Seems to be a missing street but Bing imagery is not good enough to map it correctly.
Needs to be ground surveyed.

Wrong roundabout:

This error is submitted from Navmii GPS.

How does the (presumably new) roundabout here interact with the pre-existing track (mapped as Gorleston Lane) on OSM?

Currently the two ways cross but aren't connected.

Missing speed limit:

This error is submitted from Navmii GPS.

Other:
Union street/anchor street change starts here
This error is submitted from Navmii GPS.

This is The Canoe Man and The Norfolk Broads Tourist Infomation and Activity Centre

According to http://www.edp24.co.uk/news/exposed_the_rogue_norwich_takeaway_still_taking_orders_even_though_it_has_closed_down_1_4495650 the Delhi Spice Indian Take-Away way/119741841 closed last month. Check on ground.

One way road:

This error is submitted from Navmii GPS.

Now A restaurant called Kindreds (OSM data version: 2016-06-20T05:57:02Z) #mapsme