THE future of the 'Southern Powerhouse' is hanging in the balance after ministers moved to split up Hampshire's devolution deal.

Plans for a Hampshire and Isle of Wight super-council could be divided between north and south, wrecking proposals developed by 15 regional leaders.

The Government met Solent council bosses today to discuss a combined authority between Southampton, Portsmouth and Eastleigh, led by an elected mayor.

It has prompted Hampshire County Council boss Cllr Roy Perry to write to MPs warning that "dismembering" the county would be "little short of a disaster".

Cllr Perry, who led the 15-council bid, wrote: "I am asking for your support to help avert what I think would be little short of a disaster for the area, not just this great county, if a Solent proposal is pursued in this late and hurried manner.

Warning the move would hit council services and the economy, he said: "We have worked diligently, cooperatively and transparently in our efforts to secure a Combined Authority for Hampshire and the Isle of Wight which we remain convinced will be in the best interests of our citizens and this crucial part of the nation's economy."

Eastleigh MP Mims Davies said: "I think Hampshire works together well as a whole and that's where I feel it most promising.

"The most important thing is making sure that we get the best deal for Hampshire and these constructive discussions continue."

It follows a stall in negotiations over the idea of a Boris Johnson-style metro mayor, which many local leaders feel would cover too wide an area.

Council chiefs in north and mid Hampshire, including Winchester, the New Forest and Test Valley, were left in the dark about today's meeting with officials from the Treasury and Department for Communities and Local Government (DCLG).

It is understood the Government could offer them a separate devolution deal stretching further into north Hampshire.

Cllr Stephen Godfrey, leader of Winchester City Council, said: "I firmly believe that a united approach is the best way forward for the people of Winchester, who are well served by Hampshire County Council as part of a two tier authority structure."

A DCLG spokesman said: “The Government's devolution agenda offers a real opportunity for local areas to take greater control of their future - and we are discussing this with local partners across Hampshire and the Isle of Wight.

“We have always been clear this is a bottom-up process and there is no one-size-fits-all approach, with every deal bespoke and providing arrangements that are relevant to each local area.

“We look forward to continuing constructive discussions on devolution with local partners across Hampshire and the Isle of Wight as their proposals develop.”