© iStock

Belvoir Castle, England - Belvoir Castle has been the ancestral home of the Dukes of Rutland for over 900 years, but they have 14 luxury rooms available if you book your wedding or special event there.

© iStock

Balmoral Castle, Scotland - You can't stay in the actual castle itself, but Balmoral has five individual cottages where visitors can enjoy a relaxing stay and take beautiful walks around the Royal estate.

© iStock

Hever Castle, England - Hever Castle has a luxury set of 28 bedrooms in its Astor and Anne Boleyn wings, in tribute to King Henry VIII's second wife, who spent part of her childhood there.

© iStock

Durham Castle, England - This impressive UNESCO World Heritage site is part of University College Durham, but has B&B rooms that are available during the University holidays.

© iStock

Lumley Castle, England -

Lumley Castle served as another outpost of University College Durham up until the 1960s. Today it's a 73-bedroom luxury hotel, but hasn't lost its University ties. 

© Shutterstock

Dover Castle, England - The walls of Dover Castle have watched proudly over the UK's southern coast for the past 900 years. Peverell's Tower is a 13th-century structure with modern interiors and spectacular views of the castle from its rooftop terrace.

© iStock

Castle Leslie Estate, Ireland -

Owned by the Leslie family since the mid 1600s, Castle Leslie is one of the last great castles of Ireland. In more recent times, it hosted Paul McCartney's wedding to Heather Mills back in 2002, and now has over 20 exquisite rooms available for guests.

© Getty Images

Peckforton Castle, England -

This 19th-century Grade I listed castle has its own hotel, which offers 48 decadent rooms for guests. Some even boast four-poster beds, and all include luxurious and original features.

© Shutterstock

Thornbury Castle, England -

Thornbury Castle is a 16th-century structure that was built for the 3rd Duke of Buckingham until his cousin, King Henry VIII, beheaded him and took the property for himself. Here you can spend a night in the same bedchamber where the King and Anne Boleyn slept in 1535!

© Shutterstock

Langley Castle, England -

This 14th-century castle offers nine rooms inside the castle itself and a further 18 on the grounds.

© Getty Images

Amberley Castle, England -

This 12th-century castle suffered huge damages under the orders of Cromwell during the English Civil War, after which it underwent many renovations until 1989, when it became a luxury hotel.

© Shutterstock

Oxford Castle, England - Though Oxford Castle itself is partially ruined, it is possible to stay in its former prison wing!

© iStock

Ruthin Castle, England - Over the years this 13th-century castle has passed through Welsh and English hands, between barons and royalty in the 17th century, to socialites and great figures in the 20th. 

© iStock

Sudeley Castle, England - King Henry VIII's last wife, Katherine Parr, is buried in the gardens of this 15th-century castle. The private property has a range of cottages, which enjoy unparalleled views of the spectacular surroundings.

© iStock

Ackergill Tower Castle, Scotland -

The imposing granite walls of Ackergill Tower Castle have stood overlooking Sinclair bay for more than 600 years, and today serve as a stunning backdrop for weddings and other private events. 

© Shutterstock

Barcaldine Castle, Scotland -

Built by Sir Duncan Campbell in the 1600s, the tower house castle, which is also known as the Black Castle, looks out over Glencoe's stunning snow-dusted peaks. Today it is run as a popular B&B and wedding destination.

© Shutterstock

Dalhousie Castle Hotel, Scotland -

Dalhousie Castle has welcomed many distinguished guests over the past 700 years, including King Edward I and Queen Victoria. It boasts 29 guest bedrooms all connected by winding stairways and secret passageways.

© Shutterstock

Dornoch Castle, Scotland - A 16th-century structure that underwent many renovations in the 1920s, Dornoch Castle has been operating as a hotel since 1947.

© iStock

Markree Castle, Ireland -

Markree Castle, whose current structure dates back to the 17th-century, was the ancestral home of the Coopers until 2015. It is now run as a luxury hotel and wedding venue, set on a stunning 300-acre estate.

© Shutterstock

Taunton Castle, England -

The Castle Hotel at Taunton has welcomed visitors since the 12th century. The former Norman fortress offers 44 bedrooms in addition to conference spaces, elegant wedding reception facilities, and two restaurants.

See also: Scotland's most haunted castles

© Shutterstock