In a "mullet home," the facade adheres to the neighborhood vernacular, while the interior and rear facades are bolder and more modern.

Here are 10 mullet homes where the contemporary hides behind conservative fronts.

1) A Renovated 19th-Century Cedar-Shingled Home

D.C. architect Robert Gurney renovated this 19th-century home in the coastal city of Lewes in Delaware, and restored the facade with cedar shingles.

2) An Updated Foursquare With a Fifth Addition

Built in 1910, this American Foursquare-style home in Portland, Oregon was transformed into a light filled home by LEVER Architecture with an addition of a “fifth square” in the form of a modern glass box.

3) A Refreshed Prefab Brewer’s Cottage

Architects David Nicholson and Brett Robertson of Robert Nichol & Sons had to abide by strict heritage regulations when they renovated this 1850s prefab timber cottage in Melbourne.

4) An Arts and Crafts-Style House with a Modernized Rear

When New South Wales practice TRIBE Studio Architects renovated this 1930s Arts and Crafts-style bungalow in Sydney, Australia, they kept the gabled brick wall and terracotta roof, suburban vernacular in the front, but revamped the rear with a fully glazed wall to better connect it to the garden.

5) A Home in Estoril With Fully Transformed Interiors

Portuguese architect Ricardo Moreno overhauled the interiors of this old, 1923 house in Estoril, which serves as his family home, but preserved its historic facade.

6) A New Rear Extension For an Edwardian Cottage

Designed by Sheri Haby Architects, this Edwardian timber home in the Melbourne suburb of Sandringham has a new extension with two new gabled roofs that better connect the updated rear section with the garden.

7) A Bright and Breezy Brick House

Mexico City–based Dosa Studio redesigned this 40-year-old residence on a main road in Texcoco, Mexico, with two interior courtyards that increase space, light, ventilation and privacy.

8) A Victorian Cottage With a Neon Pink Corridor

This semi-detached Victorian cottage in Melbourne by architect Michael Artemenko, co-director of FIGR Architecture Studio, has a portal-like corridor that connects the original period home to a new wing.

9) A Double-Height Spanish Apartment With Floating Stairs

Spanish architecture firm RÄS Studio (now CRÜ) connected two formerly separate levels within a building in the historic neighborhood of Vila de Gràcia in Barcelona, turning the combined spaces into a stunning contemporary apartment with a floating staircase.

10) A Propeller Factory Conversion

New York City architecture and interior design firm Fogarty Finger converted this former propeller factory in Jersey City into a stylish, modern home that references its industrial past.