Looking for the Best Loft conversions in Grange Park, then contact Tetra Construction Ltd. We have opened their doors for business in the UK, having already traded for thirty years overseas. We have accomplished high-end projects for blue chips companies and high-profile clients. The company’s founder, Konstantinos Gkantonas, is a highly knowledgeable individual with many years of experience and an extensive portfolio of several projects. Our passion and expertise can help any project be delivered on time and within budget.