The uncertainty around Heathrow expansion and if, how, and when it will take place is putting life on hold for owners and occupiers in the shadow of potential major disruption/compulsory acquisition. Owners with occupiers who don’t want to commit other than on a short term basis need to think carefully now, if they are not doing so already, about how they build evidence of rents, lease terms, and investment values in an non-expansion world to support a valuation for CPO purposes”