A size 21 caravan awning fits caravans with an A-measurement of 1150–1175cm, typically larger twin axle caravans.
Choosing the correct size ensures a secure fit and smooth setup. With our expert fitment advice and 100% fitment guarantee, you can order with confidence.

Measure your caravan’s A-measurement from ground to ground along the awning rail.
For larger caravans, accurate sizing is essential to ensure proper tension and stability. If you’re close to the size limit, we recommend checking with us before purchasing.

Yes — size 21 awnings are ideal for seasonal and long-term pitches, especially for twin axle caravans.
Heavy-duty seasonal awnings provide maximum durability, while touring options are available for more flexible use.

• Air awnings → easier to set up despite the larger size
• Poled awnings → stronger and more stable for long-term use

For larger awnings, poled models are often preferred for added strength and reliability.

We stock leading brands including Camptech, Dorema, Starcamp, and Westfield.

From Camptech seasonal awnings to premium air frame models from Dorema and Westfield, you’ll find reliable options for large caravans.

Yes — many size 21 full caravan awnings support annex extensions, giving you extra space for sleeping or storage.

This is ideal for families or extended stays on site.