What nest is this?

What nest is this?

Observation - What nest is this? - UK and Ireland. Description: Pruning a Buddleia recently I came across this nest. It appears to be made of coir from hanging baskets (10 metres away) and wool (available caught up on barbed wire in fields about 3 - 500 metres away) . Any suggestions what made this? My guess is a D

Pruning a Buddleia recently I came across this nest. It appears to be made of coir from hanging baskets (10 metres away) and wool (available caught up on barbed wire in fields about 3 - 500 metres away) . Any suggestions what made this? My guess is a Dunnock.