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50 Marshall Street

Shaftesbury’s approach to the preservation and enhancement of existing buildings has been demonstrated this year with the refurbishment of 50 Marshall Street, a project now close to completion.


The building was constructed in the early 1980s, extending to 819m2 over 5 storeys. The reinforced concrete frame structure had relatively small oor plates and, at an EPC rating of G, it was no longer fit for purpose as a modern space. 

Working in partnership with our project manager and Architect, the original structure and much of the façade was retained, saving considerable carbon emissions and continuing to lock up carbon from the 1980s.

The floor plates were expanded and an additional floor added, along with a biodiverse green roof that will be accessible for all the occupants. The energy e ciency of the building will improve dramatically. Improved glazing and low energy lighting, along

with the addition of heat pumps, will enable this all-electric, naturally ventilated building to achieve an EPC level of B. We are also targeting a minimum of BREEAM Very Good with an aspiration to increase this to Excellent as the project completes.