Aluminium & uPVC Bifold Doors Croydon | 4Moon Windows

Premium aluminium & uPVC bifold doors in Croydon and South London. Cortizo & Smart slimline systems, supplied and fitted with a full guaran.

Imagine folding away an entire wall of glass and letting your kitchen flow straight into the garden. That's what a well-fitted set of bifold doors does — and it's why they've become the most requested upgrade for extensions across London. At 4 Moon Windows, we supply and install both bi fold aluminium doors and uPVC bifold doors from our base in Thornton Heath. Whether you want the ultra-slim frames of a premium Cortizo system or a budget-friendly uPVC option, we'll fit the right doors for your home and your wallet. Every set is made to measure, installed by our own team, and covered by a full guarantee. No subcontractors. No surprises.