Locks
• Home Safes
• Deadbolts Installation
• Broken Key Extraction
• Re-Key Locks
• Break-In Repairs

• Residential Locksmith
• Commercial Locksmith
• Safe Unlocking Service
• Eviction Locksmith
• Master Key System
• Automatic Door Lock
• Deadbolt Lock Repair
• Door Lock Replacement
• Door Handle Lock Repair
• High door Locks
• Electric Door Lock Repair
• Mortise Lock Replacement
• Mailbox Lock Replacement
• Emergency Locksmith Service
• Lock-outs
• Lock Changes
• Lock Repairs
• After Burglary Repairs

• Emergency Door Opening
• Door Replacement
• Boarding Up
• Access Control Systems
• Same Day Locks Change & Repairs
• Locks Installation
• Locks Replacement
• Locks Upgrade to Security Locks
• Opening Locked Doors and Safes
• Smart Locks Installation
• Master Keys
• Home Lockouts
• High Security Locks
• Home Safes
• Deadbolts Installation
• Broken Key Extraction
• Re-Key Locks
• Break-In Repairs

24 HOUR Emergency Locksmith in LONDON

(020) 4538 1194

Smart Magnetic Lockbox Placement for Extra Keys

Our professionals from Top Locksmith consider where to store your spare key even before we cut one, and when used correctly, a magnetic lockbox under your car can be a low-cost and discreet option.

We help you choose a box with a low-profile shell, weather sealing, and strong magnets. Placement matters: attach it to a clean, painted steel surface that is away from heat, exhaust fumes, or moving parts.

We avoid visible spots such as the front subframe and the exhaust area.

We also suggest avoiding personal information and using a dummy label. To confirm that the box stays secure, you should test retention by driving over bumps and pulling on it firmly.

Switch locations occasionally and check the gasket for debris. If you drive off-road or live in a snowy area, choose a stronger model for added security.

The Appropriate Method for Making Key Duplicates Without Breaking Your Locks

We help you choose the best method for duplicating your spare key before you store it. As locksmiths, we offer a wide range of key types and ensure every spare we cut reduces unnecessary wear on your locks.

We select the correct blank, read your key’s pattern, and cut an accurate replica for home, office, and mailbox keys. This prevents miscuts, poor lock fit, and future lock replacement. If you are unsure, bring your key to us and we will match its profile and stamp it on the right blank so you receive a dependable spare right away.

Type of Key	Important Notes
House (normal)	Simple duplication process
House (high-security)	Extra steps may be required
Office (specialized)	May need a code or card
Office (normal)	Clean and accurate cutting
Mailbox (normal)	Often managed by building personnel

Common Mistakes To Avoid When Creating Key Duplicates

We slow down before transferring a key to prevent simple mistakes that cause jams, miscuts, or security weaknesses. We walk you through a quick check because we have seen how small errors can turn into major problems. Verify any access rules, bring the original key, and confirm the lock type. Instead of relying on guessing, we match blanks accurately and ensure the cut meets the correct fitment standards.

Together, we protect your locks and prevent unnecessary do-overs to ensure our highest standard of efficiency.

Master Key System & Laser Cutting Completed With Accuracy

Traditional duplicators trace edges, while laser-cut machines mill a precise groove down the center of the key, producing stronger, more difficult-to-pick sidewinders often used in high-security locks and modern cars with tighter tolerances.

While you wait, we cut them by adjusting the mill for accurate spacing, decoding the bitting, and confirming the correct blank. You receive a key that resists wear, moves smoothly, and maintains performance.

We also handle transponder pairing. We check remote functions, verify immobilizer communication, and, if required, clone or enrol the chip on-site.

If the original key or code is unavailable, we use non-destructive methods to decode the lock. We deburr edges, confirm shoulder and tip stop alignment, and ensure full keyway compatibility.

You will get a key that fits cleanly and works without strain.

Commonly Asked Questions