Frequently Asked Questions
There are no specific legal requirements, however, different postage providers have their own guidelines covering layout, clear zones and spacing. All mailed items must include a return (or ‘undelivered’) address so that Royal Mail can return items that cannot be delivered. The Mailing People can provide envelope templates to support your design, clearly showing all required dimensions and layout guidelines.
Special finishes can be applied to envelopes but can increase cost and lead times significantly.
Yes. Envelopes can be printed on one or both sides, in black or full colour, with or without personalisation. Printing on a single side is the more cost-effective option.
Yes, we can source coloured envelopes in standard sizes in various shades within the same colour palette, e.g. different shades of blue. As these are standard stock items, the choice of size and colour will be limited.
Typically, a 5mm white border around all edges is required. If printing edge to edge is required, these can be sourced from one of our partners and can take up to 3 weeks to be produced using a process of flat sheet conversion.
Once stock, artwork and data have been received, a mailing project – including envelope printing – typically takes around 3-4 working days to produce and despatch, depending on the mailing quantity. However, if bespoke envelopes are required, it can add up to 3 weeks to the overall lead time.
Bespoke envelope sizes can vary, and typically most sizes are available, however, some may be subject to minimum order quantities. Price can range from £50 per 1,000 to £500 per 1,000. By comparison, standard envelope sizes for A6, A5 or A4 start from approx £17 per 1,000.
A minimum clear area of 148mm x 45mm is typically required for printing the address. Additional clear zones are also needed for the postage impression and other requirements. The Mailing People can provide envelope templates to support your design, clearly showing all required dimensions and clear spaces. All mailed items must include a return (or ‘undelivered’) address so that Royal Mail can return any items that cannot be delivered.
All items of mail must have a postage paid impression (PPI) printed in the top right-hand corner of the addressed panel to be posted. This tells Royal Mail who has handled the mail, and the postage speed e.g. First Class, Second Class, Economy.



















