Six Over Six Windows

Six Over Six Windows is a trusted, family-run business offering expert sash window refurbishment in London, St Albans, and surrounding areas. Specialising in the restoration of traditional timber sash windows, we combine skilled craftsmanship with modern glazing solutions to enhance comfort while preserving historic charm. Our services include timber repairs, sash cord and pulley replacements, draught-proofing, and discreet retrofitting of slim or vacuum double glazing. Whether you're upgrading a Georgian townhouse, Victorian terrace, or Edwardian property, we deliver seamless results that meet conservation requirements and improve energy efficiency.