through the wall letterboxes.

Through the Wall Letterboxes’ Custom Made in solid cast iron by Lumley Designs.

Lumley Designs are specialist British manufacturers of solid cast iron Through the wall letterboxes, creating both traditional and contemporary styles with craftsmanship passed down through generations. All our through the wall letterboxes are built with a focus on function, durability, and timeless aesthetics, ensuring each product meets the expectations of homeowners, architects, and heritage property restorers. Key features Solid letterplates and doors in durable long lasting cast iron are all authentic designs.

Further more Lumley designs through the wall letterboxes have Telescopic & Sloping galvanized boxes Boxes in a range of wall cavity depths. Sloping design ensures mail falls neatly to the bottom, improving capacity ideal if the properties left vacant for long periods of time.

Letterplates come in a range of sizes and styles with generous mail openings suitable for large Envelopes and mail drops. Rear secure cast iron doors match perfectly.

Build in Letterboxes can be personalised with solid cast details to display names, numbers, words, sculptured motifs, family crests and bespoke artwork. We can also colour finishes to complement your building’s style or architectural scheme.

Lumley Designs adopt traditional casting techniques and time‑honoured methods to create letterboxes that are both functional and beautifully made. Every product reflects a commitment to quality, detail, and British manufacturing excellence.