Definitely the coast at this time of year when the wind is blowing from the north East. Just look at the bids reported in the past week at places like Gibraltar Point - Donna Nook/Pyes Hall. North Norfolk has also been good
If you register for their newsletter on the BirdGuides website you can see from their constantly updated map what is about all over the country. (
http://www.birdguides.com) Then click on log in and then register. The map is free as long as you take their newsletter but some of their other services have a subscription associated with them. It is a handy tool
Your trouble will be that the wind is changing direction and that the weather is awful at present. It could mean the end of the really good birding
Redwing shouldn't be hard to find at present. There has been literally hundreds if not thousands this week
Hope that helps and best wishes for your op