An event venue with floor-to-ceiling windows, high vaulted ceilings, and leafy views at Trigonos.

Event Venue at Trigonos

Event Venue
·
Whole venue
Plas Baladeulyn, Nantlle, Caernarfon, LL54 6BW –
Llanllyfni
Up to 60
seats
Up to 75
standing
Venue offers catering
External catering not allowed

About this space

Our four event spaces are full of natural light, are on the ground floor and open directly onto a wonderful landscape. They accommodate from 10 to 35 people. Two additional break-out rooms for 6 to 8 people are also available. In addition to the indoor spaces, there are also two lawns, a walled garden, a woodland shelter and eighteen acres of estate to enjoy within the stunning backdrop of Eryri National Park.

Prices

Monday
8:00 – 18:00
from £125 hire fee
Per session
8:00 – 18:00
from £125 hire fee
Note: All prices include VAT.
Tuesday
8:00 – 18:00
from £125 hire fee
Per session
8:00 – 18:00
from £125 hire fee
Note: All prices include VAT.
Wednesday
8:00 – 18:00
from £125 hire fee
Per session
8:00 – 18:00
from £125 hire fee
Note: All prices include VAT.
Thursday
8:00 – 18:00
from £125 hire fee
Per session
8:00 – 18:00
from £125 hire fee
Note: All prices include VAT.
Friday
8:00 – 18:00
from £125 hire fee
Per session
8:00 – 18:00
from £125 hire fee
Note: All prices include VAT.
Saturday
8:00 – 18:00
from £125 hire fee
Per session
8:00 – 18:00
from £125 hire fee
Note: All prices include VAT.
Sunday
8:00 – 18:00
from £125 hire fee
Per session
8:00 – 18:00
from £125 hire fee
Note: All prices include VAT.
Pricing updated by venue 6 months ago

Capacity

Standing
up to 75
Dining
up to 35
Theatre
up to 60
Boardroom
up to 25
Cabaret
up to 20
U-Shaped
up to 25
Classroom
up to 40

Catering and drinks

In-house catering available
Halal menu
Extensive vegan menu
Extensive vegetarian menu
Extensive gluten-free menu
Complimentary water
Complimentary tea and coffee
British cuisine
No external catering allowed
Approved caterers only
No alcohol provided by the venue
BYO alcohol allowed
Corkage fee for BYO alcohol

Facilities

Wi-Fi available
Projector
Flatscreen TV
Whiteboard
Flipchart
Conference call facilities
Natural light
Storage space
Quiet space
Unavailable: Accommodation is available on-site
Unavailable: Free parking is available on-site (30 spaces)
Unavailable: Free on-street parking
Flower Garden
Lake
Woodland Shelter
Unavailable: PA system / speakers
Unavailable: Air conditioner
Unavailable: Photo equipment
Unavailable: Video equipment
Unavailable: Lighting equipment
Unavailable: Greenscreen
Unavailable: Backdrops
Unavailable: Dance floor
Unavailable: Soundproof
Unavailable: Mirrors

Music & sound equipment

Play your own music
Bring your own DJ
Space has noise restriction after 23:00

Accessibility

Wheelchair accessible
Accessible toilets
Ground level
Accessible parking spot available
Unavailable: Lift to all floors
Unavailable: Cargo lift

Rules of the space

Allowed events

No promoted and ticketed events allowed
No wedding licence
No temporary Event Notice (TENs) available

Host rules

No smoking in the building

Cancellation policy: Standard 30 day

Show cancellation details

About Trigonos

Trigonos is a Tagvenue Partner. This business has registered with Tagvenue and agreed to our venue partner standards.

Location

Location map

Meet your host

Matthew Jones
Member of Tagvenue since May 2025
100% Response rate

Contact venue managers directly on Tagvenue. Keep all event communication here for a secure, seamless booking.

UK > Trigonos > Event Venue

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