Newton House, Dinefwr
Carmarthenshire, Wales

Key facts
- Operator
- National Trust
- Condition
- Intact
- Access
- Staffed, ticketed
- Entry pass
- National Trust Explorer Pass
- Stays
- Overnight accommodation available
Pinpoint
Newton House, Llandeilo SA19 6RT
Telephone 01558 823902
Visitor essentials
- Parking
- Car park £6.00 per car (free for members, Wildlife Trust S&W Wales and Cadw); ~50 yards to Newton House; JustPark code 80561
- Access
- Level access to Newton House via front door; long level boardwalk to mill pond; lift; free Blue Badge parking in upper car park; some uneven ground
- Facilities
- Cafe, second-hand bookshop, kiosk, picnic area, toilets (adapted, baby change), car park
- Dogs
- Dogs on leads at all times; well-behaved dogs on short leads on ground floor of house; assistance dogs only in Deer Park/boardwalk (grazing livestock)
- Safety
- Some uneven ground; grazing deer and livestock in the parkland
Newton House is a Victorian Gothic remodelling of an earlier mansion, made over to resemble a French chateau and set within Dinefwr's medieval deer park. Reviewers enjoy the parkland setting most, with walking routes leading up to Dinefwr Castle within the grounds and views across the deer park from the house's upper floors. The basement level gets a specific mention as a cool retreat on hot days, and the site combines house, castle ruin and deer park into one visit.
Worth the trip
The medieval deer park itself, with Dinefwr Castle reachable on foot within the grounds and grazing deer throughout the parkland.
Before you go
Parking is chargeable separately from house entry (free for National Trust members), and the walk up to the castle ramparts is worth building into your visit alongside the house.
Reviewers consistently praise Newton House's combination of a well-preserved French chateau style Welsh manor with the adjoining Dinefwr Castle ruins and deer park, describing extensive, accessible walking routes between the two. Accessibility is specifically highlighted, with a lift to every floor of the house, level paths and marked accessible parking bays. Knowledgeable, friendly staff and volunteers feature repeatedly, including a memorable optical ghost picture pointed out on the stairs. Parking and house entry are separately chargeable for non-members, and reviewers advise following signposted village roads rather than satnav, which can direct visitors to the wrong car park.
Victorian Gothic-remodelled mansion set within a medieval deer park
“Took our dogs here for a quick stop and rendered to staying a couple of hours. Very dog friendly, with wonderful walks all around the house and woods. Will return to do more. Staff were enthusiastic, friendly and…”- Clive Jenkins, visitor review
Practical notes from visitors
Quoted from individual Google reviews, not verified with the operator - treat as a steer, not gospel, and check before you travel.
- Parking
- “Using Satnav, we arrived at a huge carpark, which may have been a former entrance to the estate and is a short drive from the main road.” - Anthony Hurdidge
- Terrain & accessibility
- “At first, we could only see three people, but he asked us to stand on a certain step and with it being a sunny day, we could make the "third child".” - Anthony Hurdidge
- Facilities
- “There was an outdoor cafe which is brilliant in good weather, and an indoor tearoom (though you have to pay the house admission to get into that).” - Peter Williams
Common questions about Newton House, Dinefwr
Where is Newton House, Dinefwr?
Newton House, Dinefwr is in Carmarthenshire, Wales, at Newton House, Llandeilo SA19 6RT.
Do you need a ticket to visit Newton House, Dinefwr?
Yes - Newton House, Dinefwr is a staffed, ticketed attraction run by National Trust. Ticket prices and opening hours change through the year, so check the official site before travelling.
Can you stay overnight at Newton House, Dinefwr?
Yes - Newton House, Dinefwr offers bookable accommodation, so you can spend the night in the stately home itself or within its grounds. See the Stately Homes You Can Sleep In guide for the full list and how each stay works.
Is Newton House, Dinefwr dog-friendly?
Visitor reviews suggest dogs are welcome at Newton House, Dinefwr - one reviewer noted: “Took our dogs here for a quick stop and rendered to staying a couple of h…”. Policies can vary between parts of a site and change over time, so confirm with the operator before visiting with a dog.
What is the highlight of visiting Newton House, Dinefwr?
The medieval deer park itself, with Dinefwr Castle reachable on foot within the grounds and grazing deer throughout the parkland.



