When you hear barn, your first thought may not necessarily be "luxury." But these three multi-million-dollar conversions in Mongomery County, Pa., might change your mind. They feature custom design finishes inside and sprawling grounds outside.

608 Robinson Lane, Haverford
$2,499,000

Monthly taxes: $2,194 
Tell me all about it: We love this four-bedroom Haverford home. The property was originally designed by legendary Philadelphia architect Frank Furness. Since then, the property has undergone two major renovations. Today it includes a custom gourmet kitchen and custom woodwork throughout the home. The master suite boasts a spa-like bath with soaking tub and lovely skylight. Outside is a saltwater pool and spa.

Courtesy of BHHS Fox & Roach
Courtesy of BHHS Fox & Roach

1233 Merrybrook Road, Worcester
$2,250,000
Monthly taxes: $1,518
Tell me all about it: This four-bedroom home is situated on more than five acres, featuring mature trees and landscaping, as well as several auxiliary buildings. Among them is a barn that has been converted to an oversized, high-end garage. The space can accommodate 10 cars and includes air conditioning, heating and a separate sprinkler system. The main house boasts a custom chef's kitchen and a large, walled deck.

1233 Merrybrook Road, Worcester, is on the market for $2,250,000.
Courtesy of BHHS Fox & Roach
1233 Merrybrook Road, Worcester, is on the market for $2,250,000.
Courtesy of BHHS Fox & Roach
Courtesy of BHHS Fox & Roach

1880 Cathedral Road, Huntingdon Valley
$1,399,000
Monthly taxes: $1,574
Tell me all about it: The fact that this four-bedroom home used to be a barn is immediately apparent inside, where the living room boasts original beams and a wood-burning fireplace. We also love the loft area overlooking the two-story living room. The property also features radiant-heated floors, a beautiful terrace overlooking a private pond and springhouse, and a large, first-floor laundry room.

1880 Cathedral Rd., Huntingdon Valley, is on the market for $1,399,000.
Courtesy of Kurfiss Sotheby's International Realty
1880 Cathedral Rd., Huntingdon Valley, is on the market for $1,399,000.
Courtesy of Kurfiss Sotheby's International Realty
Courtesy of Kurfiss Sotheby's International Realty