Security Alarm Padlock
Security Alarm Padlock
4 - 5 Weeks

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Please only contact us to chase delivery if you are nearing the end of your lead time and a delivery date has not been confirmed. More delivery details here.

Security Alarm Padlock

Product code:

The perfect guardian for your possessions

  • The perfect deterrent lock for any shed or workshop
  • When tampered with the alarm will sound and keep going with every movement and vibration
  • Key slot is discreetly placed underneath the lock
  • Comes with spare keys
Size & Specification
  • 3. Optional Extras
  • Accessories
  • x

    1'8 (500mm) Bull Security StrongHold Underfloor Shed Locking Kit -


    Designed to create robust anchor points for securing all your valuable shed contents, such as mowers, chainsaws and bikes, the 1'8 (500mm) Bull Security Stronghold Underfloor Locking Kit will deter thieves and give you peace of mind.

    The kit is best fitted during installation of your wooden shed floor. Simply place the 500mm box section under the floor. Then, from above and through the floor, secure the eyelets to the steel box below. Once fully inserted, the eyelets are not removable, each creating a robust anchor point. Then wrap a chain or thick wire cable (not supplied) through the eyelets and around your valuable items. Secure this with a padlock (not supplied) and your shed contents will be safe and sound.

    The heavy-duty 12mm eyelets and galvanised steel bar with powder coating are maintenance free.

    This shed security kit comes with full instructions. Please note - our installation services do not include fitting of this security kit.

    This underfloor shed security kit is available in four different lengths.

    Free delivery is available to most UK addresses.

    • Offers exceptional shed security for your valuable equipment and bikes
    • Acts as a secure anchor point within your garden building
    • Rigid steel bar with coated protection
    • Two heavy-duty eyelets (ready for your cable/chain and padlock - not supplied)
    • Instructions included
    • Free delivery within 2 weeks to most UK addresses
    • Please note - installation of this security kit is best carried out at the time of fitting the shed floor. Our installation services do not include this kit.
In stock
  • Accessories
  • Specification
  • Description
  • Trustpilot Reviews
  • Delivery


Brand Forest Garden


If you own a shed which contains valuable equipment, this security alarm padlock will give you peace of mind.

If tampered with, this lock emits a loud alarm. This will deter any potential theives and alert you to any attempt to access your shed.

The lock is strong and features a key slot underneath. Three keys are provided. 

This security padlock sounds powerfully for 10 seconds approximately and continues if movement or vibration is repeated.

  • The perfect deterrent lock for any shed or workshop
  • When tampered with the alarm will sound and keep going with every movement and vibration
  • Key slot is discreetly placed underneath the lock
  • Comes with 2 spare keys

Trustpilot Reviews


Forest Garden Delivery

Forest Garden Delivery 

We offer FREE Delivery to the majority of mainland postcodes. For all fencing and decking orders, we offer FREE delivery for all orders over £200 (£24.99 for orders under £200).

To check you qualify for Pick a Day delivery please use our postcode checker above or within checkout to check delivery is available to your area.

Pick a Day delivery is not available for CA, CO, DH, DL, DT, EX, IP, NE, NR, PL, SR, TD, TQ, TR, TS and Scottish postcodes, instead delivery will be 4 - 5 Weeks from the date of the order. A delivery surcharge of £49.99 is applicable to the following Scottish postcodes: AB, DD, DG, EH, FK, G, IV, KW, KA, KY, ML, PA, PH and TD.

Please Note - delivery is NOT available to the following locations: Channel Islands, Northern Ireland, Isle of Wight, Isle of Man, Isles of Scilly, Scottish Islands.

The Delivery Process

If you haven't already selected your delivery day in checkout, our delivery team will contact you to arrange a convenient delivery date. If you provide us with a mobile number, we can confirm the day before delivery if your delivery will be morning or afternoon.

Our drivers can leave your delivery in a safe place, please indicate this when selecting your delivery. It is important that the drivers have suitable access and no restrictions. We would not risk damaging your property whilst delivering a product to an un-safe location. Unfortunately, we will not be able to go through your property.

Other than our fence panels (which are delivered fully constructed), all of our products are delivered flat packed, direct to your home and are supplied with a set of instructions to support assembly.