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LB11 Coastal Stainless Steel uPVC Letterbox

From £48.25
From £48.25
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  • Coastal Stainless Steel uPVC Letterbox

  • Super corrosion PVD resistance! Effective in coastal and pollutant areas.
  • Grade 304 stainless steel letter plates.
  • Over 1000 accelerated hours corrosion resistance (tested in accordance with BS EN 1670).
  • 25 year manufacturers guarantee for mechanical and surface finish subject to terms and conditions.
  • Replaces most 12 inch size letterboxes.
  • Suitable for 40-80mm door thickness (sleeve can be cut down).
  • Integral rubber seal gasket and internal brush ensure full weather proofing.
  • No more draughts, leaks or rattles!
  • Stainless steel spring to ensure a strong action opening and closing for many years.
  • 180 Degree opening of flaps to avoid over extension.
  • 60mm and 80mm self-tapping screws provided. Smaller letterbox screws available.
  • Video: How to fit a upvc letterbox
  • Guide: How to replace a letterbox for upvc door
  • FAQs: Q&A about replacement upvc letterboxes

Coastal Stainless Steel uPVC Letterbox Details


LB11 stainless steel upvc letterbox is suitable for most uPVC doors & some wooden doors. With a door thickness between 40 & 80mm (Sleeve can be cut down for thinner doors).


Size details:

  • Overall size: 325 x 78mm.
  • Door Aperture (Sleeve Size): 256 x 52mm.
  • 2 central lugs at 273mm fixing centres.


To get an idea of what the inside of a upvc letterbox looks like review this video showing a standard upvc door letterbox.

Care Guidelines:

  • For easy cleaning clean with lint free cloth soaked in warm water and mild detergent.
  • Apply non-corrosive lubricant to moving parts.


Please note 60mm and 80mm screws are supplied which are suitable for 40-80mm door thickness.

For more details regarding Royal Mail strike action please visit the Royal Mail Help Page.

Please note last dispatch for the day (Mon-Fri) is 2pm during the normal working week, so your order forwards on to the next day for dispatch if your order is placed after this time. Orders placed after 2pm on Friday are dispatched on the Monday.

Channel Islands: VAT is removed on the final steps through the basket and is not charged to CI postcodes.

European Deliveries are currently suspended.

The following special offers are available to you when you buy the LB11 12 Inch Coastal Stainless Steel uPVC Letterbox. The discount for the special offer will show in the cart if both the LB11 12 Inch Coastal Stainless Steel uPVC Letterbox and the special offer product are added.

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