Manual Window Controls - Ultraflex & Teleflex, Electric Actuators, Sliding Sash Actuators, Screwjacks, AOV's, Smoke Ventilation Actuators & Controls. With over 50 years’ experience in the window controls industry, Pratley & Partners based in Billericay, continue to be at the forefront of window control technology. Established in 1965, after working in the industry since the late 1950's supplying and installing Teleflex window controls, LJ Pratley & Partners Ltd has succeeded in becoming a market leader in all aspects of natural ventilation and smoke ventilation. Our portfolio includes manual window controls, electric and linear actuators, screwjack openers, folding openers, through sliding sash controls range (manual, electric and concealed), Our manual window controls from both Ultraflex and Clearline (formerly Teleflex Morse), still often proves to be the most suitable and cost effective solution for natural ventilation. Also introducing our brand new Pull-Lock product, which provides an enhanced security feature for all manual controls. With our electric actuator range, Pratley’s offer an extensive portfolio of natural ventilation solutions, with actuators and controls from leading European manufacturers including Ultraflex Control Systems (UCS), STG Beikirch, WindowMaster, Comunello and Topp. Our expertise in this field, combined with our knowledge, longevity and reliability makes us the natural choice for everything ‘window controls’. Please contact us on 01277 633933 or sales@ljpratley.co.uk