Located in Grendon Underwood we are able to offer air conditioning and building services in Oxfordshire and Buckinghamshire. Having a vast knowledge of surrounding towns and villages is a great advantage to working in and around Oxfordshire and Buckinghamshire. Thame, Bicester, Aylesbury, Hemel Hempstead, High Wycombe, Â Banbury, Â Coventry, Milton Keynes, Â Bletchley, Â are amongst a few areas of our reach.