I had two independent novels edited - but not line edited - for around the 300 GBP mark each, but it was a while ago.
On the subject of lacking of proof reading, can I suggest having a look at @Triceratops blog in the blogs section and seeing what makes a good small publisher - end product is part of it. I'm with a small publisher and I've had an amazing editor in @Teresa Edgerton - and it doesn't get better than that - and a full copy edit by Sam Primeau (@TheDustyZebra). It's about the publisher and those trying to put out quality titles have good editing. It's certainly something to check out before contracts are exchanged.
On the subject of lacking of proof reading, can I suggest having a look at @Triceratops blog in the blogs section and seeing what makes a good small publisher - end product is part of it. I'm with a small publisher and I've had an amazing editor in @Teresa Edgerton - and it doesn't get better than that - and a full copy edit by Sam Primeau (@TheDustyZebra). It's about the publisher and those trying to put out quality titles have good editing. It's certainly something to check out before contracts are exchanged.