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Article Date: 15th August 2013

Dunham-Bush Going for Green with B&Q

Air Handling - Cooling Systems - Radiant Heating - Trench Heating

Dunham B&Q

Dunham-Bush are pleased to have been involved in a large scale B&Q development at Chandlers Ford, Eastleigh, covering over 300,000 sq ft and consisting of headquarters accommodation, retail store support offices and a merchandising centre known as the “smart lab” where prototype store layouts are trialled.

The three-storey building has been constructed using a range of energy-efficient measures such as natural lighting and ventilation and recycled water. The building has achieved a ‘BREEAM’ rating of ‘Excellent’ which means it is super environmentally friendly and sustainable.

The original specification for two 500kw air-cooled chillers, powered with 'Turbocor' compressors, were replaced with Dunham-Bush Flooded Evaporator units as these were considered a far more budget friendly option, with similar performance and efficiency levels.

Off site testing was carried out to verify the performances and units were manufactured and tested further at the Dunham-Bush factory in Malaysia. Engineers from BDP and Baileys were present to witness the testing and building before the final products were implemented at Chandlers Ford.

To complete the project, in addition to four Air Cooled Chillers and one Water Cooled Chiller, Dunham-Bush also supplied 1.3 kilometers of Hydrocourse Trench Heating and 50 Fan Coil Units.


The offices can accommodate up to 1,500 staff, making B&Q one of Eastleigh’s biggest employers.

When the old office buildings were demolished, approximately 90% of the materials were recycled. The local authority reused items such as door frames and light fittings and floor panels and carpet tiles were relaid in the new building.

There are even recharging points in the car park for electrical vehicles and road signs encouraging staff to save the planet by car sharing with colleagues!

Consultant : BDP (London) Peter Woodford.

Contractor: NG Bailey (Bristol)

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