Residential Extension Commission: Boars Hill, Oxford, Oxfordshire 2. Client: Private Client. Type: Orangery & Internal Alterations / Renovations. Brief: This project, now complete, was the addition of an orangery along with various internal alterations / renovation to a detached property in the Boars Hill area of Oxford. The original property was set over 2 floors and sat within generous grounds. Our clients wanted to replace a dilapidated conservatory with a stylish orangery in additional to various other internal renovation works. Build Cost: Estimated at £210k. Status: Completed Nov 2019.