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glass conservatory

SDL AVANT GARDE Glass Extension

SDL Avant Garde – Stunning natural wood finish

Avant Garde is a beautiful thermally efficient wintergarden featuring natural wood internal finishes and optimal aluminium weather protection. Its rafters and purlins are faced with seasoned and treated wood which can be custom-stained to harmonise with your home’s natural surroundings.


Thermally Broken Thermally broken
Heating, ventilation & control systems Icon Heating, ventilation & control systems
Large Spanning System Unlimited span system
Secure bifolding doors Security to British and European standards
Mulitple Canopy Options Icon Multiple canopy options
ODC bifold doors come with multiple opening options Flexible opening options
Climate Control Icon Climate control glazing
Icon to show Our aluminium windows come with a 10 year guarantee 10 year guarantee
SDL Avantgarde im Foyer


The Avant Garde system is combined with thermally efficient bifolding or sliding doors which offer versatile opening and threshold options. High quality rooflights with automated controls will provide perfect levels of ventilation. The wood interior of the Avant Garde wintergarden is welcoming and warm while its aluminium exterior offers maximum weather resistance.


Key Features

  • Low U-values
  • Interiors faced with seasoned wood
  • FSC sustainable timber
  • Choice of natural wood tones
  • Slim aluminium rafters
  • External aluminium cladding
  • Steel-reinforced construction
Internal finishes for composite bifold doors


All our glass structures and extensions are finished in thirty classic and timeless colours as standard. The Avant Garde also has a choice of internal natural woodstain finishes. You can also specify external frames in bespoke colours for a unique look, powder-coated in a huge range of RAL colours to match a building’s design. All finishes are covered by our 10 year product guarantee.



ODC aluminium sliding door design literature


All our architectural glass systems have the ODC Warranty. Our products undergo constant rigorous testing and come with certification from renowned national and international test institutes for sound insulation, permeability, burglar protection and extreme weather conditions.

ODC SDL Avant Garde Datasheet

See all downloads.


SDL Akzent Plus

A slim, insulated design for comfort and optimal strength for large-format roof structures

SDL Atrium

glass house system with maximum light levels and elegant minimal canopy

SDL Acubis

Offers all year aluminium weather protection and can be stand alone or connected


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Our showrooms in Chiswick and Poole have the complete range of ODC glazing products on display.

Customer Support

03300 586 793

97 Bollo Lane, London W3 8BN

Sterte Road, Poole BH15 2AF

Opening hours
Monday – 9am to 5pm
Tuesday – 9am to 5pm
Wednesday – 9am to 5pm
Thursday – 9am to 5pm
Friday – 9am to 4.30pm
Saturday – 10am to 3pm