Ludham Footpath 3 goes from Pound Lane as shown, but ends at the back of a property as you correctly state. There is however, no right of way from the field to Norwich Road as shown on the map.

Footpath 3 officially goes through the garden of Meadowside, and through the adjacent property Resthaven. No alternative change of route has been agreed, There is no public right of way through the area shown on the map to Norwich Road.

'Beaufort Lodge B&B' (OSM data version: 2017-02-15T16:20:03Z) #mapsme

Golden Triangle Dental Practice (OSM data version: 2017-03-06T16:48:02Z) #mapsme

Company here should be:

Mr Plastic Ltd
There address it:

Green’s Road
Yaxham Road Industrial Estate, Dereham
Norfolk
United Kingdom
NR20 3TG

Set to become a co-op I think:

http://www.insidermedia.com/insider/southeast/co-op-buys-surrey-budgens-stores

If someone local wants to check on this in a few months, that'd be great.

Felixstowe B&Q due to close at the start of 2016 according to the end of this Ipswich Star article: http://www.ipswichstar.co.uk/news/job_fears_as_b_q_superstore_near_asda_in_ipswich_announces_closure_1_4257561

Should be a public park here.

Park

According to the FSA Food Hygiene Ratings Database, there is a butcher, a post office, and a pub somewhere around here. None of them are currently mapped.