2026 Opening Dates
24th – 30th October 2026 – Open Daily (Gardens & Dinosaur Trail only)
2027 Opening Dates
20th – 21st March – First Open Weekend
26th March – 11th April – Open Daily
17th April – 23rd May – Open Weekends and Bank Holidays
29th May – 6th June – Open Daily
12th – 20th June – Open Weekends
26th June – 31st August – Open Daily
4th – 5th September – Last Open Weekend
Check our opening dates and times below as they can vary.
Select the day you would like to visit below to view the opening times.
| Ticket Types | Online Price | Gate Price |
|---|---|---|
| Single - Gardens & Park (Age 3 & over) | £15.50 | £16.50 |
| Family - Gardens & Park (4 People) | £58 | £62 |
| Single - 2027 Season Ticket (Age 3 & over) | - | - |
| Adult - House, Gardens & Park (Age 17 - 64) | £22.50 | £23.50 |
| Senior - House, Gardens & Park (Age 65+) | £21.50 | £23 |
| Child - House, Gardens & Park (Age 3 - 16) | £21.50 | £23 |
| Family - House, Gardens & Park (4 People) | £86 | £90 |
Historic Houses – On non-event days we offer Historic House members free access to Knebworth House, Gardens & Park. On Event Days Historic House members can still access the House free-of-charge but we ask members to purchase a ticket to the Gardens and Park.
RHS – RHS ‘primary’ members are welcome to access Knebworth Gardens and Park free-of-charge Monday – Friday, except on Bank Holidays.
Art Fund – We no longer accept Art Fund passes.Â
When using a Sat Nav please use the postcode SG1 2AX.Â
Well behaved dogs on leads are welcome in Knebworth Park only, and are not permitted in the House, Gardens, Dinosaur Trail or inside Fort Knebworth. Working assistance dogs may be taken into all areas.Â
Please note we reserve the right to close any aspect of the attraction at any given time.