Royal Mail services explained: Standard, Tracked, Signed For, Guaranteed. Which one should you choose?

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Liam Dixon
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Standard, Tracked, Signed For and Guaranteed Delivery. The big 4 of Royal Mail services. UK Postbox customers use each for their mailing needs, especially via our Letter & Parcel forwarding services, Dropshipping & Fulfilment and Send Letters Online.

When sending mail or parcels within the UK or abroad, Royal Mail offers a range of delivery services to suit different needs. Whether you’re sending a birthday card, an online order, or important documents, it’s essential to understand the difference between Standard, Tracked, Signed For and Guaranteed delivery. In this guide, we’ll break down how each service works and when to use it.

1. Royal Mail Standard Delivery

Best for: Everyday letters, small parcels, and non-urgent deliveries.

  • Delivery time: Usually 1–3 working days (1st or 2nd Class)
  • Tracking: Not tracked
  • Signature: No signature on delivery
  • Cost: Most affordable option

Ideal for:

  • Personal mail (letters, greeting cards)
  • Small, low-value, handmade items parcels
  • Businesses sending low-risk items with no monetary value

2. Royal Mail Tracked Delivery

Best for: Online sellers, businesses, or anyone needing peace of mind with full tracking.

  • Delivery time:
    • Tracked 24: aims to deliver the next working day
    • Tracked 48: aims to deliver within 2 working days
  • Tracking: Full tracking from dispatch to delivery
  • Signature: Optional
  • Compensation: Up to £75
  • Notifications: Email/SMS updates available
  • Size and weight conditions:
    • Parcels: Max L 61cm x W 46cm x D 46cm | Max 30kg - e.g. Gifts, shoes, heavy or bulky items
    • Tubes and Rolls: Max L 90cm x W * x D * | Max 2kg - The length plus twice the diameter must be less than 104cm, with the greatest dimension less than 90cm

Ideal for:

  • Sending e-commerce orders to customers
  • Time-sensitive or valuable items
  • Peace of mind to monitor delivery progress
  • UK Postbox dropshipping and fulfilment users

Example: Sending a product to a customer who expects fast, trackable delivery.

3. Royal Mail Signed For Delivery

Best for: Important or sensitive items where proof of delivery matters.

  • Delivery time:
    • Signed For 1st Class: next working day aim
    • Signed For 2nd Class: 2–3 working days
  • Tracking: Only confirmation after delivery (not full tracking)
  • Signature: Signature required on delivery
  • Compensation: Up to £20
  • Proof of delivery: Online signature viewable
  • Size and weight conditions:
    • Letter: Max L 24cm x W 16.5cm x D 0.5cm | Max 100g - e.g. Greeting cards, personal letters and postcards
    • Large Letter: Max L 24cm x W 16.5cm x D 0.5cm | Max 750g - e.g. Magazines, CDs and DVDs
    • Small Parcel: Max L 45cm x W 35cm x D 16cm | Max 2kg - e.g. Handbags, shoes and board games
    • Medium parcel: Max L 61cm x W 46cm x D 46cm | Max 20kg - e.g. Heavy or bulky items
    • Tubes and Rolls: Max L 90cm x W * x D * | Max 2kg - The length plus twice the diameter must be less than 104cm, with the greatest dimension less than 90cm

Ideal for:

  • Legal or financial documents
  • Important letters and small parcels
  • Items where confirmation of receipt is essential
  • UK Postbox Letter & Parcel forwarding or send letters online users

Example: Sending an employment contract or a gift voucher that shouldn’t go missing.

4. Royal Mail Guaranteed Delivery (Special Delivery Guaranteed)

Best for: High-value items, urgent deliveries, and guaranteed arrival by a specific time.

