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Post Boxes | Letter Boxes | Mailboxes | Post Boxes UK

H370 1 Recessed Letterboxes Mailbox Post Box

H370 1 Recessed Letterboxes Mailbox Post Box

Another commonly specified unit, H370-1 wall recessed letterboxes are the wider yet shallower version of our best selling model H300-1 unit. This multi occupancy mailbox is best suited to larger lobby areas in which a focal point is to be achieved - its width lending itself well to landscape style banks of mailboxes. It is suitable for both small scale apartment and flat projects and the largest of multi-use developments. It is also available as an extra large capacity mailbox - our models H370-2 and H370-3.




This horizontal post box has dimensions of 370mm width, 110mm height and a standard depth of 270mm (also available with extended depth of 380mm). A popular unit it has become an industry standard across Europe for high density residential schemes and commercial office developments. It is a front-entry front-retrieval unit (in-front, out-front) and conforms to EN13724 (accepts A4 mail without having to fold or bend the post, has anti-theft baffle to aperture) and is Royal Mail approved. Where applicable, it complies to Secured By Design requirements (clauses 21.19 and 24.6).

H370-1 wall recessed letterboxes are designed to incorporated and assembled into larger banks of post boxes - typically, from small banks of 6 units up to larger banks of 300+ units. The model H370-1 mailbox is most suited to large scale city centre residential schemes and student accommodation.

The H370-1 is available in any RAL finish, many of which are stock. Non-stock finishes incur a surcharge for small orders. Different gloss levels can also be specified as required. It also come in marine grade 316 satin (brushed) stainless steel.

It is suitable for both internal and external use with a choice of different casings and surrounds.

The model H370-1 can also be fitted with an internal fire extinguisher. This is a much more economical solution than specifying a bank of fire rated letter boxes.


  • Horizontal recessed in wall letterboxes suitable for internal or external use.
  • Dimensions per unit: 370 x 110 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-theft flap to inner aperture).
  • Manufactured and bank-assembled in Europe.
  • Secured By Design compliant (clauses 21.19 and 24.6) where applicable.
  • Anti arson mailbox / fire proof compatible.
  • Mailbox body and door manufactured from steel, flap manufactured from cast aluminium.
  • High / large capacity letter boxes available – model H370-2 and H370-3.
  • Each post box comes complete with 2 keys (204 differs). Additional mailbox keys available at time of order only.
  • Secure postbox, with 1.2mm thick steel doors, high security Eurolock cylinder lock and extra wide anti-pilfer baffle flap to inner aperture.
  • Hinged to right, side opening.
  • Available in any RAL colour of choice – please see our RAL colour chartAlso available in satin (brushed) stainless steel, and bronze, silver and gold anodised finishes.
  • Numbering and lettering to flap can be specified for an additional charge.
  • Choice of surrounds and support legs depending upon type of application.
  • Blank door (without flap) and parcel shelf system can be specified for uneven bank configurations.
  • Post Boxes UK recommends a maximum bank size of 72 wall recessed letterboxes in a six wide twelve high configuration (6w 12h). 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 H370-1 recessed in wall letterboxes 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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