GN Window and doors Ltd. Double Glazing in SOUTH EAST London.
Covering: Sydenham, Lewisham, Bromley, Catford, Streatham, Beckenham & Surrounding Areas.
Over 2500+ Installations completed.
Who we are
GN Window & Doors Ltd.
With over 18 years experience, we at GN Window and Doors in London have delivered exceptional high quality industry standard double glazing for our customers. We pride ourselves in gaining a soaring reputation of successful installations of Double Glazing, uPVC and Aluminium products and designs, especially in and around London and the South East.
We pride ourselves for achieving these great standards by gaining many endorsements from professional and UK government approved glazing bodies.
The outcome is that of professionally regulated Double Glazing in London & SE, to confirm to the highest of standards.
10 Year Guarantee
For peace of mind to our customers, each installation is backed by our insured GN Window and Doors Ltd. 10 Year guarantee.
We provide a personal certificate to all our customers upon completion of installations.
All our installations are covered by insurance backed gurantee by our approved insurance underwriters.
We Care About Our Many Customers
We pride ourselves in providing a high quality service for customers and constantly strive to improve our customer relashionships by requesting a short survey of our customers experince to maintain customer satisfaction to the highest level.
Many of our customers then go on to recommend our products and services.
Our Partners
