Similar movies?

Lots of good horror comedies.

1. Scream trilogy.
2. Dog Soldiers. British werewolf horror comedy.
3. Undead or alive. Zombie funny movie.
4. Dark Ride. I like to think of it as a comedy parody.
5. Zombie Honeymoon.
6. Hatchet. That is the mother of all horror comedies!
7. Behind The Mask.
8. Slither.
9. Feast
10. So I Married An Axe Murderer.
11. Gremlins.
12. Ghoulies.
13. Eight Legged Freaks.
14. Evil dead 2.
15. Dead and deader.
16. Arachnophobia.
17. Club Dread. *beep* hilarious!
18. Lake Placid.
19. The Frighteners.
20. An American Werewolf In Paris.
21. An American Werewolf In Paris.
22. Cabin Fever.

All i can think of!

Bad Taste
Night of the Comet
The Texas Chainsaw Massacre 2
Night of the Creeps

Black Sheep, which played on double feature with Severance in some countries, is an absolute riot too! Actually it's far more outrageous and hilarious than even Severance. The two movies do make an excellent double feature.

evil aliens and the cottage

The Cottage is similar - not quite as good but still hilarious.

"You stand your ground and fight!"

Botched, with Stephen Dorff.

Even the end of the world has to start someplace...

I know it's not a british comedy but you gotta love Freddy vs. Jason! SOOO funny!

Definitely Evil Aliens. Brilliant low budget English comedy/horror.
Dog Soldiers isn't too bad either.