Sell
A tailored launch campaign for your home: cinematic film, editorial storytelling, targeted social distribution and expert negotiation.
Request a valuation ↗
Value my home ↗Find your next home. Ask about selling. Get to know KnokKnok.
The KnokKnok difference
Buyers scroll before they search. They care about lifestyle, not just layout. They want to feel something—not simply view something.
KnokKnok pairs the standards of a private office with the creativity of a campaign studio, led personally by founder Mark Breffit.
Why KnokKnok →
Chelsea · Belgravia · Prime Central London
Local judgement, considered exposure and a campaign led by Mark Breffit. Begin with the home and the move you want to make.
Explore our prime London approach ↗Choose your route
One standard of service. Three ways to work together.
A tailored launch campaign for your home: cinematic film, editorial storytelling, targeted social distribution and expert negotiation.
Request a valuation ↗Discover the homes in our collection. Explore the photographs, find your kind of London and speak directly to Mark about your next move.
Explore homes ↗See what we could create together. Film, editorial storytelling and social reach, with a personal approach to every property campaign.
See our marketing ↗Currently for sale
Campaign liveView the property ↗Parsons Green, SW6
NewView the property ↗West Kensington, W14
For saleView the property ↗Chelsea, SW3
For saleView the property ↗South Kensington, SW7
For saleView the property ↗King’s Cross, NW1
For saleView the property ↗Putney, SW15
For saleView the property ↗Streatham, SW16
For saleView the property ↗Fulham, SW6
For saleView the property ↗Streatham, SW16

11,765 sq ft · Main house and mews
From everyday London to exceptional London
The same founder-led care, creative energy and serious negotiation—whether the brief is a much-loved family home or a discreet global trophy asset.

Belgravia, SW1W
London, W11
Clapham, SW2

Off-market instruction
Career track record includes transactions and instructions handled by Mark before founding KnokKnok.
Property, made watchable
Every KnokKnok campaign is designed for the way buyers actually discover homes now: cinematic film, short-form social, founder-led tours and a story worth sharing.
Property stories reaching audiences across the UK, US, Middle East and Australia. Every property is a campaign, not a listing.
Explore our reachBefore your next move
A publication by KnokKnok
London, with a point of view.
Founder-led. Always.Now here’s the story
After working for Knight Frank and Hamptons Private Office—selling everything from family homes in South West London to properties in excess of £70m—Mark Breffit decided to build the agency he felt the market was missing.
“We won’t just list. We’ll launch your home like it’s a brand.”Talk to Mark ↗Meet the founder →
Proof, not promises
Selected signals from a career spent positioning London homes with precision.
Selling our flat from overseas felt incredibly daunting, but Mark made the entire process as smooth and stress-free as possible. Communication was exceptional throughout.
Your move
Give us the basics. Mark will come back personally with an honest first view—not an automated valuation and not a call-centre script.
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