SLS Reconditioned Safes

British-Engineered Security, Professionally Restored

SLS safes are respected across the UK security industry for their robust engineering, proven bolt-work and consistent certified performance across a broad grade range. Every reconditioned SLS safe retains its original EN 1143-1 security grade, fully refurbished to BS 7582:2021 with new locks and fixing bolts supplied as standard.

Grade 3 – Grade 6

BS 7582:2021 Certified

EN 1143-1 Graded

British Engineered

12 Month Warranty

SLS second-hand safes

Select a Model

SLS Model Specifications

Grade 4 – Grade 5

SLS Treasury

High-Security Cash Safe · EN 1143-1 Certified · BS 7582:2021

The SLS Treasury is a heavy-duty, high-security safe built for environments demanding formidable protection for significant cash and valuables. Constructed with thick steel walls and multi-point bolt work throughout, it provides Grade 4–5 certified protection suited to banks, financial institutions and high-value commercial premises. Fully reconditioned to BS 7582:2021 with original EN grade retained and new locks supplied as standard.

Security Grade

Grade 4 – Grade 5

Standard

EN 1143-1 / BS 7582:2021

Cash Rating

£60,000 – £100,000

Jewellery Rating

£600,000 – £1,000,000

Lock Options

Key · Mechanical · Electronic

Warranty

12 Months

Key Features

  • checkThick steel construction throughout with anti-drill protection
  • checkMulti-point bolt work on multiple sides of the door
  • checkRe-locking devices inspected, re-set and tested
  • checkNew high-quality locks fitted as standard

Available Sizes

Multiple sizes available — enquire for current stock

Grade 3 – Grade 4 · Cash-Optimised

SLS Bankers Treasury

Cash-Optimised Banking Safe · EN 1143-1 Certified · BS 7582:2021

The SLS Bankers Treasury combines the robust protection of the Treasury range with a cash-optimised interior designed specifically for high-volume banking and retail environments. Heavy-duty steel construction, proven multi-point bolt work and reliable re-locking devices provide Grade 3–4 certified protection for overnight and end-of-day cash storage. Fully reconditioned to BS 7582:2021 with original EN grade retained and new locks supplied as standard.

Security Grade

Grade 3 – Grade 4

Standard

EN 1143-1 / BS 7582:2021

Cash Rating

£35,000 – £60,000

Jewellery Rating

£350,000 – £600,000

Lock Options

Key · Electronic

Warranty

12 Months

Key Features

  • checkCash-optimised interior for high-volume handling environments
  • checkHeavy-duty steel construction with proven bolt work
  • checkRe-locking devices inspected, re-set and tested
  • checkNew certified locks and reconditioning certificate included

Available Sizes

Multiple sizes available — enquire for current stock

Grade 4 – Grade 5 · Jewellery

SLS Sapphire

High-Security Safe for Jewellery & High-Value Assets · BS 7582:2021 Certified

Named to reflect the value of what it protects, the SLS Sapphire is a purpose-built high-security safe for jewellery, precious metals and high-value retail environments. With Grade 4–5 protection and jewellery ratings reaching £1,000,000, it satisfies the most demanding insurer requirements for specialist retail and auction environments. Fully reconditioned to BS 7582:2021 with original grade retained, new locks and fixing bolts supplied as standard.

Security Grade

Grade 4 – Grade 5

Standard

EN 1143-1 / BS 7582:2021

Cash Rating

£60,000 – £100,000

Jewellery Rating

£600,000 – £1,000,000

Lock Options

Key · Mechanical · Electronic

Warranty

12 Months

Key Features

  • checkPurpose-built for jewellery and high-value asset storage
  • checkGrade 4–5 rated for the most exacting insurer requirements
  • checkHeavy-duty anti-drill and anti-attack protection throughout
  • checkNew certified locks and reconditioning certificate included

Available Sizes

Multiple sizes available — enquire for current stock

Grade 3 – Grade 5 · EN 1143-1

SLS Continental

European Standard Safe · EN 1143-1 Certified · BS 7582:2021

The SLS Continental was engineered to meet European EN 1143-1 standards across a broad grade range, offering a versatile and well-proportioned safe for businesses requiring certified protection from Grade 3 through Grade 5. A practical choice for commercial retailers, professional services firms and financial environments where a wide range of sizes and locking options are required. Fully reconditioned to BS 7582:2021 with original grade retained and new locks supplied.

