Energy-Efficient Conservatory Suppliers

Luxury Conservatories in West Sussex

At Benchmark Windows, we pride ourselves on being reputable conservatory suppliers and installers. Based in Sussex, our friendly team installs luxury conservatories for clients across the South East.

As a trusted local company, we have the skill and experience to plan, design and build the conservatory of your dreams. Our stylish conservatories will enhance your lifestyle by giving you extra space without the expense of having to move home, transforming your space. Our conservatories can be used as a home office, a garden room or even a dining area.

Whatever your personal taste and style, we have an option to suit you and your home. As bespoke conservatory manufacturers, we can easily tailor a design to you.

A Benchmark conservatory will add value to your house and provide you with an excellent return on your investment. You can be confident that our expert team will install a new space that will stand the test of time.

We offer the following styles of energy-efficient conservatories:

If you have any further questions about our luxury conservatories or are looking for a quotation, please get in touch today. Give our experienced team a call on 01903 756699. We look forward to hearing from you.


At Benchmark Windows, we are proud to be a local conservatory supplier and installer you can trust. , we use only the highest-quality materials. These include Timber, Replica Timber, Aluminium, and PVC-U.
Our team can also bring new life to old and tired conservatories and will upgrade the roof of your existing conservatory at a competitive price. If you would like to discuss upgrading your conservatory, call us today on 01903 337668.


Our extensive experience and technical knowledge make us your ideal partner to plan, design, manufacture and build your perfect conservatory or orangery. Irrespective of whether you have a modern, traditional or period property, we are sure to find a solution to suit you.

Our products offer the following benefits:

  • Low maintenance
  • Thermally efficient
  • Simple to clean
  • Strong and durable construction 
  • 10-year guarantee
  • Secure and safe locking system

Benchmark Windows – your Trusted Local Conservatory Suppliers

If you’re looking for a stylish energy-efficient conservatory, call us today on 01903 337668 and speak to a member of our knowledgeable team. Alternatively, Alternatively, please visit our Lancing showroom to see our range of luxury conservatories and other products firsthand.

With a state of the art showroom in Lancing and no doubt another quality installation near to you already, we hope that you will consider us for your project.

Start typing and press Enter to search