One of Britain’s biggest housebuilders is exploring a £1bn takeover bid for Cala Group, a rival player in the sector which has been put up for sale.

Sky News has learned that Persimmon, which has a market value of £4.74bn, is leaning towards submitting an offer for Cala ahead of a bid deadline next week.

City sources said it would be a strong contender to buy Cala, whose homes have a significantly higher average sale price than those of Persimmon.

Insiders expect Cala, which is being auctioned by Legal & General (L&G), to command a price tag of about £1bn.

If Persimmon is successful in the auction, it would mark the York-based company’s biggest acquisition for years.

Under Roger Devlin, its chairman, and chief executive Dean Finch, the company’s share price has rallied by over 20% in the last year.

In a trading update last month, Persimmon said it was on track to deliver growth in new home completions this year to up to 10,500.

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The Cala auction comes amid a general election campaign in which new home provision is expected to figure prominently.

Both main parties are likely to set out new policies to stimulate housebuilding growth, according to sources.

Analysts said this weekend that other housebuilders were also expected to consider bids for the L&G-owned company.

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These could include, they said, Persimmon’s larger rival, Taylor Wimpey, and Avant Homes, which is owned by Elliott Advisors and Berkeley DeVeer.

Persimmon is the UK’s third-largest housebuilder by market capitalisation, behind Taylor Wimpey and Barratt Developments.

Both Persimmon and Taylor Wimpey were among eight housebuilders named by the Competition and Markets Authority in February over suspicions they had exchanged commercially sensitive information.

A takeover of Cala by another major housebuilder would underline fresh momentum in the industry’s consolidation, after Barratt Developments unveiled a £2.5bn deal to acquire rival Redrow.

The prospective sale of Cala represents the first significant strategic move by its new chief executive, Antonio Simoes.

Bankers at Rothschild are overseeing the auction.

Mr Simoes described Cala as “a very strong business” during an earnings call earlier this year on which he was quizzed about the housebuilder’s future ownership.

L&G took full control of the business in 2018.

Cala reported a slide in half-year profits last autumn, citing a “challenging market”.

The company has a long-term goal to build 3,000 homes annually.

Persimmon and L&G declined to comment on Saturday.