A large historic stone building with a central courtyard, surrounded by trees and greenery. Outdoor tables and chairs are arranged in front, with parked vehicles nearby and a hillside forest in the background.
A bright, modern bedroom with a large bed covered in white linen, two bedside tables with lamps, a desk with a chair, and a window overlooking greenery. The decor is minimalist and clean.
A large historic stone building with symmetrical windows, a decorative arched entrance, and a crest above the door, set against a blue sky with scattered clouds.
A round table set for a formal event with white tablecloth, neatly folded white serviettes, glassware, cutlery, plates, a menu, and a gold candle holder centrepiece. White chairs with yellow sashes surround the table.
Curved staircase with a red carpet and wooden banister, set against red and beige walls. Ornate wooden furniture and framed pictures decorate the hall.
A bright, elegant room with wooden floors, cream walls, white chairs, dark tables, large windows with patterned curtains, framed art on the walls, and a patterned rug on the floor.

Newcastle House

  • Family friendly
  • Free to visit
  • Rainy days

Elegant Accommodation and Historic Charm at Newcastle House Longford

Newcastle House is a 440-year-old historic manor house in County Longford, set on the banks of the River Inny near Ballymahon and surrounded by parkland, woodland, and heritage estate grounds.

Why Stay Here

  • Rare historic manor with deep Irish heritage
  • Extensive estate offering nature, adventure, and relaxation
  • Ideal for families, weddings, and group stays
  • Unique blend of history, hospitality, and outdoor experiences

Newcastle House offers a landmark Longford stay — combining centuries of heritage, riverside beauty, and a wide range of countryside experiences on a remarkable historic estate.

Contact Details

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Accommodation
  • 16 en-suite guest bedrooms
  • Boutique, independently owned guesthouse
  • Historic character with modern comforts
  • Countryside views throughout the property
  • Ideal for relaxing stays and special breaks
Heritage & Setting
  • 16th-century manor with 440 years of history
  • Former King-Harman family residence (1800s)
  • Set within mature parkland and forest landscape
  • Located on a historic estate linked to Newcastle Demesne
  • Peaceful riverside setting on the River Inny
Dining
  • On-site restaurant serving home-cooked meals
  • Locally sourced Irish produce
  • Relaxed dining in a historic setting
  • Traditional hospitality experience
  • Seasonal menus and group dining options
Activities & Experiences
  • River Inny: canoeing, fishing, and rapids
  • Nearby horse riding and golf
  • Access to woodland walks and nature trails
  • Close to Royal Canal Greenway and Hidden Heartlands routes
  • Outdoor family and adventure activities

Family Adventures

  • Hosted Castlewood Holidays programme
  • Seasonal indoor and outdoor family activities
  • Curated short-break experiences for children and families
  • Nature-based learning and entertainment
Family Adventures
  • Hosted Castlewood Holidays programme
  • Seasonal indoor and outdoor family activities
  • Curated short-break experiences for children and families
  • Nature-based learning and entertainment
Events & Weddings
  • Ballroom venue for up to 120 guests
  • Cocktail bar and social spaces
  • Bridal suite in the historic main house
  • Scenic estate setting for weddings and celebrations
  • Dedicated event hosting services