A function room in a pub with patterned carpet, wooden tables, warm lighting, and TVs at O'Neill's Trinity Street Cardiff.

A pub function room with long wooden tables, bench seating, TV screens, and exposed bulb lighting at O'Neill's Trinity Street Cardiff.

A function room with round wooden tables, patterned carpet, and wall-mounted TV at O'Neill's Trinity Street Cardiff.

A function room with hanging Edison bulbs, wooden tables, and patterned flooring at O'Neill's Trinity Street Cardiff.

Private Upstairs Room at O'Neill's Trinity Street Cardiff

Function Room in a Pub

Private space

About this space

Our upstairs private room can host up to 70 guests (with a mixture of seated and standing), 30 for a meeting set up, or 60 for dining. Making it the perfect space for milestone birthdays, after-work drinks, networking events, Christmas parties, engagement celebrations, or meetings.

The versatile space features a private bar, toilets located nearby, and a raised section that can double as a stage and use of screens. You can play your own music via our speakers, Enhance your event with a buffet or one of our drinks party packages. Get in touch to discuss your requirements—we’d love to help!

Event offers and packages

Enjoy a relaxed, inviting atmosphere far from a stuffy meeting room—in a comfortable space above the pub. Perfect for team building, private meetings, or even a fun sit-down pub quiz. With access to a flip chart and screen, and flexible package options, your day will run smoothly and effortlessly!

Arrival Hot Roll + Buffet + Tea or coffee

£22.35 per person

This meeting room package includes:
-An arrival sausage or bacon roll
-A buffet during the break (Gold Buffet)
-And a tea/coffee per person

Arrival Hot Roll + Buffet + UNLIMITED Tea and coffee

£30.20 per person

This meeting room package includes:
-An arrival sausage or bacon roll
-A buffet during the break (Gold Buffet)
-And UNLIMITED tea/coffee per person

Prices

Monday

11:00 – 23:00

from £200 min. spend

Per session

11:00 – 23:00

from £200

Note: Alcohol licence until 2:00. Extension available. All prices include VAT.

Tuesday

11:00 – 23:00

from £200 min. spend

Per session

11:00 – 23:00

from £200

Note: Alcohol licence until 2:00. Extension available. All prices include VAT.

Wednesday

11:00 – 23:00

from £200 min. spend

Per session

11:00 – 23:00

from £200

Note: Alcohol licence until 2:00. Extension available. All prices include VAT.

Thursday

11:00 – 23:00

from £200 min. spend

Per session

11:00 – 23:00

from £200

Note: Alcohol licence until 2:00. Extension available. All prices include VAT.

Friday

9:00 – 0:00

from £200–£500 min. spend

Per session

9:00 – 17:00

from £200

Per session

17:00 – 0:00

from £500

Note: Alcohol licence until 2:00. Extension available. All prices include VAT.

Saturday

9:00 – 0:00

from £500 min. spend

Per session

9:00 – 17:00

from £500

Per session

17:00 – 0:00

from £500

Note: Alcohol licence until 2:00. Extension available. All prices include VAT.

Sunday

11:00 – 22:00

from £200 min. spend

Per session

11:00 – 22:00

from £200

Note: Alcohol licence until 2:00. Extension available. All prices include VAT.

Pricing updated by venue 2 days ago

Capacity

Standing

up to 100

Dining

up to 40

Theatre

up to 30

Boardroom

up to 30

U-Shaped

up to 30

Classroom

up to 30

Catering and drinks

Extensive vegan menu

Extensive vegetarian menu

Alcohol licence until 2:00 (extension available)

Facilities

Air conditioner

Paid parking facilities available nearby

Unavailable: Accommodation is available on-site

Music & sound equipment

Accessibility

Rules of the space

Allowed events

Age policy

Guests under 18 are not allowed after 20:00

Host rules

-No smoking in the building
-No external catering allowed
-No BYOB
-Under 18's allowed in the venue until 8pm

Cancellation policy: Standard 30 day

Show cancellation details

Reviews and ratings

(6 reviews and ratings - )

Verified reviews come from Tagvenue users. All reviews are checked by our team to uphold our trust and safety standards.

O'Neill's Trinity Street Cardiff is a #Supervenue

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Customers rated communication with this venue and their event experience as Superb

Response time: within couple of hours

Response rate: 95%

About O'Neill's Trinity Street Cardiff

O'Neill's Trinity Street Cardiff is a Trusted Tagvenue Partner, validated by the Tagvenue team with a record of successful bookings on the platform.