66-69, Upper Berkeley Street W1

66 to 69 Upper Berkeley Street are terraced houses built around 1800 as part of the Portman Estate development, with No. 69 featuring a shop. The buildings are constructed of stock brick, with stucco ground floors, and No. 68 is entirely stuccoed. They have concealed slate roofs, with No. 66 rising to five storeys and the others to four storeys, all on basements. The fronts are three windows wide, except for No. 69, which has two windows and a three-window return to New Quebec Street.

The doorways are semicircular arched, with Nos. 67 and 68 featuring rusticated architraves, and the blocks of No. 68 are vermiculated. Each has panelled doors and fanlights. The upper floors have recessed sashes under flat gauged arches, with Nos. 66 and 67 using red brick for the arches, while No. 68 has channelled stucco voussoirs. No. 69 has a plain shop front beneath an entablature-fascia. The buildings have stone-coped stucco parapets, except for No. 69, which features a cornice and blocking course.

Nos. 66 to 68 share continuous cast iron patterned balconies on the first floor, while No. 68 has a plain balcony. There are cast iron area railings with flambé vase finials. Additionally, No. 69 displays a cast iron relief plaque of a lion on its return to New Quebec Street, which was reset from a demolished house on Robert Adam Street.