I got this this kalanchoe earlier in the year, it's always been in a room with little direct sunlight - except for a couple of weeks where I moved to a darker room for a month and it bloomed again.

I took 3 cuttings from it and it looks like they are doing ok on the window seal.

I I am a bit worried about the etiolated look of the main plant, and about the yellowing bottom leaves... This has started to happen to the cuttings as well!

xould it simply be lack of water? It was a very warm week in the UK, but I always try to underwater just in case, but I think it might have been hurting them a bit?

The main plant also looks really sad, I thought it would have got more new growth from where I got the cuttings, but it just looks really long and bare!

Anything I can do other than try to give it more sun? I have the most narrow window sill (about 5cm), and I can barely fit the cuttings there... I thought kalanchoe tolerated shade a bit better :(

Am I better off beheading the plant, and try to get new plants off the cuttings?

Thank you!