Letterboxes
UPVC Door Letterboxes
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.
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 |

Slim Master upvc Door Letterbox
Please note colour refers to both letterplate/flap and letterbox...
£16.48

Standard upvc Door Letterbox - Avocet / WMS
This letterbox has been discontinued by the manufacturer. The...
£17.85
... more info

Wellseal 10" upvc Door Letterbox
Please note colour refers to letterplate/flap. The letterbox...
£12.50

Wellseal 12" upvc Door Letterbox
Please note colour refers to letterplate/flap. The letterbox...
£12.50

Slimline upvc Door Letterbox
This letterbox has now been discontinued by the manufacturer.
£15.87
... more info

Extra Slimline upvc Door Letterbox
This letterbox has been discontinued . We recommend the Slim Master...
£15.87
... more info