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.
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.
£217.00Original price was: £217.00.£143.00Current price is: £143.00.
The CampTech Moto Tudor AIR Annexe is a compact inflatable extension designed exclusively for the Moto Tudor AIR Drive-Away Awning. Offering 160×220 cm of extra covered space, it provides a practical solution for gear storage, relaxing space, or optional sleeping accommodation during touring adventures.
£472.00Original price was: £472.00.£310.00Current price is: £310.00.
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.
£438.00Original price was: £438.00.£292.00Current price is: £292.00.
The CampTech Tall Annexe for Cayman & Duchess Awnings is a versatile extension designed to expand your awning living space, offering additional room for storage, relaxation, or sleeping accommodation. Constructed from durable Climatech SR16 all-season fabric, it provides reliable performance for year-round touring and extended camping stays
Upgrade Your Caravan Awning with the Dorema Diamond Annexe De Luxe XL
The Dorema Diamond Annexe De Luxe XL offers extra storage, a private sleeping annex for your caravan, and a convenient rear door for easy access. Built with durable, weather-resistant materials, this awning add-on room is perfect for year-round camping.
Discover our full range of premium Dorema awnings and accessories today!
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.
Starcamp Magnum Air Force inner tent designed for the 260 and 390 awnings, creating a private sleeping or storage compartment inside your inflatable awning with quick installation and breathable comfort.
£650.00Original price was: £650.00.£428.00Current price is: £428.00.
The CampTech Starline Elite Infinity Room Add-On (Left-Hand Side) is a zip-on annexe style extension for the Starline Elite Air Awning, providing extra space for storage, relaxation, or sleeping. Designed for a secure left-hand fit, it features durable weather-resistant fabric and quick, easy installation. Compatible with Starline Elite 200 | 260 | 300 and 390 models.
£502.00Original price was: £502.00.£330.00Current price is: £330.00.
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 Dorema Annex Monza De Luxe XL adds valuable space to your caravan awning, measuring 250 x 150 cm. Compatible with the Dorema XL270 and XL300 Range, the Tall annexe is Perfect for storage or as a sleeping area. Featuring a large rear door for easy access, durable weather-resistant fabric, and a simple setup the Annexe XL De Luxe is a practical and versatile solution for enhancing your camping setup.
Looking to expand your awning? The Dorema Monza Annexe is the ideal add-on for your Monza 240 and 240 DeLuxe models. Enjoy extra space, weatherproof protection, and a quick setup – perfect for touring or seasonal use. Too much people in the Caravan? Pair your Monza Annexe with the Dorema Inner tent, for easy to use bedroom, with built in protection.
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