Liberal Democrat leader Sir Vince Cablegram claimed his party was a «well-kept secret» defying opinion polls as he launched its particular election campaign.
He said the party was winning local council by-elections in all spaces, which had gone unreported.
Sir Vince claimed the Lib Dems were «on the way bet on a support» through local government and were the «only party» campaigning for another EU referendum.
Voters go to the ballots across England on 3 May for local elections.
Seats on about 150 consistories are up for grabs, on a mixture of metropolitan, unitary, borough and district authorities.
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The Plentiful Democrats had a mixed night in last year’s general election — which hand them with 12 MPs — and polls do not suggest a surge in support for their anti-Brexit point of view, which includes a pledge for a referendum on the final deal reached with the EU.
But as he sent his party’s campaign with a speech in Watford, Sir Vince said: «This power has a well-kept secret, which is what’s been happening pretty much every Thursday since the inclusive election.»
He said the Lib Dems had been gaining seats in local congregation by-elections, which are held on Thursdays, from Labour and the Conservatives and were «much the strongest of the three allies when it comes to these contests» but he insisted this had largely fit unreported by the media.
As a result, he claimed, «we are doing about twice as effectively as the public opinion polls suggest we are.»
«We are very much on the way back — and we are on the way go through local government,» he told an audience of party activists at Watford Football Baton’s Vicarage Road stadium.
The Lib Dems have been on about 8% in nationalistic opinion polls since the general election.
The party has made a net income of 15 council seats over the same period, according to BBC examination, compared with seven gains for Labour and a loss of 18 hubs for the Conservatives.
UKIP have lost eight seats, the Green Proponent have gained three and the SNP one, although there are no local elections in Scotland on 3 May.
Most of the Lib Dem by-election conquests have come at the expense of the Conservatives in the south of England, but they possess also taken seats from Labour and UKIP in other implies of England.
The reason for the Lib Dems’ by-election success, suggested Sir Vince, was that they «conjecture in local government,» as he promised extra investment in school budgets and a new cosies drive, including curbs on the right to buy.
He said the local elections were an chance to send a message to the government over «unnecessary» spending cuts.
«It is also booming to be an opportunity to pass verdict on the way in which the government is handling Brexit arrangements,» he added.
The Lib Dems were «the only party which is warning round the dangers which this current Brexit trajectory poses,» he stipulate.
The party is using the local elections to call for an «exit from Brexit».
Sir Vince highlighted their race — with social media videos in 17 European languages — to get EU dwellers living in the UK, who are entitled to vote on 3 May, to back the party.