About us We are a family run business that has traded for over 30 years. We have enjoyed making homes more enjoyable with the use of a dynamic range of bespoke products. Whether it be triple glazed windows, a conservatory or orangery, that enable you to enjoy your garden and improve your home. We also do bespoke bathrooms and kitchens. Autoconcure 20/20 NO MORE CONDENSATION PROBLEMS - Costing as little as three pence per day to operate, Sovereign's Auto Concure 20/20 'Positive Input Ventilation' unit provides a constant stream of warm, fresh, filtered air that raises the Dew Point, ventilates the home and offers a highly effective solution to damp problems caused by condensation.