Definitions Used for the UK Directory List
Free:. No restrictions imposed. These directories may also offer reciprocal or paid options.
Reciprocal: A reciprocal link is required as a condition of listing.
Paid: A payment is required.

The United Kingdom is broken up into a number of sub-categories (see below). First you have Ireland, Scotland and Wales. London, England listings are in it's own category.  United Kingdom sites that focus on a a specific region are in the UK Regional category. 
United Kingdom sites that focus on a a specific niche (such as travel or real estate) are in the UK Niche category.

Ireland (49)
London (17)
Wales (13)


Medranks Premium web directory

Featured listings

Maximizer

Dirdawn Premium web directory
Sort by: PageRank | Hits | Alphabetical | Date Added

Regular listings

Greenstalk General web directory

DirMaxe Deep Links

WMD General Web Directory

Listing Dir

BDirectory Business Directory