  • Delivery time:
    • Guaranteed by 1pm next working day
    • Guaranteed by 9am next working day (premium option)
  • Tracking: Full tracking at every stage
  • Signature: Signature required on delivery
  • Compensation: Up to £750 as standard, with higher cover available
  • Proof of delivery: Money-back guarantee if delivery time is missed
  • Size and weight conditions:
    • Parcel/letter: Max L 61cm x W 46cm x D 46cm | Max 20kg

Ideal for:

  • Jewellery, electronics, passports, sensitive documents
  • Urgent business deliveries or items that must arrive next day
  • Peace of mind with full security and assurance

Example: Sending a passport or high-value item that needs secure, guaranteed next-day delivery.

Royal Mail services via UK Postbox

We can receive and send Standard, Tracked, Signed For and Guaranteed Delivery mail on your behalf via the following services:

Forwarding letters and parcels

Letter forwarding service

Forward your letters to any location worldwide using our platform. Select a destination, choose a postage option, and we’ll handle the rest. Learn more about our letter forwarding service.

Parcel forwarding service

Forward parcels from our facility to your home address or anywhere else across the world. Combine multiple parcels, store them free for 30 days, and manage everything via our platform. Learn more about our parcel forwarding service.

With both services above, you can choose the four Royal Mail services. This is particularly efficient when managing your day-to-day mail and every scenario life throws at us.

Dropshipping and Fulfilment

Looking to outsource your online store management? You can use UK Postbox for stock storage, returns address and then when you make a sale, the item can be delivered via a full range of shipping options.

This is all managed via our online platform and if you have a Shopify, we can manage this for you.

We can ship your item via the leading couriers (DPD, DHL and Parcelforce) and we provide the full range of Royal Mail services.

We've found that our eRetailer customers favour the Royal Mail Tracked 24/48 option for both UK and international deliveries.

Benefits of Tracked 24/48 for eRetailers

  • Cost effective with proof of delivery
  • Photo provided on delivery
  • International Tracked Delivery services provide tracking throughout UK transit
  • Ideal for E-Commerce sellers needing confirmation of delivery without requiring a signature
  • Tracked items can be delivered to Royal Mail Parcel Lockers
  • Generally, Tracked Delivery services are same price as 24/48 services but with enhanced visibility
  • International Tracked Heavier is cost-efficient and calculated by dead weight (not volumetric weight) for a vast number of international destinations.
  • Tracked Letterboxable (Large Letter format) allows up to 1000g weight capacity, compared to the standard 750g limit

Our UK fulfilment and dropshipping services offer businesses everything they need to sell products in the UK from wherever they are. Send your goods to us, and we’ll handle the rest. Learn more about our UK dropshipping and fulfilment services.

Send Letters Online

Simply upload your letter into our platform, provide a delivery address, select a postage option and we’ll post your mail from our UK mail sorting facility. The postage options include the most popular Royal Mail Standard Delivery 1st and 2nd class options and also the Signed For option for important, urgent letters and documents.

Send letters in the UK from anywhere in the world using our online letter mailing service. This is suitable for personal users sending individual letters and especially beneficial for companies with high capacity sending needs. Learn more about our send letters online service.

Have you used the UK Postbox Shipping Calculator?

UK Postbox provides users and website visitors with the Shipping Calculator. This is available on our website and also in the online mail management platform when managing your mail.

Our shipping calculator displays the costs of forwarding your letters and parcels via one of our preferred shipping partners.

Costs vary depending on the product size, dimensions, and destination country. Royal Mail is usually the most cost-effective option and it offers a range of services to suit your needs.

Have you tried UK Postbox yet?
See pricing

We can provide a range of virtual address and online mail management services for individuals, businesses (including eRetailers), nonprofits and public sector organisations.

And, with Christmas arriving, many will be thinking about last Christmas posting dates but also last minute parcel delivery requirements. We can help you to manage this at scale or on a pay as you go basis, this year and beyond.

Contact our team for more information.

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Liam Dixon
Liam Dixon
As Chief Operating Officer at UK Postbox, what Liam doesn’t know about UK Postbox isn’t worth knowing. Liam is a driving force on the team, helping guide UK Postbox into the future. His keen eye for detail means he’s always on the ball when it comes to UK Postbox news, updates and new products, and his blog posts will keep you updated on all of it!
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