Built-in bookcases and desk.  Seems relatively easy to make.  Bibliothèque et bureau sur mesure.  Semble assez simple à construire.

Lambeth Marsh House

square wall panels - The wonderful Lambeth Marsh House conversion by Fraher Architects

All in white/lulu klein

Wall paneling is an interesting idea to create modern interior. You can choose any color and style.

Farrow & Ball Cornforth white + Wimborne white panelling

1920s mock-Tudor Surrey home

Cozy nook under a roof slope with a wooden chair, some wool blankets and pillows. We love the pink wall and the white wall paneling.

Bent plywood eames chair by architectural seating nook with decorative molding

10 Beautiful Rooms - Mad About The House

10 Beautiful Rooms

black industrial lights with black wall in modern barn house with white walls and mismatched white chairs. / via / victoria smith