The Insight Index is the UK's leading trade directory for the window, door, conservatory and glass industry. Search products, components and services from over 600 manufacturers, suppliers and consultants from across the fenestration and glazing industry.
Featured Company

Newton Waterproofing Systems
Experts at providing the best solutions for architects, developers and homeowners to protect properties against water ingress and dampness for over 170 years John Newton & Co Ltd, Est 1848, is the UK's leading independent supplier of structural waterproofing systems, water control and drainage products. Newtons offer the best available BBA certificated solutions for waterproofing and damp proofing applications in new-build and refurbishment projects.
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CDW Systems - Easysecure Door
EasySecure is the commercial aluminium door from CDW Systems. This innovative door offers slim sightlines, good thermal performance and excellent security, making it ideal for high traffic commercial applications such as offices, schools and retail establishments.
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Timber Roof Lantern Design & Installation Guide
Timber Roof Lanterns for Flat Roof Extensions explains the benefits, design options, glazing specifications, and installation considerations behind bespoke timber...

Complete Guide to Conservatories in the UK
Planning a conservatory? Our comprehensive guide covers everything you need to know before starting your project. We explain the different conservatory styles (Victorian, Edwardian, lean-to, gable-end), roof options (glass...

How much does a garden room cost in 2026?
How much does a garden room cost in 2026? A professionally installed, fully finished garden room in the UK costs between £15,000 and £50,000. Most mid-range builds covering 12m² to 20m² with full insulation...

Does a garden room increase house value?
Does a garden room increase house value? Yes. A well-built, fully insulated garden room can add between 5% and 15% to your property value, according to UK estate agents and property experts. On a £300,000 home, that's a potential uplift of £15,000 to £45,000. The return depends on build quality...
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