Suggested alternatives for "nice-to-have" as a noun

In the example below, I’m looking for a suitable synonym for nice-to-have. I’m specifically looking for an appropriate noun replacement; do we actually have such a thing in English?

Maintenance shouldn’t be a ‘nice-to-have’ but an all-important necessity.


When contrasting with "necessity", Doug's option is a typical contrast.

Maintenance shouldn't be an option, but an all-important necessity.

Another contrast tends to be luxury.

Maintenance shouldn't be a luxury, but an all-important necessity.


Bonus carries the non-essential nature of what you're after. Maybe "bonus feature", or "added bonus".


nicety [nahy-si-tee] –dictionary.com

  1. Usually, niceties. a refined, elegant, or choice feature, as of manner or living: working hard to acquire the niceties of life.

Maintenance is not a nicety, it's an all-important necessity.


Maintenance shouldn't be an extra.

extra n.

  1. an additional feature.

{R H K Webster's}

extra n

  1. Something more than is usual or necessary

{AHDEL; same link}