Newton House Dinefwr - National Trust
Newton House Dinefwr - National Trust has 3 meeting/event spaces for 40–50 delegates (theatre), largest: Drawing Room (50).
- Up to 120 delegates
- 3 meeting spaces
- On-site parking
1 photosPhotography pending verificationCapacity overview
3 spaces · capacities by layout · floor area in m²
| Room | Theatre | Cabaret | Boardroom | Classroom | U-shape | Banquet | Reception | m² |
|---|---|---|---|---|---|---|---|---|
| Drawing Room | 50 | — | 20 | 30 | 25 | — | — | 45 |
| Billiard Room | 40 | — | 16 | 25 | 20 | — | — | 35 |
| Dining Room | — | — | 18 | — | 22 | — | — | 40 |
At a glance
Newton House is an elegant Georgian mansion set within the spectacular 800-acre Dinefwr Park, home to ancient White Park cattle and deer herds. This National Trust property offers unique event spaces including the grand Drawing Room and Billiard Room, perfect for weddings, corporate events, and private celebrations. The house boasts original period features, beautiful grounds, and breathtaking views of the medieval Dinefwr Castle ruins. Located in the heart of Carmarthenshire, guests can explore the nature reserve, historic parkland designed by Capability Brown, and enjoy the peaceful Welsh countryside setting.
Best suited for
- Weddings
- Corporate Events
- Private Dining
- Educational Visits
- Heritage Tours
Why book with us?
- Independent venue sourcing
- Free to event organisers
- Access to negotiated rates
- Alternative venues included
- Human expert support
Know before you book
Provenance shown for every factMeeting spaces at this venue



Pricing & packages
Exact rates are confirmed on your proposal — our experts negotiate on your behalf.
Meeting room, equipment, lunch & refreshments.
Half day, full day and evening rates available on request.
Bespoke menus and exclusive-use packages for private events.
Food & catering
- Restaurant on site
- Bar on site
Dietary options catered for
Top facilities
- Historic Architecture
- Deer Park
- Castle Views
- Period Features
- Grounds Access
- Parking
- Catering Kitchen
- Wedding Licensed
AV & production
Accessibility
Always confirm specific access requirements with our team — we check on your behalf.
- Wheelchair accessible
- Step-free access to ground floor
- Accessible parking available
Location & getting there
Newton House, Llandeilo, Llandeilo, SA19 6RT, United Kingdom
Venue Intelligence™
Every rating below is computed from verified platform data — never marketing copy.
Newton House Dinefwr - National Trust is a verified historic house & event venue in Llandeilo, hosting up to 120 guests. Its profile rates most strongly for Historic, Accessibility. Verified on-site: food & catering, accessibility. Best suited to memorable events in a heritage setting.
Best for: memorable events in a heritage setting, fully accessible events.
AV and hybrid-event facilities are not yet evidenced in the profile data. Sustainability credentials are not yet evidenced in the profile data.
Venue profile ratings
- Corporate★★★★★
- Luxury★★★★★
- Historic★★★★★
- Creative★★★★★
- Eco★★★★★
- Hybrid Ready★★★★★
- Networking★★★★★
- Training★★★★★
- International★★★★★
- Accessibility★★★★★
Verified on-site
- Wi-FiNot listed
- AV & productionNot listed
- Food & catering✓ Verified
- BedroomsNot listed
- SustainabilityNot listed
- Accessibility✓ Verified
Venue IQ™
A living intelligence record — every entry is generated from verified platform data, not marketing copy.
- Oct 2025Venue verified and listed
Added to the InternationalVenues.com verified directory.
- Oct 2025Quality score 90/100
Top-tier data completeness — capacities, facilities and access verified.
Frequently asked
How many meeting rooms does Newton House Dinefwr - National Trust have?
Newton House Dinefwr - National Trust has 3 meeting and event spaces in Llandeilo, seating up to 50 delegates theatre-style in the largest room.
What is the capacity of Newton House Dinefwr - National Trust's largest event space?
The largest event space at Newton House Dinefwr - National Trust is Drawing Room, with a maximum capacity of 50 guests.
What conference facilities does Newton House Dinefwr - National Trust offer?
Newton House Dinefwr - National Trust offers Historic Architecture, Deer Park, Castle Views, Period Features, Basic lighting, portable PA system available on request across its 3 meeting and event spaces.
What is the maximum capacity?
Up to 120 guests for events, smaller intimate rooms available for 20-40 guests
What AV equipment is available?
Basic AV equipment available, external suppliers recommended for complex requirements
Is catering available?
In-house catering team providing locally sourced Welsh cuisine, dietary requirements accommodated
Is there parking available?
Free parking available on-site for guests, coach parking by arrangement
About Newton House Dinefwr - National Trust
Newton House is an elegant Georgian mansion set within the spectacular 800-acre Dinefwr Park, home to ancient White Park cattle and deer herds. This National Trust property offers unique event spaces including the grand Drawing Room and Billiard Room, perfect for weddings, corporate events, and private celebrations. The house boasts original period features, beautiful grounds, and breathtaking views of the medieval Dinefwr Castle ruins. Located in the heart of Carmarthenshire, guests can explore the nature reserve, historic parkland designed by Capability Brown, and enjoy the peaceful Welsh countryside setting.
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