The average asking price for a home with five or more bedrooms is now £547,500 - up by 23% on a year ago.
Smaller properties have seen much smaller increases in price - just 3% for a four-bed home, and 5% for two bedrooms.
The figures have been produced by a network of independent estate agents.
Pothole damage claim for every seven miles of road
Nearly 1,200 claims against council
Earlier kick-off for Devon derby
Match will get underway at 12.30
Exeter Dryden Road consultation reopens
The deadline for responses has been extended
Devon teenager charged after Somerset stabbing
Man attacked on street
Two Plymouth towns set for major boost
Residents to call the shots
Could more Dartmoor car parks charge prices?
There are only a small number at present
