English Reference
Idiom idiom

coals to Newcastle


A pointless venture, in the sense of sending something to a place where it is made, or where they already have an abundance.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

Bringing extra snacks to the party is like carrying coals to Newcastle.

Sending sand to the beach is just carrying coals to Newcastle.

CONTEXTUAL

Offering to teach the expert how to use the software was like carrying coals to Newcastle.

Giving a new smartphone to a tech journalist feels like carrying coals to Newcastle because they already have every gadget imaginable.

The company realized that exporting luxury watches to Switzerland was essentially carrying coals to Newcastle, so they changed their business plan.

COMPLEX

To gift the renowned vineyard owner a case of local wine was, in essence, carrying coals to Newcastle.


The phrase originates from the historical status of Newcastle upon Tyne and Newcastle, New South Wales, as major coal-exporting cities. To ship coal to these locations would be redundant, as both ports functioned as primary sources of the fuel for their respective regions. The idiom records the futility of delivering a commodity to the very place where it is produced in abundance.


Related idioms4entries
  1. 01

    canary in a coal mine

    Something whose sensitivity to adverse conditions makes it a useful early indicator of such conditions; something which warns of the coming of a greater danger or trouble by a deterioration in its health or welfare.

  2. 02

    carry coals to Newcastle

    To do something that is unneeded or redundant.

  3. 03

    haul someone over the coals

    To express anger with someone in no uncertain terms when they do something wrong.

  4. 04

    rake over the coals

    To call to task or to reprimand severely.

Last updated August 10, 2026