An event venue with floor-to-ceiling windows, high vaulted ceilings, and leafy views at Trigonos.
An event venue with vaulted ceilings, a large gable window, and a textured wall hanging at Trigonos.
An event venue with floor-to-ceiling windows, natural light, and mountain views at Trigonos.
An event venue with leather sofas, a fireplace, and large windows overlooking greenery 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.
Best price guarantee

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 Venue can organise food and drink
Halal menu
Extensive vegan menu
Extensive vegetarian menu
Extensive gluten-free menu
Complimentary water Complimentary refreshments (such as water, tea, or coffee) for guests at no extra cost
Complimentary tea and coffee
British cuisine
No external catering allowed
Approved caterers only
No alcohol provided by the venue
BYO alcohol allowed You can bring your own alcohol (corkage fee may apply)
Corkage fee for BYO alcohol

Facilities

Wi-Fi available
Projector
Flatscreen TV
Whiteboard
Flipchart
Conference call facilities Equipment for video or phone conferencing during your event
Natural light Room has windows or a skylight, so daylight comes in
Storage space Place where clients can store items during their event
Quiet space
Accommodation is available on-site On-site accommodation
Free parking is available on-site (30 spaces)
Free on-street parking
Flower Garden
Lake
Woodland Shelter
Unavailable: PA system / speakers
Unavailable: Air conditioner

Music & sound equipment

Play your own music Venue allows playing your own music
Bring your own DJ Venue allows bringing your own DJ instead
Space has noise restriction after 23:00

Accessibility

Wheelchair accessible Step-free access throughout the venue for wheelchair users
Accessible toilets Toilet(s) adapted for guests with disabilities
Ground level Guests can enter without using stairs
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
100% Response rate

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

UK > Trigonos > Event Venue

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