An exact replacement letterbox may no longer be available, but a similar one can often be used.
The most important factor when choosing a replacement letterbox for a upvc door is checking the hole originally cut in the door is covered by the new letterbox. In some cases the hole in the door may need enlarging and new screw holes making.
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More about UPVC Letterboxes
UPVC Letterbox Size Chart
This is a short summary of letterbox sizes for quick reference. See the product pages for more information including technical drawings of each UPVC door letterbox.
|Name||Sleeve Size||Flap Size (inc. Surround)|
|Extra Slimline upvc Letterbox||270 x 37mm||320 x 51.5mm|
|Wellseal 12″ upvc Door Letterbox||260 x 48mm||306 x 70mm|
|Slim Master upvc Door Letterbox||269 x 38mm||316 x 50mm|
|Slimline upvc Door Letterbox||256 x 37mm||306 x 61mm|
|Standard upvc Door Letterbox||218 x 48.5mm||263 x 73.5mm|
|Wellseal 10″ upvc Door Letterbox||226 x 48mm||265 x 70mm|
For more information, check out our Installation Guide – How to Measure and Install Your UPVC Letterbox?
How to replace a letterbox in a uPVC door?
Replacing a letterbox in a uPVC door is a simple DIY task. Start by unscrewing the existing letterbox from both sides. Then, slide out the old letterbox and insert the new one, aligning it correctly. Finally, secure it by screwing it back into place. Always remember to take careful measurements to ensure your new letterbox fits perfectly.
What are our Letterboxes made from?
Our letterboxes are crafted from high-grade, corrosion-resistant materials such as stainless steel and robust plastics. These materials ensure our products offer a balance of style, durability, and resistance against weather elements, giving you a letterbox that doesn’t just look good but also stands the test of time.
How to seal a letterbox on a uPVC door?
Sealing a letterbox on a uPVC door involves applying a weatherproof sealant around the edges of the letterbox. This not only protects against drafts and moisture but also provides a clean, professional finish. Make sure to apply the sealant evenly and allow it to dry completely for the best results.
Can you cut a letterbox in a uPVC door?
Yes, you can cut a letterbox in a uPVC door. However, it requires precision and the right tools to avoid damaging the door. If you’re not confident in doing this yourself, we recommend seeking professional help. Our experienced team is always ready to assist, ensuring a neat, precise cut that’s perfect for your new letterbox.