My sister and her husband just recently bought a house in London: they're first-time homebuyers and took advantage of some innovative programs to invest in one of the greatest locations on Earth.
Because both of them work long hours, they used internet listings to make the most efficient use of their time when they were finding houses (and when they were renting, places to rent). One of the best resources to increase your success in finding an appropriate place to buy real estate is Welcome Home UK. 
On this link you'll find a comprehensive database with a variety of locations, price ranges, and reviews. It's the one of the most widely-used and accurate listings online, so if you're looking for a place to rent or buy, you'll benefit from using this free service, which includes e-mail alerts.
If you're looking for representation, or you need to expand to a commercial location, there's even a list of over 12,000 UK-based real estate agents. The links are totally up-to-date and have great interactive maps, school and business information, and pictures, as well as all the technical details of the houses. For example:
Houses to buy in York
or
Properties to rent in Liverpool
Each listing shows pictures, specifications, and links on getting a mortgage quote online. The service is useful for renters, potential homeowners, investors, and those looking for second or vacation homes in Great Britain.
I hope that you'll use this resource if you are thinking of moving, investing, or buying another home in England, Scotland, Ireland, or Wales. Then let me know so I may come and visit you!
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