Norfolk County Council is weighing whether to mount a legal challenge against the Government's decision on how to draw the boundaries of three new unitary authorities, after councillors raised serious doubts about the proposed maps.

A committee member singled out the Fakenham area as a particular example where the proposed boundaries did not make geographic sense. Officers confirmed the Secretary of State had accepted the boundaries laid out in the three-unitary business case, and that the Boundary Commission would not carry out any review until after Vesting Day in April 2028.

The committee agreed to ask the council's Monitoring Officer for a written explanation of exactly where the legal authority to launch a judicial review would sit — with officers or with Full Council. No legal challenge has been started, and the council has so far only requested background information from the Secretary of State explaining how the 'minded to' decision was reached.

One potential grounds for challenge was raised during the meeting: all three proposed authorities would have populations below the 500,000 figure set out in Government guidance. Officers clarified that 500,000 was a threshold for guidance purposes rather than a hard rule, and that the Government had previously accepted lower figures in what it described as extraordinary circumstances.

Separately, the committee heard that Norfolk councils face a tight deadline to submit proposed warding arrangements to the Government by 29 May 2026. District councils are developing their proposals, and council leader Kay Mason Billig said the Norfolk Leaders Group had agreed to share that information as soon as possible.

The letter from the Secretary of State set out that the Greater Norwich City authority would have 63 councillors, East Norfolk 65, and West Norfolk 72 — but it remains unclear how many seats each existing district area would receive within those totals. Population variances mean some wards could cover around 8,000 people while others cover up to 10,000, and some divisions may have multiple councillors.

The committee also raised concerns about a democratic deficit in areas that are currently unparished, such as Norwich and King's Lynn, where local representation could be reduced under the new structure. Officers said community engagement requirements were included in all three business cases and that the forthcoming devolution statutory instrument for Norfolk and Suffolk might require neighbourhood area committees to be established.