Framingham is also a good recommendation.
mjr wrote:Kersey is just one of dozens of similar-looking East Anglian villages and that awful unnecessarily-hostile-to-cycling road more than negates the pretty view IMO.
Happily, the main village is also not "on the way" between Boxford and Hadleigh, or even Boxford and Kersey Mill. Don't turn down Church Hill and instead do what cycle.travel suggests: keep going along Mill Lane, then enter Hadleigh on the A road which isn't very busy and has a 40mph limit. Your bike, your brakes and your knees will thank you!
Knees? Coming from Boxford, & Cox Hill, you are going down the hill to the ford. And it's relatively flat leaving Kersey that way. I don't remember a hill, but there might be a small one. I've not encountered any roads in the area that are "awful unnecessarily-hostile-to-cycling", except maybe the A1071.
As for Stone Street A1141 (I think that what you meant?), busy depends on time of day. It can be very busy at peak times, and there are some businesses along there with associated vehicles. Also, I would rather cross the A1071 at Aldham Mill Hill. The hill is bigger going that way, and it's a little longer, but I think it would still be my choice.
But a difference of opinion about whether Kersey is worth cycling through is hardly worth arguing about. I'm sure the OP can decide how many picturesque Suffolk village to cycle through.

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