Wall-to-wall carpets would be a welcome addition which would make rooms more home-like and comfortable.
(Wall-to-wall carpets; would be; a welcome addition which would make rooms more home-like and comfortable) (a welcome addition; would make; rooms more home-like and comfortable)
Wall-to-wall carpets a welcome addition
would be would make
a welcome addition which would make rooms more home-like and comfortable
rooms more home-like and comfortable