Archetech Issue 21 2015 | Page 92

Turnmill Piercy & Company Work has completed on architect Piercy&Company’s new building, Turnmill, for developer Derwent London. The building sits on a prominent corner site inLondon’s Clerkenwell Green Conservation Area and provides over 70,500 sq ft of high quality office space with two large restaurant units on the ground floor and basement. 63 Clerkenwell Road was built in the The new building successfully negotiates 1860s as a stable for the adjacent railway. the complex relationship between new More recently it had been used as office and old, referencing the historic and studios, a nightclub, a gym and restaurant. the contemporary. This is most clearly Originally, Derwent London commissioned demonstrated by the brick façade which Piercy&Company to refurbish the existing is both sensitive to its context and building, seeking to improve both the visually striking. Handmade bricks were ground floor relationship with the street sourced from Petersen Tegl in Denmark and the quality of internal spaces. Planning in three bespoke shades, developed to permission for this scheme was granted in be sympathetic to the neighbouring 2007, but detailed design revealed a series Grade 1 listed Sessions House. The Roman of complex and costly issues with the format bricks create a horizontal emphasis existing structure which would have led to across the façade and reflect the sturdy severely compromised spaces. A new build masonry characteristic of the area, whilst scheme offered a significant improvement the handmade nature of the surface is to the public realm and also much better exploiting by using the brick on edge to volume and light to the office floors. create sills and soffits and handsetting all the brickwork with the exception of the Turnmill draws inspiration from the historic pre-cats soffits. A range of special moulds fabric of Clerkenwell and its present day were fabricated to create curved and incarnation as the centre of London’s angled bricks which achieve the complex creative media industries. The curved plan geometry of the plan. Archetech - Page 92 form is a direct response to the movement of people around the busy site which is To emphasise the feeling of movement, set to intensify as Farringdon Crossrail the mortar joints are recessed horizontally opens in 2018. Clerkenwell’s quintessential and filled the vertically, creating variation robust yet refined warehouse buildings dependent on the height of the sun provide a guiding template, while the and depth of the mortar joint shadow. concept is inspired by Barbara Hepworth’s To form a more vertical fenestration renowned sculpture ‘Curved Form Delphi’ pattern and add further articulation, the comparing the vernacular of ancient and window reveals are deep and chamfered modern Greece. The skin on the outside on plan fanning out from the centre of of Hepworth’s sculpture is textured and the office floors to take advantage of the articulated, yet inside it is pure white and unusually panoramic views. En-masse, the carved from the overall form. varied chamfers animate the façade and create variation, often a challenge with speculative office development.