Len Rosso | Colliers International | London - West End

Len Rosso

Head of Industrial and Logistics

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Professional Summary

Len has more than 30 years' experience in the commercial property sector. Having started out as a trainee surveyor in 1983 he moved on to set up Jansons in 1990, a niche agency specialising in industrial in North and West London. In 2004/5 the business was voted Industrial Agency of the Year, this being the first ever non West End national practice to have won this prestigious award. In that same year the business transacted in excess of 3.5 million sq ft which accounted for in excess of 50% of the total transactions for the North and West London market.

Since joining Colliers International, as the Head of the UK Logistics and Industrial Department, the objectives are the same as always, to outperform all competitors whilst providing the highest level of service to all our clients. In 2018, the Colliers International UK Industrial & Logistics team completed over 250 deals totalling over 15 million sq ft. 


•    Set up Jansons in 1990.
•    Head of Colliers International UK Industrial & Logistics team which comprises over 30 members of staff.


I have worked in the West London area for in excess of 30 years, advising numerous landlords and tenants. I have been responsible for more industrial and warehousing transactions than any other agent.

Memberships & Involvements



Aberdeen standard
Legal and General
Royal London Asset Management
Tritax Big Box

db symmetry
Albion Land

Urban Outfitters
Toll Global Forwarding 
Grafton Group


Development Advisory
Service Lines
National Capital Markets
Featured Research
28 Jul 2020
UK Industrial & Logistics Barometer - July 2020
The pandemic has emphasised the importance of logistics as the backbone of our economy and occupiers are now racing to embrace further changes in consumer expectations.
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5 Mar 2020
Industrial & Logistics Viewpoint 2020
This report provides a detailed overview of national and regional industrial & logistics sector activity.
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1 Mar 2020
Industrial & Logistics Rents Maps
Interactive maps showing the change of prime rents, secondary rents and land values across more than 100 locations in the UK & Ireland.
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Featured News
5 Nov 2020
Colliers International Industrial & Logistics team wins top deal in the country for Q3
Stellar logistics team recognised with ten CoStar Q3 2020 deal awards.
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15 Oct 2020
Lack of occupier supply chain capacity pushes Industrial take-up to record highs
Colliers International’s Q3 market update shows activity levels for year so far already 10.7% above the full-year total for 2019.
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30 Jul 2020
E-tailers and their customers facing increasing costs because of sustainability and supply and demand issues
Research, undertaken by Colliers International, of over 240 occupiers, landlords and real estate professionals with an estimated real estate asset value under management in excess of $900 billion, has revealed that 76 per cent believe the COVID-19 pandemic has accelerated customers being affected by higher prices for their home deliveries in the future.
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11 May 2020
Colliers International is recognised for 15 CoStar Q1 2020 deal awards
Colliers International is proud to have been recognised for 15 CoStar Q1 2020 deal awards across the UK business.
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