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Post Boxes | Letter Boxes | Mailboxes | Post Boxes UK

H370 2 Residential Mailboxes Letter box Post box

H370 2 Residential Mailboxes Letter box Post box

The model H370-2 extra high capacity post box is the double height version of our model H370-1 postal box system. It conforms to EN13724 (accepts A4 post, has an anti-theft baffle to inner aperture) and is also Royal Mail approved. H370-2 residential mailboxes are available in a wide range of standard RAL colours, and also any RAL finish (non-stock) at a small additional surcharge. It can also be specified in durable brushed satin stainless steel finish and comes with a high security Eurolock cylinder with 500 differs.



The H370-2 has dimensions of 370mm width, 220mm height and a standard 270mm depth (also available with an extended depth of 380mm), and is a front-entry front-retrieval unit (in-front, out-front). Where applicable, it complies to Secured By Design requirements (clauses 21.19 and 24.6).

It is designed to be incorporated into a bank of residential mailboxes and is suitable for both internal and external positioning with a choice of different casings, surrounds and support legs, 

The model H370-2 can also be fitted with an internal fire extinguisher to create an anti arson fire proof postbox. This is a much more economical postbox solution to specifying a bank of fire rated letterboxes.


  • Horizontal mailbox suitable for internal or external use, either wall mounted, wall recessed, or free standing on support legs.
  • Dimensions per unit: 370 x 220 x 270/380mm (width, height, depth).
  • Aperture size: 325 x 35mm. Conforms to EN 13274 (accepts A4 envelope without having to fold or bend; anti-pilfer baffle to inner aperture).
  • Mailbox body and door manufactured from steel, flap manufactured from cast aluminium.
  • Manufactured and bank-assembled in Europe.
  • Anti arson mailbox / fire proof compatible.
  • Secured By Design compliant (clauses 21.19 and 24.6) where applicable.
  • Each mailbox comes complete with 2 keys (500 differs). Additional mailbox keys available at time of order only.
  • Secure postbox, with 1.2mm thick steel doors, high quality Eurolock lock and extra wide anti-theft security flap to aperture.
  • Hinged to right, side opening.
  • Available in any RAL colour of choice – please see our RAL colour chart. Grade 316 satin (brushed) stainless steel finish also available.
  • Choice of surrounds and support legs depending upon type of application.
  • Numbering and lettering to flap can be specified for an additional charge.
  • Wide selection of accessories available including signage, lighting and shelters.
  • Blank door (without flap) and parcel shelf system can be specified for uneven bank configurations.
  • Post Boxes UK recommends a maximum single unit bank size of 36 residential mailboxes in an six wide six high configuration (6w 6h). Should you wish to specify a larger bank size than this, please call us on +44 (0)121 288 0838 to discuss.


Should you require any further information regarding H370-2 residential mailboxes or wish to discuss your enquiry, please call Post Boxes UK today on +44 (0)121 288 0838. Alternatively, your enquiry can be emailed to and where possible, we would that drawings be sent in pdf format. Thank you.

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