Heathrow to unveil shorter third runway plan in bid to cut costs

Proposal sees 300 metres cut from runway in effort to help reduce costs to 15bn, but opponents say move changes forecasted economic benefits

Heathrow is to unveil proposals for a shorter, cheaper third runway in a public consultation to help push its expansion plans through.

The airport will propose cutting 300 metres from the length of the northwestern runway, a scheme approved by the government following the Airports Commission process, in an attempt to cut costs.