Listed in The Legal 500 and Chambers UK as a leader in his field, Jason is a partner and head of the housing and property litigation team, specialising in the avoidance or resolution of property disputes (using Alternative Dispute Resolution (ADR) or litigation).

He advises on all areas of property litigation, including landlord and tenant law (residential, mixed use and commercial) and property disputes about boundaries, party walls, restrictive covenants, trespass, rights of way, and rights of light.

Interviewees label him a "brilliant" solicitor and a "total expert" in property disputes - Chambers UK (2019) and that he "constantly drives matters towards resolution" - Legal 500 (2019).

Jason leads the team's highly regarded service to well-known investors in the private rented sector, in particular Grainger plc and Get Living London Ltd.

Many of Jason's individual clients own very high value residential property, particularly in prime central London.

Jason is also an experienced mediator (accredited with ADR Group (1997) and CEDR (2018)). His mediation cases range from smaller scale disputes to large scale million pound multi-party claims, involving property companies, utility companies, not-for-profit organisations and individuals.

Jason trained at Russell-Cooke, qualified in 1992 and became a partner in 1997.

  • Working with colleagues in the planning team, helping a client stop his landlord pursuing rooftop development above his Central London apartment
  • Regularly helping parties resolve or avoid disputes about alterations and trespass claims relating to expensive London flats
  • Mediating a dispute between a landlord and former tenant about a compromise agreement, helping them come to a further settlement
  • Supporting a client faced with an injunction relating to party wall works
  • Helping a client settle a claim about leaks and damage caused to a flat
  • Challenging or enforcing party wall act awards, including a challenge to an award of security for expenses set very high, a challenge to the method of construction of a very large wall and opposing a challenge to an award determining costs and fees
  • Advising the owner of a Central London office building in its dispute with the owner and tenant of a neighbouring building about a trespass and the cessation of rights over the building
  • Mediating successfully a high-value dilapidations claim between a landlord, tenant and a well-known utility company
  • Successfully mediating a three-party dispute between a flat owner, a developer and a restaurant occupier about claimed representations and infringements of property rights
  • Helping a landlord evict a tenant from restaurant premises because of arrears of rent
  • Acting for a well-known financial institution in a complex service charge and appointment of a manager dispute in the Leasehold Valuation Tribunal (now the First Tier Tribunal (Property Chamber)) at one of its mixed use schemes
  • Mediating a professional negligence claim against a solicitor who failed to advise on a onerous lease clause, helping achieve a compromise
  • Helping a well-known developer resolve various service charge problems on four of its London projects, and advising it about breaches of lease by flat owners
  • Acting for a commercial tenant in an appeal against a rent review arbitration
  • Advising a former tenant of a distribution warehouse in its defence of a dilapidations claim
  • Acting for a commercial tenant threatened with repossession because of claimed breach of the user clause
  • Member of the Property Litigation Association and was its chairman in 2003/4
  • Interviewees in Chambers UK (2018) say he is "brilliant" and "an experienced man with an excellent knowledge of the law"
  • Recognised in The Legal 500 (2017) as a 'leader in his field'
  • Chambers UK (2017) say he is "a very good lawyer with a very good understanding of the law," according to sources. He is a highly experienced property litigator and frequently handles disputes relating to both commercial and residential property.
  • Chambers UK (2016) said of the team that "They are extremely responsive, very commercial and practical"
  • Chambers UK (2012) said "working with him is easy; he makes sure we completely understand each other"
  • Chambers UK (2010) noted that [he is] "one of the most organised and meticulous litigators you will ever find"
  • Jason regularly appeared on ITV's This Morning as one of its 'legal eagles'
  • 'Business Tenancies: A guide to the new law' (Law Society 2004)
  • 'Dilapidations' (RICS Case in Point series, 2006; 2nd Ed on-line 2012)
  • Contributed to the online RICS projects "isurv Commercial Property' and "isurv Dilapidations"