Some £285 million of National Lottery money is to be put into the British film industry over the next five years.
The sum, which will be used to boost film production, was revealed in a new five-year plan issued by the British Film Institute (BFI).
Money will also be spent on increasing audience choice and education.
The plan, dubbed "New Horizons", sets out measures to increase the variety of films shown in cinemas, particularly outside central London.
According to the BFI, "only 7% of all cinema screens are regularly devoted to non-mainstream film" and these are mostly found in the capital and the south east.
However, BFI director Amanda Nevill said British film was "on a good wave at the moment".
"If you look at the last 10 years, the average market share for British films in cinemas has been about 6%. Last year it was 13%."
That can be attributed to the likes of Oscar-winner The King's Speech, sitcom spin-off The Inbetweeners Movie and the final instalment of the Harry Potter franchise.
This year has seen the likes of The Woman in Black and The Iron Lady, while the latest Bond film Skyfall is expected to be a big attraction in October.
Earlier this year, Prime Minister David Cameron said the British film industry needed to support "commercially successful pictures".
"We should aim even higher, building on the incredible success of recent years," he added.
Speaking on Radio Four's Today programme, Nevill stressed it was impossible to predict whether a film would be a hit at the funding stage.
"The thing about making films is its inherently risky. Nobody's yet come up with a great magic formula.
"The King's Speech is a good example. In the beginning, it found it quite difficult to find the funding to close the budget - and yet it captured the hearts and minds of people not just in Britain, but around the world."
The BFI took over funding responsibilities after the UK Film Council was abolished last year.
The organisation aims to invest £57m of Lottery money per year, with more than half of that devoted to "supporting British film".
This will be achieved through investing in development, production and skills.
The BFI's Film Fund, which puts money into production and development, will increase from £18m this year to £24m by 2017.
The organisation also plans to spend £17m on developing audiences and movie education, plus £3m on film heritage and restoration work.
Its report also supports the creation of an annual British Film Week, which was proposed by Lord Smith in his review of the industry in January.
The BFI's five-year strategy is open for public consultation for four weeks, and was drawn up after extended talks with the film industry.
BBC arts editor Will Gompertz said the report described itself as "'visionary yet highly practical', which sounds like an oxymoron".
He said: "In translation, it's addressing concerns of two key stakeholders - the film-making community, who want to see a dynamic, risk-taking approach to film funding; and the government, who've made it clear they want to see a more streamlined, populist approach to film funding."
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