Hartt Ltd are an experienced, independently run loft conversion company providing a professional and friendly service teamed with trust and reliability.  We are proud of our portfolio of work across London and the South East of England demonstrating the wide variety of properties we have worked on.

We have an established team of tradesmen experienced in their particular field thereby maintaining a high standard of workmanship with every project.  We make the process for our clients simple; from design and planning, through to completion.  We offer a free, no obligation, survey and advice service and can put you in touch with our independent architect, planning officer, independent building control and structural engineer who we have been working with for many years.