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BLOCKABOX is an anti arson letterbox blocker that's innovative, low cost and re-useable temporary anti arson letterbox security solution that is used for a variety of applications by UK Fire and Rescue Services, Police Forces and Local Authority Housing Teams.

BLOCKABOX is a temporary letterbox blocking  plate which can easily be fitted in around three minutes without the need for specialist equipment or tools. The innovative design avoids permanent damage to both the door, it's mechanism and attached furniture.

BLOCKABOX is designed to stop residential and commercial properties being targeted by arson attacks, anti-social behaviour and nuisance or unsolicited mail in void properties.

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Anti Arson Letterbox Blocker

Installation Video

Watch our short installation demonstration video

Installation Instructions

Click below to download a copy of our install guide

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BLOCKABOX Pack Contains:

  • 2x Blanking Plates ( 320mm x 75mm ) with fire retardant foam seal

  • 1x Sizing guide

  • 10x 6mm Bolts - Ranging from 25mm - 80mm

  • 2x 6mm Flush Mount Securing Nuts

  • 1x 4mm Allen Key

  • Protects property from vandalism and letterbox arson attack

  • Ideal for use on unoccupied properties

  • Designed to fit the majority of door types and letter plate openings

  • No specialist tools or fixings required for installation

  • Re-usable so can be used again and again

  • 2 year manufacturer's warranty

Demonstration Video

Watch our short fire demonstration video

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Our Story

BLOCKABOX has been designed and is produced in the United Kingdom by Andrew Pickersgill, a retired Fire Service manager who developed the product based on evidence and experiences gathered throughout a 30 year career of front line operational firefighting working for Nottinghamshire Fire & Rescue Service.

"I developed the product to reduce the risk to the public from anti-social behaviour and arson attacks which sadly are on the increase in the United Kingdom. I have witnessed first hand the devastation and damage these types of incidents cause and I felt compelled to develop a product that would help address this issue."

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Applications For Use

BLOCKABOX is a premium anti arson letterbox blocker and was originally designed and developed to prevent and reduce arson related incidents but over time it's use has grown, seeing police forces, local council authorities and private landlords using the product to reduce crime and anti-social behaviour and to protect void or empty properties.



BLOCKABOX anti arson letterbox is currently being used by a number of United Kingdom Fire & Rescue Services and is being utilised on a regular basis to provide an anti arson solution for letterboxes preventing threats to vulnerable individuals and families.


Due to it's compact design, BLOCKABOX is easily carried on front line fire appliances and carried by arson reduction teams to support fire & rescue service prevention activity.



BLOCKABOX anti arson letterbox blocker is currently being used by members of the public, community protection and crime prevention officers to support vulnerable residents or properties that are susceptible to anti-social behaviour or crime.  BLOCKABOX is the perfect solution to protect a vacant property from anti-social behaviour or crime on a short or long term basis, without the concern of causing permanent damage to external doors or their fixtures and  fittings.




Local Authorities and Housing Associations are using the BLOCKABOX letterbox blocker on a regular basis to secure void or empty properties.


This enhanced security not only protects their property portfolio but also assists with achieving compliance of new GPDR regulations and clauses set out within insurance policies regarding the management of combustibles that could lead to a fire.


anti arson letterbox blocker - fitted to a door

As well as the standard BLOCKABOX we also supply external powder coated letterboxes and orders for bespoke size BLOCKABOX products. These products can be quoted for on request to meet your requirements.

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We also offer the BLOCKABOX pet  blocker. This gives the additional security of preventing attacks vis a  cat/dog flap.

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BLOCKABOX - Andrew Pickersgill

Buy : White Powder Coated 


Buy : Aluminium Coloured Powder Coated 

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