Meridian Box Sash Windows. 0800 6129187 Specialist qualified workmen. Looking after all your draught proofing and repair needs to wooden box sash windows and French Doors. We undertake all work from rot to reinstatements to commercial and residential property in all areas of KENT, LONDON, SOUTH LONDON, EAST LONDON, SURREY, SUSSEX AND SOME OF ESSEX. Free quotes from a fully insured company who offer a 10 year guarantee on all work. Call us Today!