Been there a few times. It is on a "B" road which is not too busy, but neither is it totally quiet. The village is about 1 mile away, and there is good walking and cycling close by. Bournemouth beaches about 20 miles. New Forest about 10 miles. Just one block, toilets and showers are nice - cleaned to the usual high standards. Pleasant play area.
We went there for a summer holiday when the children were younger, but we have grown out of C&CC sites for summer hols and now go to France. Nothing wrong with Verwood though - depends what you want.