A 10% higher rate in local primary school performance adds more to property value than a second bathroom, according to the Nationwide Buildling Society.

However, it is less valuable than a 10% increase in floor area. Other more substantial improvements, such as a loft conversion, can add as much as 20% to a property’s value.

Martin Gahbauer, Nationwide’s chief economist, said: “Following recent revelations around the lengths that some parents are prepared to go to get their child a place at a good school