The definitive guide to London's widest range of new-build properties.

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The client

Web development

Product design

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JLL is an international professional services and investment management company specializing in real estate. With over 350 professionals operating from a comprehensive network of UK regional offices, the Residential team at JLL is the most comprehensive full-service advisor in the market. JLL Residential has vast experience covering all aspects of work across London and in the Lea Valley in particular. They are currently marketing a number of schemes in the Lea Valley.

Visit JLL website

Entire architecture and development of the website is built with Ruby on Rails. It took us 4 months to finish the platform. The main screen contains a huge London map with the investment area highlighted. User is allowed to get more details about Lea Valley, for example, planned transport routes, sport, leisure and parks areas, most of all: pricing (£ per sq ft) and price growth forecast for the next 5 or 20 years.



Team members




Lines of code

21 000

New investments

111 700

Detailed areas


“They’re not such a huge firm that you get lost in the mire of it. You matter to them as a client. There’s a feeling that they really want your project to be successful and they’re there for you. Whenever our client had any issues, they have fixed it right away or made sure that it was a top priority.”

Hubert Traczyk Heart Grenade Founder Picture
Hubert Traczyk
CEO at Heart Grenade