For homeowners who demand razor-sharp lines, expansive glass areas and unbeatable longevity, our premium aluminium windows from Smart Systems deliver the ultimate in contemporary style and performance. At R Holwell and Sons Ltd, we specialise in supplying and expertly fitting these high-end windows throughout Surrey and West Sussex – from striking new-builds in Haslemere and Guildford to stylish renovations in Godalming. With incredibly slim frames that let in maximum light and views, powder-coated finishes that last decades, and thermal breaks that achieve impressive energy ratings, Smart aluminium windows are the professional choice for design-led projects