Home Lifestyle How Much is a Large Letter Stamp Cost?

How Much is a Large Letter Stamp Cost?

Welcome to our blog post on the cost of large letter stamps! If you’ve ever found yourself standing in line at the post office, wondering how much is a large letter stamp cost to send, you’re in the right place. Large letters can be a bit trickier than your standard mail, but fear not – we have all the answers you need.

In this article, we’ll dive into what exactly constitutes a large letter, how many stamps you’ll need to send one, and of course, how much it will cost. So let’s get started and unravel the mysteries of sending those big envelopes through the postal system!

What is a Large Letter Stamp?

What is a Large Letter Stamp?

What exactly is a large letter stamp, you might ask? Well, it’s a special type of postage that is specifically designed for larger and bulkier envelopes. While standard letters can be sent using regular stamps, when your mail exceeds the size limits set by postal regulations, you’ll need to use a large letter stamp.

Large letter stamps come in various denominations depending on the weight and destination of your mail. The cost will vary based on these factors as well. It’s important to note that if your envelope exceeds certain weight thresholds or requires additional services like tracking or insurance, you may incur extra fees.

How Many Stamps for a Large Letter?

For sending a large letter within the UK, the number of stamps required depends on the weight and dimensions of the letter. The Royal Mail, which handles postal services in the UK, has specific guidelines for determining the postage cost of a large letter. The maximum weight for a large letter is 750 grams.

The number of stamps required will vary based on the weight and whether the large letter falls into the standard or large letter size category. For letters falling within the standard large letter size category, you can typically expect to use one or two first-class stamps (currently priced at 85p per stamp).

However, if the letter exceeds the specified dimensions or weight limits, it may require additional postage or be classified as a parcel. Therefore, it’s always best to check with the Royal Mail or use their online postage calculator to obtain accurate and up-to-date information for your specific large letter.

What Are the Large Letter Stamp Dimensions?

When it comes to sending large letters, it’s important to know the dimensions that qualify for a large letter stamp. The size of your envelope or package will determine whether you need to use a standard stamp or opt for a larger one.

The Royal Mail, which is responsible for postal services in the UK, has specific guidelines regarding the dimensions of a large letter. According to their regulations, a large letter must meet the following criteria:

  1. Maximum length: 35.3cm
  2. Maximum width: 25cm
  3. Maximum thickness: 2.5cm

These measurements ensure that your item can be processed efficiently and without any issues during delivery.

How Much is a Large Letter Stamp Cost?

How Much is a Large Letter Stamp Cost?

For large letters within the standard size category (maximum dimensions of 35.3cm x 25cm x 2.5cm) and weighing up to 100g, the current pricing for first-class postage is £1.95, while second-class postage costs £1.55.

1st Class:

Format and maximum size Price


24cm long, 16.5cm wide, 5mm thick, Up to 100g

Large Letter

35.3cm long, 25cm wide, 2.5cm thick, Up to 100g


 2nd Class:

Format and maximum size Price

24cm long, 16.5cm wide, 5mm thick, Up to 100g

Large Letter

35.3cm long, 25cm wide, 2.5cm thick, Up to 100g


How Much Does It Cost to Send a Large Letter?

When sending a sizable letter abroad, it’s essential to consider not only its dimensions and weight but also its associated cost. Our international large letter delivery service begins at just £8.65, excluding VAT. The final price may fluctuate depending on the destination and contents of the item, as well as any additional features desired, such as recorded delivery.

By choosing Royal Mail, you not only receive reliable service but also benefit from competitive rates. Through Parcel2Go, you have the option to book either:

  • Royal Mail International Large Letter Tracked
  • International Tracked & Signed Large Letter
  • International Tracked Collection Large Letter

Posting Large Letters Abroad

If you’re planning to send a large letter to someone overseas, you might be wondering about the logistics and costs involved. Well, fret not! I’m here to shed some light on this topic.

When it comes to posting large letters abroad, there are a few things you need to keep in mind. The weight and size restrictions may vary depending on the destination country. It’s essential to check with your local postal service or visit their website for accurate information.

In most cases, sending a large letter internationally will require additional postage compared to domestic rates. The cost can vary based on factors such as the destination country, weight of the letter, and level of service you choose (standard or expedited).

To determine how much postage is needed for your specific situation, consider using an online postage calculator provided by your postal service. This tool will help estimate the cost based on various parameters like dimensions and weight.

Can I Use a Large Letter Stamp on a Medium or Small Envelope?

Can I Use a Large Letter Stamp on a Medium or Small Envelope?

No, it is not advisable to use a large letter stamp on a medium or small envelope. The Royal Mail, which handles postal services in the UK, has specific regulations regarding the use of stamps based on the size and weight of the item being sent.

Large letter stamps are specifically designed for mailing letters that meet the dimensions and weight criteria for large letters. If you use a large letter stamp on an envelope that falls into the medium or small letter category, or doesn’t meet the required dimensions, it would be considered underpayment of postage.

To ensure proper delivery and avoid any issues, it’s important to use the appropriate stamp for the size and weight of your envelope. You should refer to the Royal Mail guidelines or consult with a postal representative to determine the correct stamp for your specific mailing needs.


In conclusion, the cost of a large letter stamp varies depending on several factors, such as weight, destination, and speed of delivery. It is important to always check the current rates before sending out your mail to avoid any unexpected costs.

With the rise of digital communication, physical letters may seem obsolete but they still hold sentimental value and are necessary for certain official documents. So next time you need to send out a large letter, be sure to research the postage options available and choose the one that best fits your needs.


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