We will be open for public day visits on selected dates from March 2026 to September 2026.
6th June – 5th July – Open Weekends
16th July – 6th September – Open Daily
12th – 27th September – Open Weekends
St Mary’s Church will open from 1.30pm to 4.30pm each Sunday in July and August.
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.
Running from 25th June to 1st September 2026, we will be participating in the Great British Summer Savings Scheme.
VAT on admission tickets are temporarily reduced, helping families enjoy more affordable days out during the summer holidays.
| Ticket Types | Online Price | Gate Price |
|---|---|---|
| Single - Gardens & Park (Age 3 & over) | £13.60 | £14.50 |
| Family - Gardens & Park (4 People) | £50.75 | £54.25 |
| Adult - House, Gardens & Park (Age 17 - 64) | £19.70 | £20.60 |
| Senior - House, Gardens & Park (Age 65+) | £18.90 | £20.15 |
| Child - House, Gardens & Park (Age 3 - 16) | £18.90 | £20.15 |
| Family - House, Gardens & Park (4 People) | £75.25 | £78.75 |
Prices from 15th March – 21st June and 2nd September – 27th September 2026
| Ticket Types | Online Price | Gate Price |
|---|---|---|
| Single - Gardens & Park (Age 3 & over) | £15.50 | £16.50 |
| Family - Gardens & Park (4 People) | £58 | £62 |
| Single - 2026 Season Ticket (Age 3 & over) | £55 | - |
| 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.