A pub function room with plaid carpet, wooden tables, and booth seating at O'Neill's Trinity Street Cardiff.

A pub function room with dark tiled walls, plaid carpet, wooden tables, and a leather bench at O'Neill's Trinity Street Cardiff.

A function room in a pub with wood tables, mixed seating, and plaid carpet at O'Neill's Trinity Street Cardiff.

An event space in a pub with booth seating, wooden tables, and a wall-mounted TV at O'Neill's Trinity Street Cardiff.

Downstairs Section at O'Neill's Trinity Street Cardiff

Function Room in a Pub

Semi-private area

About this space

The roped-off ground floor bar area holds 30–35 seated guests, or up to 40 standing.

The space is split across two sides, with booth seating and additional tables. It's a semi-private area for birthdays, after-work drinks, networking events, and celebrations.

The area includes multiple TVs (booth screens and two large wall screens), with an accessible toilet nearby. Buffet options and drinks packages are available.

Get in touch to discuss your event.

Offers and packages

Menus

Prices

Monday

11:00 – 23:00

from £5 per person

Per session

11:00 – 23:00

from £5

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

Tuesday

11:00 – 23:00

from £5 per person

Per session

11:00 – 23:00

from £5

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

Wednesday

11:00 – 23:00

from £5 per person

Per session

11:00 – 23:00

from £5

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

Thursday

11:00 – 0:00

from £5 per person

Per session

11:00 – 0:00

from £5

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

Friday

9:00 – 0:00

from £5 per person

Per session

9:00 – 0:00

from £5

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

Saturday

9:00 – 0:00

from £5 per person

Per session

9:00 – 0:00

from £5

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

Sunday

11:00 – 22:00

from £5 per person

Per session

11:00 – 22:00

from £5

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

Best price guarantee

Pricing updated by venue 3 months ago

Capacity

Standing

up to 40

Dining

up to 20

Catering and drinks

Venue can organise food and drink

Extensive vegan menu

Extensive vegetarian menu

Venue can supply alcoholic beverages

Facilities

Equipment for video or phone conferencing during your event

Air conditioner

Room has windows or a skylight, so daylight comes in

Paid parking facilities available nearby

Unavailable: Accommodation is available on-site

Music & sound equipment

Accessibility

Step-free access throughout the venue for wheelchair users

Toilet(s) adapted for guests with disabilities

Guests can enter without using stairs

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

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

#Supervenue program is based on our customers' feedback and highlights venues that are most dedicated to providing outstanding hospitality, customer service and event experience. Read more

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

Response time: within couple of hours

Response rate: 93%

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.