
The North Face
Wawona 6
Spacious vestibule, strong in storms, but rainfly tricky solo.

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ZPacks Duplex. You can pay extra for the frame if you like to make it freestanding. My favorite after many brands over the years.
My Duplex lasted my entire thruhike of the AT and I still use it!
I’d forget those heavy options - save yourself the equivalent of (considerably) more than a glass bottle of wine in weight on each tent and consider getting Durston trekking pole tents. They are proven options for 3 season UK hiking, reasonably-priced, and way way lighter! Nobody needs a Hilleberg or equivalent for a summer C2C! Truly! Edit: By the way (and out of budget for you), my personal shelter preferences for hiking in 3 seasons anywhere in Europe (Scotland, the Alps, the Med and anywhere in-between) are the ZPacks Plex tents - a Plex Solo Lite for me on my own, a Duplex when I'm out with the Mrs. No need for an even more expensive 1.3Kg - 3.5Kg Hilleberg when you can take a 332g or 507g tent to cover the same conditions. Hillebergs are great if you want a 4 season shelter for exposed environments, and even then I'd only have one for actual winter trips. It's like buying a Ford F150 Truck to go shopping or to take trips down the M4 from London to Bristol - total overkill!
Dagger is square floor as to where the dragonfly tapers at the foot. So if you use 2 25in wide pads in the 2p dagger it should fit as the dragonfly won't. Last years model of dragonfly is on sale at REI and you can use there 20% member discount right now until 23rd. If all you need is a 2p the Durston xdome 2p is the King 👑 then zpacks duplex is next for weight
Get a DCF/Dyneema tent. It is completely waterproof. Zpacks duplex is going to be a nice 2p tent for you. It has large vestibule doors. The only thing is that with most lightweight tents, you won't find a fly that goes to the ground. That is because you need ventilation inside. With the zpacks I've never had my pack or shoes get wet from rain when they were in the vestibule.
I have a zpacks duplex I would consider putting up on r/ulgeartade if interested. I want to get their larger one so I can get a little extra room for Mr. Dog.
Second this, had mine since 2017 and still going strong.

The North Face
Wawona 6
Spacious vestibule, strong in storms, but rainfly tricky solo.

Gazelle Tents
T4 Hub Tent Series
Fastest setup, durable, but bulky and awkward door.

Durston
X-Mid 2
Ultralight, spacious 2P, but not for very strong winds.

Durston
X-Mid 1
Budget ultralight 1P, spacious, but large footprint.

Naturehike
Mongar 2 Backpack Tent (Nylon)
Budget 2P, spacious for price, but not for 4 seasons.

Ranked #1
Durston - X-Mid 2

Ranked #1
Gazelle Tents - T4 Hub Tent Series

Ranked #1
Gazelle Tents - T4 Hub Tent Series

Ranked #1
Durston - X-Mid 2

Ranked #1
Durston - X-Mid 2

Ranked #1
SlingFin - Portal 2