The contracts include a £10m project to refurbish Pegasus House, the partial demolition and refurbishment of Old Filton House and construction of a 250,000 sq ft office building.

Chris Webster, Chief Executive, Miller Construction, said: “We have been working closely with Airbus and their consultants over the past six months and are looking forward to progressing together to deliver the new office building and fully refurbished Pegasus House.

“These contract wins are in line with our strategy to develop our presence in one of our key developing markets, Science and Technology, providing us with the opportunity to widen our expertise and grow our reputation as a cross-market leader.

Pegasus House, an existing five storey, 1936, Grade 2 listed art-deco office building will undergo a complete refurbishment and alteration.

Old Filton House, a Grade 2 listed mid-eighteenth century, three storey country house, will be partially demolished and refurbished, in order to return the building to its former glory.

The works also include substantial structural alterations, new M&E installation and an upgrade of the current thermal installation.  Construction is due for completion next summer

Works on the new four-storey office building is due to start next month.

Once complete in autumn 2013, the building will provide office accommodation for 2,500 staff with changing facilities for up to 600 cyclists, an energy centre, and 900 car parking spaces.