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Step inside 13 of the world's biggest mansions

The world's largest residences might just surprise you
Peter Grant Mansion: 65,000 sqft (6k sqm), Canada
Peter Grant Mansion: a huge renovation project
Lakshmi Vilas Palace: 100,000 sqft (9,290 sqm), India
Lakshmi Vilas Palace: a feast for the senses
Fairwater: 120,663 sqft (11.2k sqm), Australia
Fairwater: a prestigious pedigree
Biltmore Estate: 175,000 sqft (16.3k sqm), USA
Biltmore Estate: extravagant interiors
Wentworth Woodhouse: 250,000 sqft (23.2k sqm), UK
Wentworth Woodhouse, palatial proportions
Steinfels Estate: 260,000 sqft (24.2k sqm), Switzerland
Steinfels Estate: a celebrity homestead
Mannheim Palace: 645,835 sqft (60k sqm), Germany
Mannheim Palace: lavish interiors
Versailles: 721,206 sqft (67k sqm), France
Versailles: no expense spared
Buckingham Palace: 828,821 square feet (77k sqm), UK
Buckingham Palace: an emblem of the royal family
Quirinale Palace: 1.2 million sqft (110.4k sqm), Italy
Quirinale Palace: fit for royalty
Royal Palace of Caserta: 1.49 million sqft (138k sqm), Italy
Royal Palace of Caserta: amazing marble
Royal Palace of Madrid: 1.5 million sqft (135k sqm), Spain
Royal Palace of Madrid: velvet and gold
Hofburg Palace: 3.2 million sqft (300k sqm), Austria
Hofburg Palace: the heart of the Hapsburg empire
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pio3/Shutterstock

The world's largest residences might just surprise you

From opulent palaces to abandoned mansions, the world's largest homes showcase extraordinary architecture and immense wealth. Whether still inhabited or preserved as landmarks, these colossal residences offer a window into the lives of royalty, billionaires and luminaries spanning centuries and continents.

Click or scroll on to step inside some gigantic residential estates and discover their incredible histories and breathtaking interiors...

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Alexandra Upton

27 May 2025

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