Accumen Shapes > Products > Letterboxes


Accumen Shapes manufacture letterboxes with either a contemporary sloped top or a more traditional capped (pyramid) top.

The letterbox body is made in fourPLUS® and the pyramid cap made in ShapeCrete®.

Letterbox is supplied unpainted and fitted with a Sandleford Chalice letterbox insert as shown (black glass front).  A frosted glass option is also available.

For an additional cost, other insert options are the Sandleford Jet Silver stainless steel front and back or Sandleford Horizon, both with telescopic sleeves.  See images at bottom of page.

Optional flush mount kit available if required.

Custom sizes to suit can be manufactured on request.

Warranty for Letter Box Inserts is separate from Accumen Shapes Letter Box Bodies and are provided by the retailer from the time of purchase.

Click on the links below for installation guidelines:
Flush mount installation instructions
Standard installation instructions





Chalice Black Glass Insert

210mm wide
285mm high
450mm deep


Chalice Frosted Glass Insert

210mm wide
285mm high
450mm deep


Jet Silver Insert

290mm wide
220mm high
450mm deep


Horizon Insert

270mm wide
111mm high
450mm deep