The prime minister had three main aims in her much-trailed new year reshuffle.
May is expected to announce a reshuffle of her lower government ranks on Tuesday.
Theresa May was thwarted in a planned bid to reshape her top team as education secretary Justine Greening quit rather than switch to the work and pensions portfolio, and health secretary Jeremy Hunt was reported to have dug in after turning down the role of business secretary.
A chance to freshen up?
The Conservative leader indicated that she wanted to lead her party into the next general election in 2022 despite her disastrous decision to call a vote a year ago, in which she lost her vital majority.
Britain's Prime Minister Theresa May speaks on the BBC's Andrew Marr Show, in this photograph received via the BBC, in her Maidenhead constituency in Britain January 6, 2018.
"A prime minister who at Christmas was just looking politically a little bit stronger seems pretty much back to base camp again", Dr. Curtice remarked.
He said: "Politics is changing. We don't just need to fix it, I think we need to be really bold and set out what a 21st century Conservative party looks like".More news: Trump Boasts of 'Very Good Relationship' With North Korean Leader
Ostensibly, she maintains that a reshuffle was made necessary by the spate of resignations late past year of three ministers following separate scandals, including close ally and deputy Prime Minister Damian Green, who was forced to quit over misleading statements he made regarding pornography found on his office computer.
However new analysis by the Sutton Trust foundation finds that 34% of May's updated Cabinet received a private education, which is an increase from the 30% of ministers in her first Cabinet. However, he has been heavily criticised in his current position, with the NHS experiencing the worst delays on record previous year.
Britain's government is to undergo a reshuffle on Monday as Prime Minister Theresa May looks to reassert her authority following a string of high-profile departures, according to MPs. Steve Baker, a long-standing Eurosceptic MP and now a junior minister in David Davis's department, is thought to be the current favourite.
But the actual new chairman has been confirmed as Brandon Lewis, the MP for Great Yarmouth, who has moved from a ministerial position in the Home Office.
Key figures in Cabinet - the foreign Ministry, interior Ministry, Ministry of Finance and the Ministry of Brexit - will remain in place.
Scottish Tory leader Ruth Davidson tweeted: "Sorry to see @JustineGreening leave government - she brought her non-nonsense, northern accountant's eye to every brief and is a real role model for LGBT+ Conservatives".
As the new team gathered outside No 10 for a photo call - albeit a bit late - it at least demonstrated May's determination to put remaking her party on a par with tweaking the personnel in her cabinet on the first day of the new parliamentary term.