The Sunncamp Air Annexe Plus is apremium inflatable awning extensiondesigned to add valuable sleeping, storage, or living space to compatible Sunncamp awnings. Constructed from durable 300D PRO-TEK fabric with a simple single inflation system, this versatile annexe delivers fast setup, excellent weather protection, and enhanced touring flexibility for caravanning adventures.
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.
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.
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.
Sunncamp Air Annexe Plus – Inflatable Awning Annexe with Twilight Inner Tent
Compatible with Inceptor & Ultima Grande Awnings • Single Inflation Air System • Premium 300D PRO-TEK Fabric • Includes Twilight Inner Tent • Waterproof & Flame Retardant • Extra Sleeping or Storage Space
The Sunncamp Air Annexe Plus is a practical and spacious inflatable awning extension designed to seamlessly connect to compatible Sunncamp awnings, including the Inceptor 390, Inceptor 330, and Ultima Grande 390 models.
Manufactured using high-quality 300D PRO-TEK fabric, the annexe offers excellent durability, waterproof protection, and flame-retardant safety, making it ideal for extended touring and seasonal camping use. The strong material construction ensures dependable performance in varying weather conditions while maintaining a lightweight and manageable setup.
Thanks to the integrated single inflation point system, the Air Annexe Plus can be pitched quickly and easily, significantly reducing setup time while maintaining excellent structural stability. It conveniently zips onto either side of compatible awnings, allowing flexible campsite configurations depending on your layout and available pitch space.
Included with the annexe is a premium Twilight Inner Tent, creating a darker and more comfortable sleeping environment for overnight guests or family members. Alternatively, the additional space can be used for luggage, camping equipment, bicycles, or general storage during longer trips.
Whether you need extra accommodation or simply want more organised living space, the Sunncamp Air Annexe Plus delivers excellent versatility, comfort, and convenience for every camping adventure.
What’s Included
Sunncamp Air Annexe Plus
Twilight Inner Tent
Integrated Air Inflation System
Pegging Points & Attachment System
Carry & Storage Bag
Why Choose This Model?
Adds valuable extra space without upgrading to a larger awning
Quick inflatable setup ideal for touring holidays and short stays
Perfect for additional sleeping accommodation or organised storage
Twilight Inner Tent improves overnight comfort and privacy
Durable waterproof PRO-TEK fabric built for reliable outdoor performance
Flexible side attachment suits different campsite layouts and caravan setups
The Sunncamp Air Annexe Plus is the perfect inflatable awning extension for caravanners seeking additional comfort, flexible accommodation, and practical storage space with the convenience of fast inflatable pitching and trusted Sunncamp touring reliability.
Expand your Westfield Awning Space. Discover Effortless extension for your existingWestfield 2.0 Awning.Compatible with first and second generation awnings and featuring an array of cleverly designed features, theERIS Premium Tall Annexeis your perfect companion for all your camping adventure.
TheWestfield Premium Lite Universal Annex Inner Tenttransforms your annex into acomfortable and private sleeping space, making the most of every inch of your setup. Withquick, easy installation, breathable fabric, and afully zipped front door, it providesmaximum comfort, protection, and convenience for touring or extended camping.
The Westfield Zodiac / Orion Annex Inner Tentis a purpose-built sleeping compartment designed for Westfield Zodiac and Orion annexes. It quickly converts your annex storage area into a comfortable, private bedroom, offeringexcellent ventilation, protection from damp ground, and efficient use of available space.
The CampTech Hampton Annexe & Countess Annexe with Blinds is a premium zip-on awning extension designed specifically for CampTech Hampton DL and Countess DL seasonal awnings. Constructed from durable ClimaTech SR21 coated polyester with a strong steel frame, it provides reliable all-season performance while adding extra living, sleeping, or storage space to your caravan setup.
The CampTech Moto Crown AiR Tall Annexe is a spacious inflatable extension designed to perfectly complement the Moto Crown Drive-Away Awning. With a 160×220 cm footprint, panoramic windows, and optional inner tent compatibility, it provides flexible space for storage, relaxing, or comfortable sleeping accommodationduring your touring adventures.
The StarCamp Voyager AiR Annex with Inner Tent is a compact and versatile awning extension, ideal for creating additional sleeping space or secure storage alongside your Voyager AiR awning.
The Westfield Outdoors Neptune Inner Tent is a premium awning accessory designed to add extra sleeping space or storage to your Neptune awning. With a spacious, breathable interior and lightweight construction, it provides comfort, privacy, and practicality for all your camping trips.
The 2025 Dorema Horizon Air Annexe is a tall inflatable extension for the Horizon De Luxe Air Awning, offering 210 x 140 cm of extra space for sleeping or storage. Built with TenCate All Season fabric and air beam technology, it’s quick to set up, weatherproof, and perfect for seasonal touring across the UK.
The CampTech Moto Crown AIR Annexe is a compact inflatable extension designed specifically for the Moto Crown drive-away awning. With a 160×220 cm footprint and quick AIR frame setup, it provides convenient extra space for storage, relaxing, or sleeping while maintaining the lightweight and touring-friendly design of your awning system.
The Westfield Vega Inner Tent is a practical accessory designed specifically for the Westfield Vega Air Awning, creating a private sleeping compartment or organised storage space inside your awning. Its breathable fabric and lightweight construction ensure comfort and convenience for every camping trip.
The CampTech Moto Windsor Inflatable Annexe is a versatile extension designed specifically for the Moto Windsor Drive-Away Awning, providing additional space for storage, relaxing, or optional sleeping accommodation. With a generous 180×200 cm footprint and a quick zip-on installation system, it’s an ideal upgrade for motorhome and campervan touring.
The Camptech Starline Air Annexe is a premium extension designed for Starline Air porch awnings, adding versatile extra space for storage, relaxing, or optional sleeping accommodation. Built with Climatech 210D coated polyester and UPF50+ protection, it provides durability and comfort for extended camping trips. Compatible with the Starline 222/ 260 / 300 / 390 versions.
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