LDD-041 Metal Black Telescopic Through Wall Letterbox 230-390mm

The LDD-041 Black Telescopic Through Wall Letterbox is a large, secure, and practical through wall post box designed for external walls and pillars with adjustable depth requirements. Made in Europe from galvanised steel, this lockable letterbox is finished with a thermally applied powder coating to help protect against rust, UV damage, and everyday outdoor exposure.

With an adjustable telescopic chute from 230mm to 390mm, the LDD-041 is suitable for a range of wall or pillar depths. Please note that this model is not suitable for single brick walls.

Designed to accommodate A4 and C4 mail without bending, this high-capacity through wall letterbox is ideal for homes, flats, offices, and commercial properties that receive regular post. The anti-theft front letter slot helps improve mail security, while the rear retrieval door allows convenient post collection from inside the property.

The external faceplate and rear retrieval door are finished in satin black, giving the LDD-041 a smart, modern appearance that suits both traditional and contemporary entrances. This model is also available in Dark Grey and Stainless Steel versions.

For added peace of mind, the LDD-041 black through wall letterbox is supplied with a secure lock, 2 keys, and a 2-year warranty.

Key Features

• LDD-041 black telescopic through wall letterbox
• Adjustable depth from 230mm to 390mm
• Designed for external walls and pillars
• Not suitable for single brick walls
• Made in Europe from galvanised steel
• Thermally powder coated for rust and UV resistance
• Weather resistant and rust resistant construction
• Satin black external faceplate and rear retrieval door
• Suitable for A4 and C4 correspondence
• High-capacity design from 7.5L to 12.5L
• Anti-theft front letter slot design
• Secure lock supplied with 2 keys
• Also available in Dark Grey and Stainless Steel
• 2-year warranty included

Product Specifications

• Product Name: LDD-041 Powder Coated Telescopic Through The Wall Letterbox
• Product Type: Through Wall Letterbox
• Material: Galvanised Steel
• Finish: Thermally Powder Coated
• Colour: Satin Black
• Installation: Through Wall / Through Pillar
• Height: 110mm
• Width: 300mm
• Adjustable Depth: 230mm – 390mm
• Depth Note: 230mm if the door is set forward / 240mm if the door is recessed
• Face Plate Height: 160mm
• Face Plate Width: 350mm
• Front Letter Slot Size: 45mm x 255mm
• Maximum Package Size Due to Anti-Theft Design: 25mm x 255mm
• Suitable Correspondence: A4 and C4
• Capacity: 7.5L – 12.5L
• Weight: 2.5kg
• Lock: Secure lock
• Keys Supplied: 2
• Warranty: 2 years
• Important Installation Note: Not suitable for single brick walls

The LDD-041 is also available in Dark Grey and Stainless Steel.

View our complete range of metal post boxes here.