The medieval Pandy Inn is set in the heart of Dorstone conservation area.
Five letters of objection were received, concerned at insufficient parking, the effect the extension will have on neighbouring properties, drainage problems and the impact on Ancient Monument Site and integrity of inn..
Six letters in support were also received saying the pub was a vital part of Dorstone life and the works were needed to maintain its viability.
The application was approved, with conditions, at a meeting on Wednesday, October 10.