Heritage Open Days returns from September 11 to 20, opening the doors to historic landmarks, hidden spaces, and grand estates across West Yorkshire completely free of charge.
While every event in the festival is free to attend, the most sought-after behind-the-scenes tours, creative workshops, and grand estate openings require advance pre-booking - with places filling up fast via the official Heritage Open Days website, or for those English Heritage sites, direct through the English Heritage website (with the chance to sign up for an annual membership, too.)
Whether you want to explore secret city-centre archives, climb historic towers, or wander through 18th-century parklands, here are 11 standout Yorkshire events to book this month.
7. Nostell (18–19 Sep 2026)
Explore 300 acres of landscaped parkland, a grand 18th-century treasure house, and world-class Chippendale furniture for free during the festival weekend. 🏰 Nostell, Wakefield
8. East Riddlesden Hall (12–13 Sep 2026)
Step inside this atmospheric 17th-century manor house and peaceful walled gardens to discover centuries of West Yorkshire history. 🏰 Keighley, West Yorkshire, BD20 5EL
9. Hardcastle Crags & Gibson Mill (11–20 Sep 2026)
Tour a 100% off-grid 19th-century cotton mill nestled deep in a wooded valley, featuring five floors of industrial history and woodland paths. 🏰 Hebden Bridge, West Yorkshire, HX7 7AP
10. Conisbrough Castle (12 & 19 Sep 2026)
Climb the 800-year-old stone keep for medieval re-enactments and sweeping valley views during special open access days. 🏰 Conisbrough, South/West Yorkshire border, DN12 3BU
11. Byland Abbey (18–20 Sep 2026)
Take a guided tour around the soaring medieval ruins and grand arches of one of England's most impressive Cistercian monasteries. 🏰 Coxwold / North Yorkshire border, YO64 4BD