cotswold trip: needed help and advice

It's the Cotswolds (like the Rockies), not Cotswold, next week looks pretty cold so I would leave it until spring

Welcome to the Forums, Mavic

do gardens, spring flowers, trees in leaf interest you?

Or would you prefer to see trees in the skeletal shape and a few still in colour?

Spring is from the end of March to the end of June - there will be dramatic differences. What did you mean by Spring?

The Cotswolds (with an "s", not one place) is quite large. Where specifically did you have in mind?

Plan is to come to moreton in marsh and then take the trip to other parts like snowshil, bourton on the water.
I like spring and winter

https://www.cotswoldstourism.org/cotswolds-weather/

Based on what you asked, it would appear that if you visited in April or May it would be warmer than the third week of November.

Do you plan to rent a car or try public transport.
Some on this side advocate public transport. Prior to our visit in 2017, I researched the use of public transportation. Rail service is very limited in the Cotswolds. I didn't find the use of public transpiration to be appealing.

Rent a car a Heathrow when you fly in, or if you like from Oxford.

We stated in Chipping Campden at the Volunteer Inn, and were very satisfied.

National Trust Places are mostly shutting or have shut for the winter.

Snowshill (a very interesting Place indeed) is weekends only now this month, last entry at 1:30 to the Manor, last entry to the property is at 2:30.

It will be open all week, until much later, in the Spring.

Because the daylight hours will be longer, I’d save the trip until spring. You also need to consider transportation options for the places you want to visit since some villages will be better served by public transportation than others.

thank you so much for all your answers this helped so much for the decision making right now