Without correct advice, nus-propriétaires might find themselves incorrectly subjected to the 3% SDLT surcharge. prior to 31st March 2021 (deadline now extended to 30th June, 2020)
In summary, a French or other European nue-propriété right should not be and cannot be considered to be an "additional property" for SDLT purposes.
Peter Harris can provide a written opinion to support this on instructions.