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South Yorkshire building given rare A+ energy rating


Building given rare energy rating

A former corn mill in South Yorkshire has been given a rare A+ energy performance rating after efficiency features were installed.

The Old Corn Mill, built in the 1750s in Penistone near Barnsley, is only one of 14 commercial buildings in the country to be considered carbon negative.

The building, owned by two brothers, has achieved its efficiency grade by using new technologies.

It is powered by two nearby wind turbines.

Eco lighting has been installed which adapts to the sunlight.

Additional insulation in the walls, floors and ceilings, as well as triple-glazed windows are just some of the measures taken to ensure low energy consumption.

Charles Booth stood in front of the former corn mill
The Old Corn Mill is a three storey building which has been extended

Charles Booth, one of the brothers behind the project hopes that the building will bring new businesses to the area.

"We believe there is a market for a sustainable office building, so whether that is for companies who believe in a low carbon future or others wanting to keep a low carbon chain, there is quite a wide market out there."

Despite the expense of transforming the mill which is over 250 years old, Mr Booth believes that the cost will pay for itself over the next 20 years.

"It's been very expensive to set up. We're looking at this from a 15 to 20 year perspective.

"Our view is that we expect electricity costs to double over the next 10 years," added Mr Booth.


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