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Cathedral Quarter · Medium

The Dirty Onion

150-cap rock, indie and trad pub venue.

Venue at a glance The Dirty Onion · Belfast
~150
Capacity
standingmedium
6 nights
Live music
Mon · Tue · Wedper week
Start time
doorsnightly
BYO
Backline
bring owngear
Traditional
Books
originals+4 more
Verified
Directory status
openGX directory

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Last updated: 3 June 2026

The Dirty Onion — Quick Facts

150-cap rock, indie and trad pub venue.

✓ Verified openLast verified
The Details

Everything you need before you book

Capacity~150 standing
Live nightsMon, Tue, Wed, Thu, Fri, Sat
Curfew
Sound limiter
Outdoor stageNo
OriginalsYes

Where

The Dirty Onion 3 Hill Street
Cathedral Quarter
Belfast BT1 2LA

Genres

Traditional Folk Acoustic Indie Covers

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Booking Information

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What's on Stage

Equipment and backline available at this venue. We verify and update this section regularly.

PA system
Drum kit
Guitar amp
Bass amp
Keys / keyboard
Vocal mics
In-house engineer

About The Dirty Onion

The Dirty Onion is a grassroots music venue in Cathedral Quarter, Belfast with a standing capacity of approximately 150. Bring your own PA, mics and instruments.

The Dirty Onion books Traditional, Folk, Acoustic, Indie, Covers acts. Both original music and covers are welcome. This listing is part of the Belfast venue directory.

The Dirty Onion sits in one of Belfast's oldest buildings (dating to 1680) in the Cathedral Quarter, with live music seven nights a week and free entry every night. The focus blends traditional Irish music with contemporary acts — solo performers, duos, trios and full bands across afternoon and late slots — set around two bars and one of the city's biggest cobbled beer gardens. A nightly grassroots trad-and-acoustic stage at the heart of Belfast's music scene.

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Find The Dirty Onion

3 Hill Street, Cathedral Quarter, Belfast, BT1 2LA

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Common Questions

Seven things people ask about booking The Dirty Onion.

BYO all equipment — PA, mics, and instruments. For venues with gear provided, see the Belfast venue directory.
The Dirty Onion books Traditional, Folk, Acoustic, Indie, Covers. Both original music and covers are welcome. Browse artist profiles by genre on GigXchange.
Sign up free on GigXchange to view The Dirty Onion’s booking contact, fee range, and submission process. Most grassroots venues accept email submissions with a link to your music or EPK. Check current UK fee benchmarks before quoting.
The Dirty Onion has a standing capacity of approximately 150, classed as a medium venue. See all Belfast venues for size comparisons.
Open mic information is not currently listed for The Dirty Onion. Browse the Belfast Open Mic Finder for nearby open mics.
3 Hill Street, Cathedral Quarter, Belfast, BT1 2LA. See the map below for directions. Browse more Belfast venues nearby.
Fee ranges are available to signed-up artists on GigXchange. Grassroots venue fees in Belfast vary by event type, band size, and whether the deal is a flat fee or door split. The GigXchange Rate Calculator shows current UK percentiles.

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