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The ONCA Gallery is currently open Wednesday – Saturday. The ONCA Barge is open on Fridays for Dresscue and Community Afternoons, and for one-off events. See below for more information.

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Closed for exhibition change over

1 May11 May

The gallery will be temporarily closed whilst we install our next exhibition, which opens 4pm on Thursday 11 May – we hope to see you there!


Image credit: photo by Debbie Bragg

Image description: photograph of the outside of ONCA Gallery showing an illuminated sign with ONCA’s logo – four black capital letters (O N C A) on a white background in the corners of a square with a black border. The sign sticks out at a right angle to the Georgian facade above the gallery window and is photographed at dusk against a clear blue sky.


1 May
11 May


ONCA Gallery
14 St George's Place
Brighton, East Sussex BN1 4GB United Kingdom



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Please note that personal information provided by you via Eventbrite will be used by ONCA for the effective administration of your registration and to send our feedback survey, link to sign up to our newsletter and link to our membership registration page. ONCA will not pass your details on to any external organisations for marketing purposes. Click here to find out more about our Privacy Policy.


Please contact or 01273 607101 if you have specific access needs, please note the gallery is wheelchair accessible but the toilet is up five stairs. We have hearing assistive technology and our staff have Basic BSL & Deaf Awareness training. For more information about access and facilities at ONCA please click here.


Have you been to an ONCA exhibition or event recently? If you would like to share your thoughts with us, you can do so by completing our anonymous feedback survey.