Strutt & Parker won the UK Sales Agency of the Year award at the annual RESI Awards event, organised by Property Week magazine and now in its fifth year.
A string of other high-end agencies won gongs at the event, which was held at Grosvenor House in London.
Residential Investment Agency of the Year was won by Knight Frank, which also won the award for International Sales Agency of the Year.
Chestertons won the Letting Agency of the Year gong while Savills took Property Manager of the Year - and the head of Savills’ London residential team, Dominic Grace, was named Personality of the Year.
Residential Consultancy Practice of the Year was taken by CBRE and the first-ever RESI Retirement Living Operator of the Year award went to Audley Retirement.
Unite Students won Student Accommodation Operator of the Year award and the Newcomer of the Year award went to Property Partner.
The awards are an extension of the annual RESI Conference held during the early autumn at Celtic Manor in south Wales.