Bennett Architectural were commissioned to refurbish 11 Portland Street in the city centre of Manchester, previously named Aviva Westminster House.

As a result of using Kawneer’s AA540 architectural windows and AA100 curtain walling, a dated building was transformed into a modern office building.

To ensure the new glazing would coordinate well with the current structure, comprehensive site surveys were undertaken across the existing site.

The refurbishment, which involved close collaboration with Styles & Wood and BDP Architects, included a new principal reception area and a complete replacement of the glazing systems in use across the building.

The extensive office space is now 90% let to a number of businesses including ARM Holdings and Etc Venues, with Bank of Scotland approximately doubling it’s presence at the offices from 46,000 sq ft to 96,000 in 2019.

Lionel Grant, Managing Director at Bennett Architectural commented,

“The slimline profiles were designed by our Design Team to reflect the architectural intent and to give the internal environment far more natural daylight.

“Challenges included enhanced acoustic performance because of the city centre location, solar gain and improved thermal insulation.

“Bronze anodic powder coat was used to give the building some vibrancy and laminated glazing for improved safety and security.

“Working on existing structures always presents new challenges. However, with good communication with our construction partners we are able to turn tired structures into buildings to be proud of and fit for the future.”

To read about this project in more detail, see our 11 Portland Street case study.

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