National Lottery Open Week runs from Saturday 7th - Sunday 15th March 2026 and as a thank you to players, they are giving free entry, discounts and offers at some of our greatest historical houses, castles and museums.

Anyone who visits a participating National Lottery supported project and shows a National Lottery Ticket, Instant Win Game, or Scratchcard (physical or digital) during National Lottery Open Week is able to take up the special offer.

To see which venues in Dorset are participating, please see below.

BROWNSEA ISLAND

Offer: FREE ENTRY! (Ferry costs still apply)
Date: Saturday 14th March 2026
Address: Brownsea Island, Poole Harbour, Poole, Dorset

KINGSTON LACY

Offer: FREE ENTRY!
Dates: Saturday 7th – Saturday 14th March 2026
Address: Kingston Lacy, Wimborne, Dorset, BH21 4EA

CORFE CASTLE

Offer: FREE ENTRY!
Dates: Saturday 7th – Saturday 14th March 2026
Address: Corfe Castle, The Square, Corfe Castle, Dorset

RUSSELL-COTES MUSEUM & ART GALLERY

Offer: FREE ENTRY!
Date: Wednesday 11th March 2026
Address: Russell-Cotes Museum & Art Gallery, West Cliff Promenade, Bournemouth, Dorset, BH1 3AA

HIGHCLIFFE CASTLE

Offer: 40% off Admission
Date: Saturday 7th – Sunday 15th March 2026
Address: Highcliffe Castle, Rothesay Drive, Highcliffe, Dorset, BH23 4LE

If you would like to venture out of Dorset then you’ll be please to know that the offer also includes NT Montpesson House, NT Mottisfont, NT Stourhead and Portsmouth Historic Dockyard.

For more information and to view all UK participating properties, please visit the National Lottery.