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The FlapLock™ letterbox security is a lockable internal letterflap that is fitted to the internal side of front doors helping to reduce the risk of arson, fishing of items via the letterflap and bumping of locks to gain access to the property. The item features adjustable catches that allow for users to set the FlapLock™ to either locked (typically through the night) or unlocked (when expecting mail – e.g. in the morning).The FlapLock™ is fitted to the rear of the door with the use of a pair of industrial strength adhesive pads that firmly fix the item to door. Additional security fixings are also supplied with the product to increase the resistance of the item further.

Please note: Both versions of the FlapLock™ will not prevent arson where an accelerant is used.

made in britain
Flaplock Letterbox Security, Letterbox Blocker

FlapLock FL01

£54.49 incl. VAT

In stock
The FlapLock™ FL01 lockable letterbox flap is a simple to fit, neat and affordable item which helps to prevent the postage of junk mail, unauthorised access and attempts to start…
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Who uses the FlapLock Letterbox Security?

Developed in conjunction with the Cleveland Arson Task Force team, the FlapLock™ is used by both commercial and domestic clients. The item is popular with Fire & Rescue, Police Forces and Housing Associations, as well as Domestic Homeowners looking to secure their property. Throughout many organisations, the FlapLock™ is widely used with both security and fire reviews undertaken – helping to improve the security of properties.

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Security Letterbox Flaplock FL01

FlapLock FL01 Letterbox Security

The FlapLock™ FL01 letterbox security lock is a best-selling solution. It is easy to fit, inconspicuous, and offers excellent value for money. This product provides peace of mind when locked.

Designed to prevent various door letterbox issues, the FlapLock™ FL01 addresses problems such as arson, mail theft, and burglary. These issues are common across the UK daily.

The FL01 model attaches easily to the property door. Use a pair of industrial-strength adhesive pads to firmly fix the FlapLock™ in place. Additionally, it comes with extra security fixings for added protection.

Request a Flaplock Sample from The Safety Letterbox Company

Request a Free FlapLock Sample

Despite the popularity of the FlapLock™ and wide use throughout the UK, we still read of cases in the news whereby the FlapLock™ could have made a difference and potentially prevented those incidents occurring that are particularly common throughout the winter months.

The Safety Letterbox Company provide free of charge samples of the FlapLock™ FL01 letterbox security lock to commercial customers such as Fire & Rescue Services, Police Forces and Councils.

Flaplock FL05 from The Safety Letterbox Company

FlapLock FL05 Letterbox Security

The FlapLock™ FL05 letterbox lock offers a long-term solution to common issues with classic letterboxes on property doors. It comes with four coach bolts that securely fasten the lock, eliminating leverage and preventing removal.

The FL05 is favoured by commercial clients needing a durable solution for vacant properties. It remains effective even if the property is unused for a period. This heavy-duty FlapLock™ is versatile and helps protect homes across Britain.

Frequently Asked Questions

What is a letterbox blanking plate?

A letterbox blanking plate blocks access through the letter aperture in your external property door. This helps prevent security issues such as arson, vandalism, anti-social behavior, and theft.

Letterboxes are vulnerable points in your home. By using a letterbox blanking plate, you address this issue and increase your home’s security.

Why would I use the FlapLock™ as a letterbox blanking plate?
Yes. The FlapLock™ can be used as a letterbox blanking plate by engaging the security catches which blank off the door, but the catches can be left opened if you are expecting a mail delivery.

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No-obligation FREE consultation

We welcome the chance to discuss your project and we can share all that is current in terms of standards and product options totally free of charge.

Simply complete and submit the form and we will get back in touch WITHIN 24 HOURS to talk through your requirements.

We also provide Autocad drawings as required – it’s all part of the service!

Or drop us a quick email: [email protected]

Please enable JavaScript in your browser to complete this form.
safety letterbox mailbox Grid Icon

No-obligation FREE consultation

We welcome the chance to discuss your project and we can share all that is current in terms of standards and product options totally free of charge.

Simply complete and submit the form and we will get back in touch WITHIN 24 HOURS to talk through your requirements.

We also provide Autocad drawings as required – it’s all part of the service!

Or drop us a quick email: [email protected]

Please enable JavaScript in your browser to complete this form.