Westfield Eris Premium Lite Air Annex – Lightweight & Durable

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Original price was: £539.00.Current price is: £479.00.

Brand: WESTFIELD

The Westfield Eris Premium Lite Air Annex is a versatile and high-performance awning extension designed to expand your living space with comfort, privacy, and durability. Perfect for sleeping, storage, or a kitchen setup, it’s an essential upgrade for your Westfield awning.

In stock

  •  Size Guide

    UK Caravan Awning Size Guide – Find the Perfect Fit for Your Full or Porch Awning

    Looking for the right size awning for your caravan? Whether you’re after a full awning for extended stays or a porch awning for weekend getaways, our UK Caravan Awning Size Guide makes it easy to find the perfect fit. With over 40 years of combined experience and access to a comprehensive UK caravan database, we take the guesswork out of awning sizing.

    In this guide, you’ll learn how to measure your caravan for both full and porch awnings, understand A-measurements, and use our easy-to-read awning size chart. Plus, with our Fitment Guarantee and Free UK Delivery, you can shop with confidence.

    📏 Measuring for a Full Caravan Awning

    Your caravan’s A-measurement is the key to finding the correct size full awning. This ensures a snug, weatherproof fit that maximises your comfort and space.

    🛠️ How To Measure
    (Step-by-Step – The Hard Version)

    • Park your caravan on level ground.
    • Thread a string (ideally 10m+)  through the entire awning rail from one end to the other.
    • Keep your fingers crossed, you measured correctly.

    📏 Porch Awnings are more flexible.

    However a bit of careful consideration will pay off with a perfect fitting Porch Caravan Awning and years of Hassle Free Camping!

    🛠️ How To Measure and What to Look Out For

    • Height from ground to awning rail (H)
      Typically between 235–250 cm for most UK caravans.
    • Length of the straight section of the caravan awning rail (L)
    • Position of Windows & Doors to ensure good seal and weatherproof camping.

    😌 The Easy Way…

    Sit back, relax, and let us find your perfect awning!

    With access to a huge UK caravan database and over 40 years of combined experience in the trade, we can take the guesswork out of sizing.

    All we need is your caravan make, model, and year of manufacture—and we’ll do the rest!

    Standard UK Awning Size Chart

    SizeA-Measurement (cm)SizeA-Measurement (cm)
    4725 – 7505750 – 775
    6775 – 8007800 – 825
    8825 – 8509850 – 875
    10875 – 90011900 – 925
    12925 – 95013950 – 975
    14975 – 1000151000 – 1025
    161025 – 1050171050 – 1075
    181075 – 1100191100 – 1125
    201125 – 1150211150 – 1175
    221175 – 1200  
  •  Delivery & Return
    DELIVERY POLICY

    Same working day dispatch for all orders placed before 1pm.

    NEXT WORKING DAY DELIVERY OPTIONS AVAILABLE. 

    PLEASE NOTE: We do not always have all available sizes and colours of awnings from every supplier available on the shelf.
    Depending on stock availability, we may dispatch your order straight from our suppliers warehouse. In such circumstances, a delay of up to 24hours may occur.

    Fitment Question? Product Enquiry? Delivery Issues?

    Put our Highly Rated Customer Service Agents & 100% Customer Satisfaction Guarantee to the test.

    Expert Fitment Advice from Stand Art Service

    Fill in the Quick Contact Form Below or Use our Live Chat Icon on the bottom of the page.

    •  Ask a Question
      Estimated Delivery: Mon, Apr 20 – Tue, Apr 21  (Excl Sat, Sun)
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    • Expands Living Space – Ideal for sleeping, cooking, or storage
    • HydroTech Ripstop Fabric – Durable, waterproof, and UV-resistant
    • 6000mm Waterproof Rating – Reliable protection in heavy rain
    • Tinted Panoramic Windows – Natural light with privacy blinds
    • Double Zip Divider System – Flexible internal layout options
    • Enhanced Ventilation – Roll-down panels for airflow
    • Stable & Secure Setup – Includes roof poles and storm straps
    • Lightweight & Compact – Easy to transport and store

    Westfield Eris Premium Lite Air Annex | Expand Your Awning Space with Comfort & Versatility

    Extra living space • HydroTech Ripstop fabric • 6000mm waterproof rating • UV 50+ protection • Tinted panoramic windows • Double zip divider system • Lightweight & compact design


    The Westfield Eris Annex is a premium add-on designed to extend your awning’s functionality and create a fully adaptable living area. Built using HydroTech Ripstop fabric, it delivers exceptional durability, weather resistance, and long-term reliability, making it ideal for both touring and seasonal camping.

    With a 6000mm hydrostatic head and UV 50+ protection, this annex performs brilliantly in all weather conditions—keeping you dry in rain and protected from harsh sunlight. The tinted panoramic windows with internal blinds provide natural light while maintaining privacy, and the roll-down panels enhance airflow during warmer days.

    Its innovative double zip system allows you to use your awning’s side panel as a divider, giving you flexible layout options. Despite its robust design, the annex remains lightweight and compact, ensuring easy transport and storage. Combined with roof poles and storm straps, it offers excellent stability even in windy conditions.


    What’s Included

    • Westfield Eris Premium Lite Air Annex
    • Roof support poles
    • Storm straps
    • Fixing and attachment components

    Why Choose Westfield Eris Annex?

    • Adds valuable extra space to your awning setup
    • Built for all-weather performance and durability
    • Offers privacy, ventilation, and natural lighting
    • Flexible layout with divider functionality
    • Lightweight design for easy touring convenience

    Upgrade your camping setup with the Westfield Eris Annex – combining space, comfort, and performance in one premium solution.

    Specification Details
    Brand Westfield
    Product Type Air Annex Extension
    Fabric HydroTech Ripstop
    Waterproof Rating 6000mm HH
    UV Protection UPF 50+
    Windows Tinted panoramic with blinds
    Structure Roof poles + storm straps
    Compatibility Pluto, Vega, Galaxy, Orion & 2.0 models
    Use Sleeping, storage, kitchen space
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    Westfield Eris Annex

    Westfield Eris Premium Lite Air Annex – Lightweight & Durable

    Original price was: £539.00.Current price is: £479.00.

    Request a Call Back



      Westfield Eris Annex

      Westfield Eris Premium Lite Air Annex – Lightweight & Durable

      Original price was: £539.00.Current price is: £479.00.

      Ask a Question