| size | width(mm) | depth(mm) | height(mm) | max weight | insurance |
|---|---|---|---|---|---|
| AA | 132 | 520 | 123 | 3KG | Free R2 Million Cover |
| a | 240 | 520 | 60 | 6 kg | Free R2 Million Cover |
| b | 240 | 520 | 80 | 12 kg | Free R2 Million Cover |
| c | 240 | 520 | 110 | 15 kg | Free R2 Million Cover |
| d | 240 | 520 | 230 | 18 kg | Free R2 Million Cover |
| e | 250 | 410 | 280 | 18 kg | Free R2 Million Cover |
| f | 250 | 410 | 430 | 25 kg | Free R2 Million Cover |
| g | 240 | 520 | 480 | 36 kg | Free R2 Million Cover |
At Knox Safe Custody, we provide private, fully insured safe deposit boxes from our discreet, purpose-built facility in Houghton, Johannesburg. Designed for jewellery, gold and silver bullion, important documents, family heirlooms, and other irreplaceable assets, each box includes complimentary R2 million insurance underwritten by Lloyd’s of London, with the option to increase your cover if needed. Our climate- and humidity-controlled, fire-proof, underground vault and strict access protocols ensure your valuables remain protected, preserved, and entirely under your control – giving you the certainty that they are shielded from theft, damage, or loss.
Whether you are safeguarding a family legacy, securing business-critical documents, or protecting high-value collections, Knox offers a trusted, long-established storage environment built for privacy, professionalism, and peace of mind. Your safe deposit box remains accessible to you and only you within a controlled, discreet setting, supported by a team that manages every visit with precision and respect. Speak to us to explore the safe deposit box options best suited to your needs – and experience the confidence that comes with knowing your most important possessions are stored the right way.
You’ll need a valid South African ID or passport, proof of residence, and your completed Knox onboarding forms. Our team will guide you through the process step-by-step.
Yes. Every safe deposit box includes complimentary R2 million insurance underwritten by Lloyd’s of London, with the option to increase your cover based on the value of what you store.
You may access your box as often as you need during operating hours.
Yes. You may appoint up to 5 authorised users. This requires formal documentation and in-person verification to protect your security.
Our vault is protected by 24/7 monitoring, multi-layer access control, biometric verification, dual-key protocols, and internationally recognised custodial standards. Client privacy is central to every process.
Absolutely. If your storage needs change, our team will help you move to a larger box.
Yes — Knox offers specialist storage services for bullion, artwork, and firearms in addition to private safe deposit boxes. These services are separate from safe deposit boxes and can be arranged with our team.
Contact our team to confirm availability, choose your box size, and complete the short onboarding process. Once approved and payment has been made, you can begin using your box immediately.
