Many of the Crinkle Crankle, Serpentine or Wavy walls in the country are in Suffolk.
This one isn't far from home, it's in the small town of Eye . A few others I know are in the villages of Bramfield, Bacton, and Easton and in Saxmundham town centre.
In Eye it is around Chandos Lodge

I was parked right by this one when I visited Bramfield church months ago. (The spots are rain on the lens)
There are now over 100 in Suffolk as they are still being built but many of the older ones have been Grade II Listed, so can't be altered.
These walls are actually cheaper to build than a long straight wall as they needed no pillars, buttresses or bracing and were better at reducing wind damage, some were built around kitchen gardens and those south facing used as protection for fruit trees grown against them
It's thought the idea may have been brought here by Dutch Engineers who arrived in the mid 1600's to sort out the drainage of the Fens, the Dutch called them slangenmuur or snake walls. At that time the word crink meant 'twisty'. Some references say that Crinkle Crankle are Suffolk Dialect words that have spread across the country.
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The words Crinkle Crankle are an example of Ablaut Reduplications!!
(....Ablaut reduplication, or ablaut-motivated compounding, is a type of word formation of "expressives" (such as onomatopoeia or ideophones), in which words are formed by reduplication of a base and alternation of the internal vowel.)
There's lots more about the walls and the words on wiki of course and as usual someone in Suffolk with plenty of time has compiled a list!
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Sue