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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
on special request
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "on special request" is correct and usable in written English.
It can be used when indicating that something is available or can be done only if specifically asked for. Example: "The dish is not on the menu but can be prepared on special request."
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(20)
upon request
by request
if requested
available upon demand
on demand
subject to request
by appointment only
custom-made
upon special request
is equivalent to
in the wishes of
rapidly thereafter
for the immediate future
Very soon
somewhere later
one week before
at the early time
in the next weeks
it is important to remember
during the previous years
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
9 human-written examples
Small group/one-on-one sessions are available on special request.
News & Media
Smith Barney does offer after-hours trades, but only on special request.
News & Media
In the meantime, the department has stopped culling except on special request, aside from the two townships involved in the HSI project where it is banned outright.
News & Media
Few of them preach, and those but seldom, and only on special request; after which donations of clothing, and c. are always made to them.
Academia
The collection was donated to the Uffizi in the late 1950's, but the gallery had no room to show it, so the paintings were stored in the nearby Pitti Palace, where scholars could view them only on special request.
News & Media
In Germany PCR is used on special request and in the Netherlands PCR is used by specific laboratories.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
51 human-written examples
That ambition extends to giving holidaymakers more information on where they are going, including tips on how to make the most of their destination and cabin crew members with iPads –trialled this year and due to be rolled in 2015 – who will be able to pass on special requests and information to customer service teams at resorts.
News & Media
He had only one special request.
News & Media
With customers from around the world, all types of special requests based on diet and religion need to be accommodated.
News & Media
Publicists get a lot of special requests.
News & Media
Perry was on the program by special request of the Queen.
Wiki
Expert writing Tips
Best practice
Use "on special request" when emphasizing that a service or item is not routinely offered but can be accommodated if specifically asked for. This adds a sense of exclusivity or personalization.
Common error
Avoid using "on special request" when something is already standard practice. Doing so can sound pretentious or create unnecessary complexity. Reserve it for genuinely exceptional cases.
Source & Trust
84%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "on special request" functions as an adverbial phrase, modifying a verb or clause to indicate under what condition an action is performed or a service is provided. As Ludwig AI indicates, it specifies that something is not routinely available but can be obtained if specifically asked for.
Frequent in
News & Media
40%
Science
30%
Academia
20%
Less common in
Wiki
10%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "on special request" is a grammatically correct phrase used to indicate that a service or item is available only if specifically asked for. As Ludwig AI confirms, this phrase is suitable for various contexts, ranging from news and media to science and academia. While it is not exceedingly common, its usage is consistent and clear. When writing, remember to use it to denote something genuinely exceptional and avoid overuse. Alternative phrases such as "upon request" or "by request" can be considered depending on the nuance you intend to convey.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
upon request
Omits "special", implying any request suffices.
by request
Shorter form, maintaining the core meaning.
if requested
Expresses conditionality more explicitly.
available upon demand
Highlights the availability aspect.
on demand
A more concise expression of availability.
subject to request
Emphasizes that the action depends on a request.
only by arrangement
Focuses on the need for prior agreement.
with prior arrangement
Highlights the importance of advance notice.
by appointment only
Specifies that service is only available with a scheduled time.
custom-made
Emphasizes the tailored nature of the offering.
FAQs
How can I use "on special request" in a sentence?
You can use "on special request" to indicate that something is available or done only when specifically asked for. For example: "The chef can prepare a vegetarian meal "on special request"".
What is a similar phrase to "on special request"?
A similar phrase is "upon request", which also indicates something is provided when asked for but doesn't emphasize the 'special' or non-routine nature as much.
Is it better to say "on special request" or "by special request"?
Both "on special request" and "by special request" are grammatically correct, but ""on special request"" is more common. The choice depends on the specific nuance you want to convey.
Can I use "at special request" instead of "on special request"?
While less common, "at special request" is also acceptable and means the same thing as ""on special request"". It is often a matter of personal preference.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.3/5
Expert rating
Real-world application tested