Heathrow third runway GDP yield may be 90% less than original estimate
Department for Transport analysis suggests 0.05% boost will be offset by overall negative trade-off The economic boost from a Heathrow third runway could be a tiny fraction of previous estimates, government analysis shows, while the overall trade-off from the bigger…
By · June 19, 2026 · 1 min read
This article was originally published by
The Guardian World
and is republished here under license.
Department for Transport analysis suggests 0.05% boost will be offset by overall negative trade-off
The economic boost from a Heathrow third runway could be a tiny fraction of previous estimates, government analysis shows, while the overall trade-off from the bigger airport could set the UK back by as much as £62.5bn.
As ministers promised to speed up expansion of the London airport in the name of economic growth, documents prepared by the Department for Transport said the runway was expected to boost GDP by only up to 0.05% – 90% less than the 0.5% previously stated.
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