But to add the most value, you should opt for a loft conversion, research from Nationwide reveals ... turning a three-bedroom terrace house into a four-bedroom adds 10 per cent to the price. But ...

An extension or loft conversion could add as much as 24% to the value of a typical home, analysis by Nationwide Building Society suggests. An extra bedroom can potentially add 13% to a typical ...

Adding an attic bedroom to a home can boost the value of the property by nearly a quarter, equating to an average increase of £65,700 on a typical three-bedroom house, according to research from ...