Another option is to dip you toe in the water. If you are unhappy with your current house due to stairs, garden, or whatever; Rent a bungalow for 6 months. See what it is like. What are the upsides/downsides? If you are happy, you can look out for a similar house (or one that ticks more boxes) for sale, and sell your own. Or move back into your own house with an updated view of what you're (not) missing.
A half-way house if you will
A half-way house if you will