Places like centerparcs, but not centerparcs

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Looking to book somewhere for a few days away with friends mid Sept. There will be 4 adults, 2 preschool age kids. Somewhere within 1-2 hours of Bristol.
Have been to centerparcs before, but it's booked up, as is Bluestone in Wales. Where else is good? ?
Ideally would prefer some kind of self catering lodge, rather than camping.
I expect most holiday villages will be booked up, so also interested in suggestions of locations where we could book an air bnb and do day trips. We both live by the sea, so don't necessarily need to be by the coast.
Never been to Cotswolds- what is there to do there with young kids? They'd be happy with a few playgrounds and a swimming pool nearby!
Thanks

I’d suggest Finlake. www.haulfrynholidays.co.uk/our-parks/south-west-england/finlake
It’s set in woodland, there’s an outdoor swimming pool and slide, there’s a new indoor swimming complex with flumes, water playground, and poolside cafe, bike hire, archery, children’s playground etc...

Forest holidays are great, and because each lodge has a hottub rather than shared pool, much more individual which is good at the noment

Butlins.

The hotels or Gold/Wave accommodation is recommended.
The hotel is at Bognor, but Minehead is my favourite.

I've done Centre Parcs s couple of times, but my children preferred Butlins.

Thanks, looked into these but they're either booked, or they only do a 7 night stay which we don't want.
Not crazy on Butlins and I think none of the usual entertainment stuff is on at the moment, so not much point in going anyhow. 🤷‍♂️
Back to drawing board !

We looked at this place for summer, didn't stay but good reviews.

www.puddleduckvalley.co.uk/index.html

There are holiday cottage complexes with indoor pools and play areas (although the one we're going to has communal indoor play areas closed) , we've been to a different one every year recently with young kids. Some do a few nights rather than a full week. We've always gone nearish beaches tho...
Pembrokeshire also nice, might stretch your 2-hr limit slightly.
Have you looked at glamping sites? Not done it myself but heard good things...

Cheddar Woods is nice. Playground and swimming pool. Days out at Wookey Hole and Wells.

www.darwinescapes.co.uk/parks/cheddar-woods-resort-spa/

Dome garden in the Forest of Dean

We’re in Clowance Estate right now, the lodges are lovely. We’re in the smallest one which is the studio lodge and it’s quite cramped for 4 of us but it was the onlt one available when we booked this only about 3 weeks ago. There are bigger lodges though, check them out. Apart from the size, they are very nice 👍

Cotswold water park is similar to Centerparcs.

Ribby Hall Leisure Village is 3 hours from Bristol so a it further than you want but I did that trip myself with a baby and a toddler and it was fine. They've just done up their swimming pool and now have a mini zoo.