Ecommerce Fulfilment in the UK: A 2026 Cost and Setup Guide

For a typical small parcel, UK ecommerce fulfilment costs roughly £2 to £4 per order once you add up storage, pick and pack, and shipping. This guide breaks down each charge with real numbers, shows you when outsourcing actually saves money, and covers the details most 3PLs would rather you did not ask about.

The three charges, with real numbers

Every honest UK 3PL prices fulfilment as three separate lines. If a provider quotes a single blended “per order” figure and will not itemise it, that is usually where hidden margin lives.

1. Storage, billed per pallet per month. Expect around £20 to £25 per pallet in the UK. A standard UK pallet holds roughly 1 cubic metre of stacked stock. The key discipline: storage should be metered, so slow sellers cost you more and you feel it early. A flat “per SKU” storage fee hides your worst-performing stock from you.
2. Pick and pack, per order. A common structure is about £1.10 for the first item in an order and £0.30 for each additional item. So a one-item order is £1.10; a three-item order is £1.70. Branded packing should be included in the pick fee, not billed as an extra.
3. Shipping, the carrier rate. This is usually your largest line. A 3PL ships enough volume to hold discounted contracts with multiple carriers, so you pay less than the public rate even after a small handling margin. In the UK that typically means Royal Mail for lightweight and letterbox items, DPD and DHL for tracked and next-day parcels, and UPS or FedEx for heavier or express.

Worked example. A three-item parcel, 750g, shipped tracked within the UK: pick and pack £1.70 (£1.10 + £0.30 + £0.30); discounted 48-hour tracked shipping around £3.20 to £3.60; storage a few pence amortised per order. All in: roughly £5.20 to £5.60 for that parcel, or about £3.30 for a smaller two-item letterbox order. There should be no setup or onboarding fee. You start paying when they start shipping.

The mistake that quietly costs brands the most

One mistake we see too often is choosing a fulfilment partner on the cheapest pick-and-pack price alone. The headline quote looks attractive, but once you add storage, slow-moving stock, returns, rework, courier surcharges, and the cost of poor stock accuracy and weak visibility, the cheap option often becomes the expensive one.

Fulfilment is not just about getting orders out the door. It affects your margin, your customer experience, your cash flow, and how confidently you can grow. A good 3PL should look at your full picture, your stock profile, order mix, returns rate, shipping needs and growth plans, before it quotes. The best setup is rarely the cheapest on paper. It is the one that protects your margin, keeps customers happy, and supports growth without adding complexity.

When outsourcing actually saves you money

The honest answer is not “as soon as possible.” Doing it yourself is cheaper until your own time becomes the bottleneck. The tipping point usually arrives when you are shipping around 100 orders a week or more, when packing is eating the hours you should spend on growth, when error rates climb because you are rushing, or when you want faster delivery than you can personally sustain. Do the maths honestly: 15 hours a week packing, at £30 an hour to the business, is £450 a week, often more than a 3PL costs at that volume, before you count the mistakes and the ceiling it puts on growth.

How to choose a UK 3PL: a checklist

• Itemised pricing you can see line by line: storage, pick and pack, shipping.
• Discounted multi-carrier shipping (Royal Mail, DPD, DHL, UPS, FedEx), best carrier picked per parcel.
• A late dispatch cut-off, ideally 5pm, written into your SLA.
• Rolling monthly terms, no long lock-in, no setup fee.
• Direct integrations with Shopify, Amazon, and your other channels, with live stock and order data.
• A named account manager who knows your products.

How fast you can go live

With a well-run 3PL you can be shipping within about five working days of your stock arriving. They handle the platform integration and stock intake; your job is to get the inventory to them.

Frequently asked questions