chefmoz.org: restaurant guide and restaurant review guide taken from the Open Directory Project. Mainly US based but there are a number of UK restaurant reviews.
Dine-Online: good selection of independent restaurant reviews from London, the rest of the UK and abroad
Eats: restaurant directory and restaurant review guide, select restaurants and restaurant reviews by area. Reviews contain standardised info suc as date and price of meal etc. Very concise information and easy to use.
Grabameal: restaurant directory and restaurant review guide. Very comprehensive directory but reviews seem to be a bit light on the ground. Be the first to review your favourite restaurant.
Harden's: Harden's London restaurant reviews. You must register to use this site.
London Restaurant Review: Restaurants are given an overall percentage rating based on set criteria from staff friendliness and attentiveness to toilet cleanliness (not forgetting food and drink quality). Good depth of info in the reviews.
Love2Dine: good number of restaurant reviews based on 4 or 5 criteria
Placetoeat: restaurant directory containing phone numbers and addresses of restaurants and take-aways ordered by uk towns. Many towns still to be added.
Restaurant Guide: restaurant directory listing a huge number of UK restaurants. Search by town, restaurant name, county or type of cuisine.
RestaurantGuides.co.uk: independent restaurant reviews posted by the public. Frank reviews rating sites from 1 to 5.