The SunnCamp Swift Air Extreme 390 SC is the largest model in the Swift Air Extreme range, delivering exceptional interior space, premium weather protection, and effortless inflatable pitching. Designed for caravanners who need maximum living area without the complexity of traditional poles, it offers outstanding comfort for extended holidays and family touring 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 Swift Air Extreme 390 SC Inflatable Caravan Porch Awning | Large Family Touring Air Awning
Extra-Wide 390cm Living Space • Air Volution Single Inflation • Premium 300D PRO-TEK Fabric • Enhanced Roof Profile • Mesh Ventilation Panels • Canopy Compatible • Family Touring Comfort
The SunnCamp Swift Air Extreme 390 SC is engineered for caravanners who require generous living space combined with the convenience of modern inflatable technology. With its impressive 390cm width, this premium air awning creates a spacious extension to your caravan, ideal for families, longer stays, and seasonal touring.
At the heart of the design is Air Volution Single Inflation Technology, allowing the entire structure to be inflated quickly and efficiently from one inflation point. This significantly reduces setup time while delivering excellent structural rigidity.
Constructed from rugged 300D PRO-TEK fabric, the awning offers outstanding waterproof performance, durability, and fire-retardant protection. The upgraded roof profile improves drainage and helps maintain stability during adverse weather, making it a dependable choice for UK touring conditions.
The large front windows and side panels create a bright and welcoming environment, while mesh ventilation panels improve airflow throughout the awning. The roll-up front panel can also be converted into a canopy area using optional poles, creating additional sheltered outdoor space for dining, relaxing, or entertaining.
What’s Included
1 × SunnCamp Swift Air Extreme 390 SC Awning
Manual Inflation Pump
Storm Buckles & Reflective Webbing Straps
Draught Skirt
Peg Set
Carry/Storage Bag
Setup Guide
Why Choose SunnCam Swift Air Extreme 390 SC?
Largest Swift Air Extreme Model – Maximum interior living space
Ideal for Families – More room for furniture and storage
Fast Inflatable Setup – Single inflation convenience
Premium Touring Construction – Durable PRO-TEK fabric throughout
Excellent Weather Resistance – Designed for changing UK conditions
Expandable Outdoor Area – Compatible with optional canopy systems
Bright & Airy Interior – Large windows and ventilation panels
The SunnCam Swift Air Extreme 390 SC offers the ultimate combination of spacious comfort, inflatable convenience, and premium touring performance, making it an excellent choice for caravanners who want more room to relax, entertain, and enjoy extended adventures.
A spacious and modern inflatable porch awning featuring quick single-point inflation, durable 300D KlimaTex fabric, and excellent ventilation for added comfort. Designed for easy setup and reliable performance, it is ideal for caravanners wanting a practical and comfortable touring awning.
Designed for year round useandparticularly suited for winter camping. Available in 4 sizes theDorema Oslo 1 , 2 , 3 and 4are crafted withHeavy Duty PVCfabrics, for the ultimate weather resilience. Featuring a free standing frame design with rear support legs and extra thick padding, the Dorema Oslo is the ultimate seasonal awning for year round use.
The Camptech Starline 390 Air Awning is the largest and most spacious model in the Starline range, offering a generous 390cm width and 250cm depth—ideal for families or caravanners wanting extra living and storage space. Built from durable Climatech 210D material with individual inflation points, it delivers dependable stability and easy pitching. Three large front windows create a bright, open feel, while flyscreened side doors add excellent airflow for comfort in all weather. A brilliant upgrade for extended touring, now enhanced with Free Storm Straps, Fast UK Delivery and flexible 0% Finance options.
The Camptech Duchess 340 is a bright, spacious touring porch awning that’s built to last. Its Climatech SR17 fabric, large windows and sturdy 22/25mm steel Griplock frame deliver dependable performance, and practical living and storage space. With flyscreens for airflow, Techline zips for veranda setup, generous 340 x 240cm footprint and annexe compatibility , the Duchess adapts easily for weekends or longer stays. Supplied with Free Storm Straps, Fast UK Delivery and flexible 0% Finance options.
The Camptech Princess DL Winter Porch Awning is a robust and versatile all-season awning, ideal for winter caravanning. Featuring heavy-duty PVC walls, a strong steel frame, and full ventilation, it provides comfort, protection, and adaptability for touring in any weather.
£1,174.00–£1,348.00Price range: £1,174.00 through £1,348.00
Explore All Season Performance with Dorema Quattro 380 & 430 models. Crafted from Tencate All Season Coated Polyester, with durable 25 and 28mm steel frame options and additional Winter Package available, the Dorema Quattro Range is the ultimate caravan porch awning, designed fore year round use.
A spacious inflatable awning offering quick single-point setup, durable all-season Climatech SY17 fabric, and a generous 400 × 300cm living area—ideal for caravans and motorhomes with fitment heights from 215–250cm.
A lightweight and practical poled porch awning offering a generous 325cm living space, quick-fit setup, excellent ventilation, and high UV protection—ideal for comfortable touring and family camping trips.
TheCamptech Moto Crown Elite Air Awningis a premium inflatable drive‑away awning, offering a spacious 3 m × 3 m living area, with fastsingle‑point inflation, and superior durability thanks toClimatech SY17 fabric. Designed to fit caravans, motorhomes and camper vans with an attachment heightof180–300 cm, via adual 4/6 mm beading. Featuring a built inVelcro‑attached groundsheet, luxury interior curtains and a protected front canopy—making it the ideal touring awning for flexible, comfortable outdoor living inall weather conditions.
A robust and versatile inflatable all-season awning offering quick single-point inflation, durable KlimaTex 300D fabric, and a flexible modular design—ideal for caravanners seeking comfort, stability, and year-round touring performance.
The StarCamp Mistral is a lightweight porch awning built for quick trips, with taped seams, a sturdy EasyGrip steel frame, and WeatherTex 150D waterproof fabric. It includes privacy blinds, ventilated side doors with fly screens, and a durable, secure design for comfort and convenience.
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