The second national lockdown will be lifted next week with a stricter tier system of coronavirus restrictions coming into force.
Members of the Newark Labour Women's branch and Unite Community staged the protest outside of Mr Jenrick's office on London Road.
The land, off Main Street, had permission for six flats when the family took over the site in September.
A council rocked by in-fighting is set to pursue an award scheme instead of following independent advice aimed at resolving issues.
Infection rates in Nottinghamshire are among the highest in the country and continue to rise rapidly.
The lockdown period will be for an initial 28 days, and has been delayed by 24 hours as it was supposed to come in Thursday.
The leader of Rushcliffe Borough Council said he had aimed to balance the importance of virus control, the economy and people’s wellbeing.
More than £650,000 has been set aside to cover the cost of feeding 22,000 eligible children.
The Labour group has called on Newark and Sherwood District Council to provide free meals to children who need them during the school holidays.
Robert Jenrick and Mark Spencer voted, along with all Tory MPs, not to extend free meals over the school holidays to Easter.
Two late councillors had given nearly 75 years' service between them to their parish.
Kay Cutts defeated Neil Clarke at today's Conservative Group annual meeting.
County councillor says he doesn't believe the evidence was there to support leader Kay Cutts' unitary authority proposal.
Speaking on the BBC's The Andrew Marr show, Robert Jenrick said the decision had been taken by another minister based on advice from civil servants.
