MM Loft Conversion

We are a loft conversion London company based in Croydon and Bromley, South London with more than 12 years of experience in this industry.Most loft extensions do not need planning permission and unlike a ground or first floor extension, can be the most affordable way to extend your home. Here at John Duncan we take great pride in converting an unused attic space into a beautiful and practical living space. Extending your loft can not only increase your overall living space but also seriously increase the value of your house.