Unity Square – HMRC Building
Encon Associates were commissioned to out the BREEAM assessment for the Unity Square development, a state-of-the-art Grade A office building situated in Nottingham, near the city’s main train station.

The project, spanning 62,022 square meters, provides high-quality office space designed to accommodate around 4,000 full-time employees. This prestigious development is located on a 1.14-hectare site along Queensbridge Road.
Unity Square, the new headquarters for HMRC in Nottingham, is an iconic building designed with sustainability, energy efficiency, and modern work environments in mind. Its prime location near Nottingham’s train station makes it an ideal hub for employees commuting from across the region, offering excellent connectivity and minimizing the building’s overall carbon footprint.
The building was designed to provide a sustainable workspace that promotes employee well-being, collaboration, and productivity while integrating environmentally responsible technologies and practices.
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Client Bowmer and Kirkland Ltd
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Location Nottingham, England
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Period 2021-2024
BREEAM Assessment and Achievements
The Unity Square project was subject to a rigorous BREEAM assessment, and we at Encon Associates are thrilled to announce that the building achieved a BREEAM Excellent score of 74.0%. BREEAM (Building Research Establishment Environmental Assessment Method) is a globally recognized standard for assessing the sustainability of building designs and their environmental performance.

Conclusion



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Encon Associates were employed by ourselves as BREEAM Assessor and Approved Professional on 3 contracts running concurrently in Sheffield. At all times through the project they were able to provide clear detailed advice on requirements to ourselves and our supply chain, and were able to offer additional services where required (including compiling the Tenant Green Guide Specification).
The use of the IES TaP for BREEAM portal has proved a useful tool in tracking the BREEAM process, providing us as a main contractor a simple and user friendly way to co-ordinate the BREEAM evidence requirements with the designers and our supply chain.
The team have promptly assessed evidence when received and provided detailed feedback to ensure any compliance issues were understood – we would have no hesitation in employing Encon Associates on our future BREEAM schemes.