Buy a changing bag for film processing.

Enlarging only needs heavy drapes and night outside. You can put exposed paper in double envelop and carry to bathroom. Not many people ever had dedicated darkroom in films day.

If you feel skin irration wear kitchen gloves with chemicals wet or dry, don't use gloves in kitchen afterwards.

Do not process in kitchen, bathrooms only. Read the hazard labels.

Google metol allergy I use phenodine developers instead most Ilford developers are phenodine