It's not worth getting a VCR repaired.
There are very few places which sell VCRs these days. However, Argos still have them. Their cheapest VCR is a mono model by Funai (�34.99):
http://www.argos.co.uk/static/Product/partNumb er/5333772.htm
They also stock a Nicam stereo VCR, by Funai, for �44.89:
http://www.argos.co.uk/static/Product/partNumb er/5333868.htm
Funai are a major Japanese manufacturer. Some of their products are manufactured for (and sold under the brand names of) Pye, Philips, Hitachi & Sharp. (Also, if you buy a Kodak digital camera or a Dell printer, there's a good chance that it was made by Funai).
If you'd prefer your VCR to have a more familiar name on the front, Argos have a Philips Nicam model for �59.99 (but, as stated, it might have been made by Funai anyway):
http://www.argos.co.uk/static/Product/partNumb er/5333916.htm
Chris