The federal government has mentioned £440m has been discovered so about 600,000 extra premises can achieve entry to superfast broadband.
The money comes from “effectivity financial savings” and cash returned by BT as a part of the federal government’s flagship broadband rollout scheme.
Tradition Secretary Karen Bradley mentioned the funds would assist to convey sooner speeds to houses and companies in a number of the most distant components of the UK.
Specialists mentioned it was not all “new cash” however would nonetheless be welcomed.
The money might be made up of £150m in value financial savings and the remaining within the type of returned subsidies from BT, the federal government mentioned.
Underneath a 2010 deal, the federal government paid BT to roll out superfast broadband in hard-to-reach areas the place suppliers had mentioned it was not cost-effective to put in broadband infrastructure.
As a part of the settlement, if greater than 20% of premises in these areas purchased superfast broadband, BT needed to repay a number of the subsidy.
On common, the take-up has been 30.6%, resulting in a forecast reimbursement of £292m, the Division for Tradition, Media and Sport mentioned.
Evaluation: BBC expertise correspondent Rory Cellan-Jones
There are two views of the programme to roll out superfast broadband to locations which could not be reached by the market.
To the federal government and BT it is that uncommon factor, a public/personal partnership which is definitely going to return in underneath price range and ship greater than was promised.
To its critics, the Broadband Supply UK undertaking has seen an overbearing monopoly handed enormous sums of public cash with little democratic accountability, and the result’s that the UK has been given solely a semi-fast community which isn’t future-proof.
However after some early stumbles, BT does look prone to meet the goal of placing 95% of houses inside attain of superfast broadband by 2017 – and this new funding might imply that 97% are reached by 2020.
The programme is doing what it promised – and the UK is forward of different main European international locations in rolling out superfast broadband.
Ah, say the critics, however provided that you assume a broadband connection that also makes its last journey into houses through a copper wire is superfast. For those who’re taking a look at fibre direct into the house – one thing even the federal government says ought to now be seen because the gold customary for broadband – the UK remains to be within the gradual lane.
The prospects for these folks nonetheless ready for any type of respectable connection have brightened barely – however the row continues over what sort of broadband community will make the UK match for the long run.
‘Not new cash’
The additional funds might be spent in all areas of the nation via the Broadband Supply UK scheme.
Ministers arrange the programme in order that by the top of subsequent yr 95% of UK premises would be capable of purchase superfast broadband – outlined as 24Mbps. Such speeds allow households to stream TV on a number of gadgets on the identical time.
The additional funds are designed to achieve the remaining 5% of the UK and enhance speeds the place protection is patchy.
“The important thing level is this isn’t £440m of recent cash,” mentioned Andrew Ferguson, shopper telecoms skilled at Suppose Broadband.
Of the £292m to be returned by BT, the corporate has already introduced about £150m, he mentioned.
Nonetheless, whatever the supply of the funds, extra money going into infrastructure is “excellent news”, he mentioned.
“The tempo of broadband rollout would not essentially match what everybody needs and households aren’t essentially getting as a lot info as they want,” he added.
The corporate has faced criticism for the velocity of the rollout and the standard of the broadband protection.
Nevertheless, the federal government and BT mentioned it was a “win-win” in that extra households have been taking it up, triggering clawback funds that might assist different premises entry sooner broadband speeds.
“We’re delighted that the success and effectivity of our supply will imply lots of of 1000’s extra houses and enterprise might get sooner broadband than initially anticipated,” a BT spokesman mentioned.
The federal government has not set a timeline for when the 600,000 premises will profit.
It comes after Chancellor Philip Hammond introduced £1.14bn in authorities funds in final month’s Autumn Assertion to enhance fibre broadband and develop 5G.