Last updated: 25 September 2026
Where we deliver
We currently deliver to UK addresses only.
Delivery options
| Service | Cost | Delivery aim |
|---|---|---|
| Royal Mail First Class | £4.95 | Usually 1–2 working days after dispatch (not guaranteed) |
| Royal Mail Special Delivery Guaranteed by 1pm | £9.95 | Next working day by 1pm, guaranteed and fully tracked |
Dispatch times
Orders placed and paid for by 3pm Monday to Friday (excluding bank holidays) are dispatched the same working day. Orders placed after 3pm, at weekends or on bank holidays are dispatched the next working day. Bank transfer orders are dispatched once payment has cleared.
Tracking
We email you when your order is dispatched. Where your chosen service includes tracking, the tracking number is included in that email.
Packaging
Orders are sent in plain, unbranded outer packaging.
Delays and missing parcels
If your parcel has not arrived within 5 working days of dispatch (or by the guaranteed time for Special Delivery), contact us with your order number and we will investigate with Royal Mail.
PeptidesNextDay is a trading name of Dantix Systems Ltd, a company registered in England and Wales (company number 16710533). Registered office: 20 Wenlock Road, London, N1 7GU. Email: orders@peptidesnextday.co.uk.