Justin Mason is a deeply experienced valuer and surveyor of prime and super-prime property. He is also a respected expert witness, providing reports for Court purposes and facing cross-examination at High Court level. Justin’s entry to property began in 1989, graduating in Land Management before qualifying as a chartered surveyor and building a career in well-respected firms. He spent over a decade with Knight Frank, much of it as a partner, and has an encyclopaedic knowledge of London’s premier postcodes as well as a natural ability to connect with clients. Justin is a Member of the Royal Institution of Chartered Surveyors, an RICS Registered Valuer and a Member of the Academy of Experts.
Most read
New agency Draper London targets five-office PCL rollout
Founded by ex-Knight Frank and Aston Chase agent Craig Draper, the high-end firm is backed by former Greene & Co MD David Pollock.
In Pictures: $400mn LA mansion becomes world’s most expensive open-market property listing
Agents describe the eight-acre estate as the 'Crown Jewel of Los Angeles'.
By PrimeResi
UK Sotheby’s shrugs off market slowdown as Q1 sales hit £598mn
Top-end brokerage reports 'strong' start to 2026 with £1bn of property under offer, £4.15bn of stock on the market and 3,500 new registered buyers over £2mn.
Knight Frank cuts UK house price forecasts again
The outlook is not rosy for either prime or mainstream markets this year, but the property consultancy senses a 'change in political direction' before 2030.
By PrimeResi
In Pictures: Soho House founder’s private Scottish island hits the market with £10mn eco-lodge plans
Inchconnachan has been listed for sale at £3mn as-is, or at £10mn for a turn-key luxury retreat delivered under the 'direction & vision' of hospitality maven Nick Jones.
By PrimeResi
Nuhu-designed penthouse at Stirling’s Carlton Gardens scheme hits the market
Boutique agency lists 'showstopping' proposition just off the Mall for £13.9mn.
Chestertons & Aston Chase owner buys another London agency
Campions Group confirms second business acquisition in the capital this month.
By PrimeResi
US buyers drive £16mn of deals at luxury Mayfair scheme
Penthouse at REDD’s 6 Charles Street changes hands amid a flurry of American-led activity.
Mapped: How prices & rents have shifted across London’s top neighbourhoods so far this year
Latest data shows sales values falling across most PCL areas, with sharper drops in some of the most exclusive markets.
Agency lands trio of north London penthouse rental deals
High-end apartments in St John's Wood, Maida Vale and Regent's Park all went for full asking amid strong HNW demand.
LATEST ARTICLES
Landlord exodus ‘overestimated’ says property portal as major rental reforms come into play
Yet data from both OnTheMarket and Savills confirm a clear rise in sales of former rental homes.
By PrimeResi
Jo Eccles: Overconfidence is costing buyers in the core market
Eccord's MD runs through three key themes in the PCL market this month, including a disconnect between buyer expectations and reality - and why it's becoming harder to correctly interpret pricing.
By Jo Eccles
Interview: Knight Frank’s Peter Mayo on the changing role of auctions in the prime market
Agency's auctioneer and partner discusses outdated misconceptions, unusual lots and why more discretionary sellers are turning to the gavel.
‘Luxury assets may be about to turn a corner’ – Knight Frank
The global luxury investment market appears to be stabilising after a 'volatile decade' for art, wine, jewels and the like.
By PrimeResi
Industry Reactions: Mortgage lending is running above the six-month average
Fresh Bank of England data shows increases in both new approvals and total lending in March, which one pundit says demonstrates 'an underlying resilience to the housing market.'
By PrimeResi