Conceal lighting and curtain rods in your plasterboard ceiling by allowing a void like Corben Architects have done here. Lennox Street House by Corben Architects.
Layout for long extension / Tree House by Susi Leeton Architects
The pantry is a good idea here at Hurlingham Road by De Rosee Sa
Bolton Residence by Nature Humaine. Modern vaulted ceiling in black and plywood with black cord lighting and crisp sharp detail.