Security Grade

Grade 3 – Grade 5

Standard

EN 1143-1 / BS 7582:2021

Cash Rating

£35,000 – £100,000

Jewellery Rating

£350,000 – £1,000,000

Lock Options

Key · Mechanical · Electronic

Warranty

12 Months

Key Features

  • checkBroad Grade 3–5 range across a single model family
  • checkEN 1143-1 certified to current European standards
  • checkWide size range suitable for retail to commercial use
  • checkNew certified locks and reconditioning certificate included

Available Sizes

Multiple sizes available — enquire for current stock

Grade 3 – Grade 4 · Versatile

SLS Universal

High-Security Institutional Safe · EN 1143-1 Certified · BS 7582:2021

True to its name, the SLS Universal is one of the most versatile models in the range — available across a wide span of sizes and suitable for offices, retail, hospitality and light commercial environments. Grade 3–4 certified protection, solid steel construction and reliable bolt work make it a dependable everyday safe for businesses with varied storage requirements. Fully reconditioned to BS 7582:2021 with original grade retained and new locks supplied as standard.

Security Grade

Grade 3 – Grade 4

Standard

EN 1143-1 / BS 7582:2021

Cash Rating

£35,000 – £60,000

Jewellery Rating

£350,000 – £600,000

Best For

Office · Retail · Hospitality

Warranty

12 Months

Key Features

  • checkWide range of sizes suitable for most environments
  • checkSolid steel construction with reliable bolt work
  • checkAnti-drill locking protection as standard
  • checkNew certified locks and reconditioning certificate included

Available Sizes

Multiple sizes available — enquire for current stock

Premier Model · Grade 4 – Grade 5 · High Security

SLS Challenger

SLS’s Premier High Security Safe · EN 1143-1 Grade 4–5 · BS 7582:2021

The SLS Challenger is a premier high-security safe from the SLS range — built for the most demanding commercial and institutional environments requiring exceptional certified protection. Constructed with SLS’s heaviest steel walls and most comprehensive mechanical defences, it provides Grade 4–5 certified protection with cash ratings of £60,000–£100,000 and jewellery ratings of £600,000–£1,000,000. Multiple independent re-locking devices are fitted throughout. Fully reconditioned to BS 7582:2021 with original grade retained and new locks supplied.

Security Grade

Grade 4 – Grade 5

Standard

EN 1143-1 / BS 7582:2021

Cash Rating

£60,000 – £100,000

Jewellery Rating

£600,000 – £1,000,000

lock options

Key · Mechanical · Electronic

Warranty

12 Months

Key Features

  • checkGrade 4–5 — high-level EN 1143-1 certified protection
  • checkMultiple independent re-locking devices throughout
  • checkSLS’s heaviest steel construction in this grade range
  • checkNew high-security locks and reconditioning certificate included

Available Sizes

Multiple sizes available — enquire for current stock

Premier Model · Grade 5 – Grade 6 · Maximum Security

SLS Columbia

SLS’s Premier High Security Safe · EN 1143-1 Grade 5–6 · BS 7582:2021

The SLS Columbia is the flagship model of the SLS range — a maximum security safe built for the most demanding institutional, financial and commercial environments. Constructed with SLS’s heaviest-gauge steel, advanced anti-penetration fill and the most comprehensive defensive measures in the range, it delivers Grade 5–6 protection with cash ratings reaching £150,000 and jewellery ratings of £1,500,000. Multiple independent re-locking and anti-explosive devices are fitted throughout. Fully reconditioned to BS 7582:2021 with original grade retained and new high-security locks supplied.

Security Grade

Grade 5 – Grade 6

Standard

EN 1143-1 / BS 7582:2021

Cash Rating

£100,000 – £150,000

Jewellery Rating

£1,000,000 – £1,500,000

Lock options

Key · Mechanical · Electronic

Warranty

12 Months

Key Features

  • checkGrade 5–6 — among the highest EN 1143-1 certified protection available
  • checkMultiple independent re-locking and anti-explosive devices throughout
  • checkSLS’s heaviest steel construction — vault-grade anti-penetration body
  • checkSLS’s highest specification reconditioned model available

Available Sizes

Multiple sizes available — enquire for current stock

More Available

Looking for a Specific SLS Model?

