In England, the swing from Labour to the Conservatives is around 7% while in Wales it's at 5%.
All the results were expected later on Friday, but at noon, the Conservatives had control of 10 authorities and 786 seats, a net gain of 215.
At the 2015 general election, Ukip won 3.8 million votes, 12.6 per cent of the total, but Sky News' election analyst Michael Thrasher now predicts Ukip's share of the national vote could fall as low as three per cent on 8 June.
Plaid Cymru had 177 councillors and is fielding 549 candidates while the Tories held 103 seats and have put 621 names on ballots across the country.
Senior allies to Corbyn have frequently blamed the media for Labour's struggles in the polls, and some activists have booed journalists at party events, and the shadow chancellor renewed the criticism today.
The prime minister says she offers the most stable leadership to take Britain through two years of tough Brexit negotiations, and she took aim at Brussels on the eve of the local elections.
May has accused European Union officials of seeking to affect the outcome of the election by issuing threats over Brexit, and warned voters that the other 27 member states were lining up against Britain to win a deal that "works for them".
Many Eurosceptic voters are now backing the Tories.
Political scientist John Curtice told the BBC that the result meant Ukip have lost "everything they've been trying to defend".
As the local and mayoral election results roll in, some clear patterns are already emerging.
Labour lost control of Blaenau Gwent and Bridgend.
Overnight, the party has yet to trouble the scorers, failing to win a single seat in a set of elections that saw it make dramatic victories last time around.
But considering they have high hopes of Cambridge in the general election, it was Labour, which controls the city council, which did well there.
A SEA of blue swept over Essex as the Conservative Party increased their majority following the county council elections.
Residents living in 88 local authorities across England, Scotland and Wales took to the polls on Thursday, with results declared on Friday indicating a boost for Theresa May ahead of next month's General Election.
As the first results began to trickle in after Thursday's vote, shadow global trade secretary Barry Gardiner said: "It's never good to hear that we are losing seats".
The Conservatives have made gains while nearly all the other parties have lost ground.
Welsh assembly member Vaughan Gething said: " On the doorstep there's obviously mixed messaging about Jeremy Corbyn and there's no point us soft-soaping that or trying to tell you that isn't happening.
And Steven Woolfe, the independent MEP and former Ukip leadership candidate, said the results showed it was the "end of the significant influence" of the party.