Grendon Underwood is located in the county of Buckinghamshire, South East England, six miles east of the town of Bicester, 14 miles north-east of the major city of Oxford, and 45 miles north-west of London. Grendon Underwood lies three miles north-east of the Oxfordshire border. Grendon Underwood falls within the district council of Aylesbury Vale, under the county council of Buckinghamshire. It is in the HP18 postcode district. The post town for Grendon Underwood is Aylesbury.
Grendon Underwood is in the ceremonial county of Buckinghamshire, the historic county of Buckinghamshire, and the administrative county of Buckinghamshire.
Grendon Underwood is situated roughly centrally between the southernmost and northernmost extremities of Buckinghamshire, and towards the westernmost extremity of Buckinghamshire.
The nearest postcode to the centre of Grendon Underwood is HP18 0SW.
Grendon Underwood is situated towards the northernmost extremity of the HP18 postcode district, and roughly centrally between the easternmost and westernmost extremities of the HP18 postcode district.
Postal Boundaries © GEOLYTIX copyright and database right 2012
The post town for Grendon Underwood is Aylesbury. Grendon Underwood is in the HP18 postcode district, which corresponds to the post town of Aylesbury.
The centre of Grendon Underwood is located at position 51.88013° latitude and -1.00868° longitude.
The centre of Grendon Underwood is located at the grid reference easting 468334 and northing 220639 within the British National Grid (OSGB36) system.
Position of Grendon Underwood relative to nearby towns. Distance is measured from the centre of Grendon Underwood to the centre of the town.
Position of Grendon Underwood relative to nearby cities. Distance is measured from the centre of Grendon Underwood to the centre of the city.