We stock a wide and regularly changing range of SLS safes

We regularly acquire and recondition SLS safes beyond those listed here — including older variants, floor safes, deposit safes and specialist models originally made for specific commercial or institutional applications. If you have a particular model in mind, or simply know the grade and size you need, get in touch and we will check our current and incoming stock on your behalf.

  • checkTell us the model name, grade, or dimensions you need
  • checkWe will check current stock and any units in reconditioning
  • checkAll units supplied with BS 7582:2021 reconditioning certificate
  • checkWe aim to respond within one working day

Available Sizes

A Size for Every Requirement

different safe sizes transparent background

Reconditioned safes are available across a wide range of physical sizes — from compact under-counter units to large floor-standing vault-grade cabinets. Because we source from multiple brands, our stock at any given time spans the full size spectrum, from safes measuring under 400mm high right up to units exceeding 1,800mm.

Physical size and security grade are independent — a compact safe can carry a high EN 1143-1 grade, while large floor safes may cover a broad range of grades depending on the model. If you have a specific size or installation space requirement, get in touch and we will match you to current stock.

SLS reconditioned safe with electronic lock

Heritage & Quality

Why SLS Safes

SLS safes are respected throughout the UK security industry for their dependable engineering, proven bolt-work and consistent performance across a broad grade range. Originally supplied to banks, retailers, jewellers and commercial businesses, SLS models have built a strong reputation for robust physical construction and reliable protection.

Reconditioned SLS safes retain their original EN 1143-1 certified security grades and are refurbished to BS 7582:2021 — giving buyers access to uncompromising historical engineering at a fraction of the cost of an equivalent new safe.

  • checkRespected across the UK security industry
  • checkOriginal EN 1143-1 security grades retained throughout reconditioning
  • checkReconditioned to British Standard BS 7582:2021
  • checkSignificant cost savings vs new safes of equivalent grade

where they are used

Common Applications

Reconditioned safes from our range serve a wide range of environments — from banks and jewellers to private homes and offices. Find the application that matches your security needs below.

SLS second-hand safes

EN 1143-1 Certified

Security Grades & Insurance Coverage

Reconditioned SLS safes retain their original tested security grades under EN 1143-1 and are refurbished in accordance with BS 7582:2021. The range spans Grade 3 through Grade 6 — covering commercial retail environments right up to institutional vault requirements.

  • checkGrade 3–4: Retail, hospitality and moderate commercial cash-handling
  • checkGrade 4–5: Jewellers, high-value retail and institutional environments
  • checkGrade 5–6: Banks, financial institutions and ultra-high-value applications

Always confirm your insurer’s exact requirements before purchase. Our specialists can advise on the right grade for your specific needs.

Restored to Perform Like New

Our Reconditioning Process

Each SLS safe is:

  • checkFully stripped, sanded, and professionally re-sprayed
  • checkChecked for asbestos in line with safety regulations
  • checkInspected for previous rework and material integrity verified
  • checkHinges examined for wear and adjusted or replaced where required
  • checkBolt-work fully inspected and serviced
  • checkAnti-drill inserts and re-locking devices checked and tested
  • checkNew, high-quality locks fitted
  • checkNew fixing bolts supplied for secure installation
SLS security safes
reconditioned safe for jewellers

A Smarter, More Responsible Choice

Proven Security Without the New Price

Choosing a reconditioned SLS safe means accessing proven, well-engineered British security at a fraction of the cost of a new equivalent — a practical, long-term and environmentally responsible investment that carries the same certified EN 1143-1 protection.

  • checkProven British security engineering at significantly lower cost than new
  • checkRespected across the UK security industry for decades
  • checkImmediate availability from stock — no lead times
  • checkEnvironmentally responsible — reduces manufacturing waste
  • checkGrade 3 to Grade 6 for every security requirement
  • checkCertified refurbishment and 12-month warranty included
  • checkBacked by and now part of Associated Security Solutions

Proven British engineering, professionally restored — certified, warranted, and ready to install.

Enquire About an SLS Safe

Tell us the model, grade, or size you are interested in and we will confirm current availability and pricing. We aim to respond within one working day.

    Required fields are marked *

    Grades & Insurance

    Choosing the right grade depends on the value of items you store, insurer requirements and the type of business you operate. Below is a practical summary to guide a quick decision.

    EN GradeCash RatingValuables
    Grade 3£35,000£350,000
    Grade 4£60,000£600,000
    Grade 5£100,000£1,000,000
    Grade 6£150,000£1,500,000