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Send a large parcel: cheapest couriers for up to 15kg

The quick answer

The lowest price for a large parcel service on 26 Oct 2026 is £3.99 from InPost: Locker or Shop to an InPost Locker or Shop (Large parcel up to 15kg · locker · InPost). The table compares 17 prices from 6 sellers, read from each seller's own site.

By Bez, EditorPrices checked 26 Oct 2026

Cheapest today

InPost

Locker or Shop to an InPost Locker or Shop

Large parcel up to 15kg · locker · InPost

Price

£3.99

Visit site at InPost (opens in a new tab)

17 deals · best value first

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Send a large parcel: cheapest couriers for up to 15kg: best value first

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AffiliateRanked by price, read from each seller's own site. Prices checked on each provider's own site, 26 Oct 2026.

What counts as a large parcel

A large parcel is one that fits a bigger size and weight band. Couriers price by the band your parcel fits, so bigger bands cost more.

Prices depend on both size and weight. A parcel can be small but heavy, or big but light. Either can move it into a higher band.

Measure before you book. Check your parcel's size and weight first, then find the band it fits. You can then compare prices for the right band from the start.

Our tables show prices for sending one parcel within the UK mainland. Each table shows the date its prices were last checked. Find your band, then start with the cheapest option in the table. For more ideas, read our guide to cheapest parcel delivery.

How to pay less for a big parcel

Dropping your parcel off usually costs less than having a courier collect it from your door. Take it to a shop, locker or counter to save money.

Next, compare couriers in one quote. A parcel booking site such as Interparcel sells many couriers' services together, with drop-off and collection options. Enter your parcel's size and weight, then compare the prices side by side.

Royal Mail and Parcelforce online prices are cheaper than paying at a Post Office counter. Book online to pay less.

Choose a tracked service too. It lets you follow your parcel online until it is delivered. An untracked service does not. Our tables rank every deal by real cost alone, so check the date each table was last checked and start at the top row.

Pack it to arrive safely

Good packing protects your parcel on its journey. Four simple habits help.

  • Use a strong, sturdy box that fits the item snugly.
  • Fill every gap with padding, such as paper or bubble wrap, so nothing moves.
  • Seal all seams with strong packing tape, not sticky tape.
  • Write the full address on the parcel, and put a copy inside too.

Straight answers

Questions people ask

What is the cheapest way to send a heavy parcel?
Dropping your parcel off at a shop, locker or counter usually costs less than a courier collecting it from your door. Couriers price by the size band and weight your parcel fits, so compare them in one quote. Royal Mail and Parcelforce online prices are also cheaper than paying at a Post Office counter.
Can a courier collect a large parcel from my home?
Yes, a courier can collect a large parcel from your door. Collection usually costs more than dropping the parcel off at a shop, locker or counter. A parcel booking site such as Interparcel shows drop-off and collection options in one quote.
How do I measure a parcel?
Measure your parcel's size and weight, then check which size band it fits before you book. Couriers price by size band, so the band your parcel fits sets the cost. Weight matters too, because prices depend on both size and weight.