Prime Central London
Pricing, discretion and presentation in Chelsea, Belgravia and the wider prime market. How a particular home differs from the headline trend.
For journalists & editors
London property. A personal perspective.
Mark Breffit is the founder of KnokKnok Real Estate, an independent agency working across Prime Central and South West London. He writes The Brief on pricing, buyer behaviour and the decisions facing London sellers.

The conversation
Pricing, discretion and presentation in Chelsea, Belgravia and the wider prime market. How a particular home differs from the headline trend.
Family moves, local competition and the decisions facing sellers in Fulham, Parsons Green, Clapham and Streatham.
Founder-led service, property storytelling, social distribution and the role of AI alongside an accountable human broker.
Professional background
After the University of Surrey, Mark worked directly for Airbnb before roles at Dexters, Knight Frank and Hamptons Private Office. He founded KnokKnok to combine personal representation with a more creative approach to property marketing.
Earlier career experience belongs to Mark’s role at the time. It should not be presented as KnokKnok’s transaction history.
Read Mark’s full story →Published coverage
Mark and KnokKnok feature in The Times’ look at the agents using social media, personality and property films to reach buyers.
Read The Times feature ↗Mark’s earlier career · Property commentaryMark comments on the Crystal Palace villa featured in Black Doves, during his time at Hamptons Private Office.
Read the Country Life article ↗Publisher access conditions may apply. Coverage is not an endorsement.
From The Brief
Each edition reflects its publication date. For a current quote or clarification, contact Mark directly.
Media enquiries
Send your publication, topic, deadline and the questions you are exploring. Mark can confirm whether he is able to contribute and discuss the evidence behind his view.
For portrait files, image permissions or a fresh comment, please ask before publication.