I asked this sub for CC ideas last week and the top request was L-shaped sofas. Here they are! 2 new meshes and a recolour. Details and links in the comments. I
Furniture Stockton 102W Sectional Couch with Reversible Chaise Lounge in Beige Herringbone by Bush
Nuage sectional sofa cc sims 4 – Syboulette Custom Content for The Sims 4
Why can't we have L shaped sofas? Why? This drives me actually insane : r/thesims
The Sims Resource - Tuomo Sectional Sofa - L
The Sims Resource - Tuomo Sectional Sofa
Sectional Sofa Couch,Feather Filled Wide Reversible Sofa Chaise, L Shaped Sofa Couch Set with Storage Ottoman - Dark Blue - Walmart.com