The Observatory Science Centre
About
The Observatory Science Centre in Herstmonceux Castle Estate offers an engaging blend of historic telescopes, a state‑of‑the‑art planetarium and over 100 hands‑on exhibits that explore astronomy, physics and Earth science. Visitors can walk around the domes of the Royal Greenwich Observatory, explore interactive displays, watch live star‑watching programmes or attend themed evenings. The centre is open for daytime visits on Saturdays and Sundays from 10:00 to 16:00 during the 2025 season, with weekday openings added gradually. Pre‑booking is required for most events, but walk‑through admission is available for general visits on opening days. Children 0‑3 and carers enter for free, making it a family‑friendly destination for curious minds of all ages.
Highlights
- Historic Telescopes
- Planetarium Dome
- Interactive Exhibits
- Quiet Sessions
Must-See Areas
Good to Know
Good for
Pros & Cons
What visitors love
- Free Child Admission
- Engaging Exhibits
- Accessible Site
- Stargazing Evenings
Things to consider
- Limited Seating on Busy Evenings
- Short Saturday/Sunday Hours
- Pre‑booking Required for Events
- Weather Dependent
What people are saying
Tickets & pricing
Adult
£11.50
Senior
£10.50
Child
£9.50
Carer
£0.00
Infant
£0.00