Avocet Affinity 12 Inch Heavy Duty Letter Box

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Door Thickness:
38 - 78mm
Size Chart

Avocet Affinity 12 Inch Heavy Duty Letter Box

An exceptional quality heavy duty 12 Inch letter box from Avocet, the Affinity letter plate set has contoured edges designed to match with the Affinity door and window handle range.

This fabulous 12 Inch Letter box is manufactured to take full A4 size mail with an external flap that opens to 180°. Each flap is fully spring loaded and comes with a finger slot for easy opening. The Affinity contains both an external weatherseal and internal draught seal, these coupled with an internal nylon brush provides outstanding protection against weather ingress. The flap and matching frame are manufactured from high quality zinc metal to standard BS1004A.


  • Letterplate with contoured edges to complement the Affinity range of window & door handles
  • All metal flaps and matching surround
  • 12 inch version to take full A4 size mail
  • External flap opens up to 180°
  • Fully sprung loaded
  • Finger slot for easy opening
  • Contains external weatherseal and internal draught seal
  • Internal nylon brush seal to help prevent draughts and weather ingress
  • Flap & Body Material: Zinc BS1004A
  • Supplied with two lengths of fixing screws
  • Performance: tested (flap) to 50,000 operations
  • Aperture size conforms to requirements of BS EN 13724:2002

What's in the pack?

1 x Affinity 12" Letter Box with matching metal flaps and surround

4 x Screws


  • External Dimensions: 309mm in length x 76mm in height
  • Internal Dimensions: Sleeve size - 264mm x 50mm (minimum sized hole in the door that the letter box will fit.)
  • Distance between screw hole centres: 270mm
  • Fits door from 38mm to 70mm thick

Measuring Guide:

First remove your letterbox by lifting the flaps and unscrewing the fixing screws or bolts. Once the letter box is removed measure the exact width and height of the aperture (hole) and check the the sizes against the diagram below. Measure the door mid rail - panel thickness to determine the letter box thickness needed (i.e. 20/40mm or 40/80mm). You may well find there are a few millimetres difference to your existing letter box, the door mid-rail or panel aperture can easily be trimmed using a hacksaw or similar.

We aim to deliver your products as quickly as possible. Orders taken before 12:00pm will normally be dispatched the same day. Orders taken after 12:00pm on a Friday will be dispatched the following Monday. For all Next Day Delivery Services (next working day excluding Saturday's) please order before 12.00pm for same day dispatch. Depending on the weight and contents of your order, we either use a next-day courier service, or Royal Mail 24 postage service.

Mainland U.K delivery times are 1-2 working days. Northern Ireland delivery times are 2 - 3 working days.

No Quibble Money Back Returns Policy

Shop with absolute confidence knowing that if you are not satisfied for any reason we will refund the full purchase price providing you return the item within 30 days and in the same condition as when dispatched. Except for those cases where an item proves to be faulty, damaged on delivery or incorrectly described, return delivery charges and postage expenses are not refunded.

How do I return Items?

If you need to return an item please log into your account and click on the orders tab. Locate the order you wish to return and on the right click on 'Return Items?' You will then be taken to the returns tab; on the right hand side enter the quantity you wish to return; then on the left below the item, select the return reason and then the return action (whether you would like a replacement or a refund). If a replacement is not available, we will issue you a refund. There is a comments box to the right if you need to enter any more details.

Once you are happy that all the details have been correctly entered then click on the 'Submit Return Request' button. You will then be sent a return request email from JCP Hardware with instructions.

If you have placed an order as a guest and you wish to return it, then please email.

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