A skilled advocate whose practice concentrates on property-related insolvency, as well as commercial and residential landlord and tenant disputes. He excels in complex issues of valuation.
Strengths: "He is practical and commercial and has a very good rapport with clients." "Really responsive and completely on it. He will always give a really realistic timeframe and stick to it." "A very good trial advocate and one of the best in valuation work."Chambers and Partners UK Guide 2020 (Real Estate Litigation)
"Highly rated for both commercial and residential landlord and tenant matters."Legal 500 2020
Mark Sefton QC is a key name in the field of real estate law who is well known for his adept handling of insolvency-related property issues, as well as landlord and tenant matters. Who's Who Legal UK Bar 2019 Guide
"A skilled advocate whose practice concentrates on property-related insolvency, as well as commercial and residential landlord and tenant disputes. He excels in complex issues of valuation.
Strengths: 'His advice is always down-to-earth, sensibly reasoned and practical.' 'A barrister of quality and intellect.' 'He has excellent judgement.'
Recent work: Acted for the successful claimant in Minerva v Greenland Ram, a three-week trial in the Chancery Division concerning overage on the Ram Brewery development site in Wandsworth."
Chambers UK Guide 2019 (Real Estate Litigation)
"He provides excellent advice in a thoroughly understandable and practical way."Legal 500 2018 (Property Litigation)
"Widely acknowledged as one of the leading juniors in his field. His practice has a focus on property-related insolvency, as well as commercial and residential landlord and tenant disputes.
Strengths: 'Razor sharp and always commercial, his 1954 Act expertise is second to none.' 'He is very bright and can digest very complex points and look at how things are going to play out'.”
Chambers UK Guide 2018 (Real Estate Litigation)
"He is bright and determined, and displays great clarity of vision."Legal 500 (2017)
“Widely acknowledged as one of the leading juniors in his field. His practice has a focus on property-related insolvency, as well as commercial and residential landlord and tenant disputes.
Strengths: ‘Hugely brainy – he’s very insightful.’ ‘A major strength is his approachability – he is always happy to assist with even obscure queries. His advice is always down to earth, sensibly reasoned and practical.’
Recent work: Advised clients on a recovery dispute concerning a £21 million development site in Romford.”
Chambers UK Guide 2017 (Real Estate Litigation)
"Mark Sefton is considered “one of the pre-eminent juniors at the bar” and 'a delight to deal with in court'. According to a source, 'Sefton is calm, collected and able to tackle whatever is thrown at him'.”Who's Who Legal 2017
"Very easy to work with and fantastically bright. He is a rising – if not risen – star."Legal 500, 2016
"Handles a number of major cases across the field, particularly those featuring company valuation issues. He advises on both domestic and international work. Strengths: 'He is very good at advisory work due to his manner with clients. You know he will not let you down.' 'He is very good, pragmatic, clear and concise, in addition to being very responsive'. Recent work: Involved in a contractual dispute surrounding the £105 million acquisition of a Windsor based shopping centre".Chambers UK (2016)
"An experienced and talented practitioner, who practises in all areas of residential and commercial property law. He also acts for clients in leasehold enfranchisement, insolvency and professional negligence disputes. Expertise: 'His advice is always down to earth, sensible, reasonable and practical.' 'He is very good, and very easy to get on with.' Recent work: Acted for Humber Oil Trustees on a number of significant interim rent applications."Chambers UK (2015)
"He is able to absorb, process and analyse huge amounts of detail very quickly".The Legal 500 (2015)
“Singularly impressive; a rising star.” The Legal 500 (2014)
"Mark Sefton Heralded as a future star of the real estate arena, and has expertise ranging from general landlord and tenant work to leasehold enfranchisement. Expertise: 'Exceptionally clever and extremely cool, calm and collected. He inspires confidence and always gets the right result'. 'Mark is a rising star in the property world. A major strength is his approachability – he is always happy to assist with even obscure queries. His advice is always down to earth, sensibly reasoned and practical'. Recent work: He acted in the key case Humber Oil Terminal Trustees v Associated British Courts regarding interim rent applications, and for the London Borough of Havering in its claim for recovery of a multimillion pound development site." Chambers and Partners (2014)
"Recommended juniors include the ‘quietly incisive and forensic’ Mark Sefton; who is ‘a leading property junior’".The Legal 500 (2013)
“… Mark Sefton handles commercial and residential landlord and tenant law and property-related professional negligence and insolvency matters. Sources suggest that he is ‘very clever and very charming,’ and aver that he is ‘rapidly becoming one of the leading go-to senior juniors.’”Chambers and Partners (2013)
“… the ‘exceptionally bright’ Mark Sefton …”The Legal 500 (2012)
"Mark Sefton 'has a very calm, gentle but clear manner which you can see makes the court trust him immediately.' His recent highlights have included acting for landlords on issues arising out of the Regent Inns and Old Orleans group pre-pack administration. 'Fiercely bright,' this 'tenacious fighter' offers the 'perfect balance of the intellectual and the commercial' to his clients." Chambers UK (2012)
"Mark Sefton is 'is calm, methodical and brilliantly persuasive' ". Legal 500 (2011)
"Mark Sefton appeared for the Cadogan Estate in the Lands Tribunal appeal concerning the valuation of intermediate leasehold interests. Sources say he is 'a hugely talented practitioner who is great at getting his point across'."Chambers UK (2011)
"Mark Sefton is 'very clever, commercial and client focused' "The Legal 500 (2010)
"Mark Sefton's abiding qualities are his 'robustness and willingness to challenge ideas'. 'Fair and tactful, he brings a great sense of humour to proceedings' and can be seen in disputes of the greatest moment. Recently, he was a junior in the House of Lords case Boss Holdings v Grosvenor West End Properties". Chambers and Partners (2010)
"Mark Sefton is praised for 'his tenacious approach'".The Legal 500 (2009)
"He is highly rated alongside the totally unflappable, Mark Sefton: a purveyor of refreshingly commercial advice, Sefton has been involved of late in the rent review of the Lazard headquarters building in the West End of London, one of the largest commercial rent reviews of the last few years". Chambers & Partners (2009)
"Other rising juniors are the 'unflappable' Mark Sefton, whose 'refreshingly commercial advice' is welcomed by clients".The Legal 500 (2008)
"'The clear advice' of Mark Sefton marks him out for especial praise from instructing solcitors and clients. 'He excels in delivering counsel and advocacy relating to residential and enfranchisement cases'."Chambers and Partners (2008)
"Notable juniors include Mark Sefton a nice guy who fights a good fight who is very good, and rightly ambitious and direct and charming in equal measure." The Legal 500 (2007)
"Residential property litigation is a particular feather in the cap of the 'incredibly able and user-friendly' Mark Sefton. He attracted market support for his focused approach to complex cases".Chambers and Partners (2007)
Recommended as a Leading JuniorThe Legal 500 (2006) Property Litigation Section
"Another to strike the right note was Mark Sefton. A charming opponent, he handles complex briefs well and is particularly clued-up on residential law. He is very comfortable with complex cases". Chambers and Partners (2006)
"Mark Sefton is said to be very effective on the residential side, with further comment that he obviously knows his law inside out and he's very persuasive on technical arguments."Chambers and Partners (2005)