Listed in The Legal 500 and Chambers UK as a leader in his field, Jason is a partner in the Property and Housing 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.

Jason established the teams highly regarded service to well-known investors in the private rented sector, in particular Grainger, Get Living and Tipi. The service is now led by Stephen Small.

Many of Jason's 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, retailers and individuals.

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

Jasonhunter UK 2022
Legal500 Leadingindividual 2022
  • Working with colleagues in the planning team, helping a client stop his landlord pursuing rooftop development above his Central London apartment
  • In the aftermath of Grenfell, advising owners and occupiers of buildings about cladding and related works including about the recovery of the costs through the service charge, or, working with colleagues in the Construction Disputes team, recovery from the developer or making claims against professionals or NHBC policies
  • Regularly advising party wall and other neighbourly matters
  • Assisting clients gain access to neighbouring land to enable repairs to be undertaken to their property, using the Access to Neighbouring Land Act 1992 where necessary
  • Successfully mediating (by remote mediation) substantial dilapidations claims for damages between a former landlords and tenants, including one case where the impact of Covid had an impact on the valuation of the claim
  • Regularly helping parties resolve or avoid disputes about alterations and trespass claims, particularly where it affects premises in the building, or next door
  • Mediating a dispute between a landlord and former tenant about a compromise agreement, helping them come to a further settlement
  • Ever more frequently, working with colleagues in the Insolvency team to help landlord clients (whether commercial or residential) when their tenant becomes insolvent, with a particular recent focus on high-profile Company Voluntary Arrangements
  • Supporting a client faced with an injunction relating to party wall works
  • Acting for an off-shore company in a dispute with an occupier of its London property, among other things, about whether or not there was a property contract or a proprietary estoppel in the occupier's favour
  • 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
  • Successfully mediating a three-party dispute between a flat owner, a developer and a restaurant occupier about claimed representations and infringements of property rights
  • Advising and acting for residents management company in relation to a prestigious block of flats in Central London about a range of property management problems and neighbourly matters, including working with colleagues to advise about Data Protection issues and also about harassment and nuisance matters
  • 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 an 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
  • Member of the Pyramus & Thisbe Society, an organisation promoting excellence in Party Wall practice 
  • The Legal 500 (2022) describes Jason as "responsive and proactive."
  • Chambers UK (2020) describes Jason as an "extremely knowledgeable and proactive litigator" saying he is "pragmatic and sees the bigger picture"
  • "Jason is quick to respond and efficient with paper work while also having good common sense" The Legal 500 (2020)
  • Chambers UK (2019) comments Jason is "a total expert in property disputes" and "a brilliant solicitor"
  • The Legal 500 (2019) states that Jason "excels on party wall disputes, nuisance cases and providing strategic advice to developers" and he "constantly drives matters towards resolution"
  • "An experienced man with an excellent knowledge of the law" Chambers UK (2018)
  • Recognised in The Legal 500 (2017) as a 'leader in his field'
  • Jason regularly appeared on ITV's This Morning as one of its 'legal eagles'
  • Member of the Property Litigation Association and was its chairman in 2003/4

  • '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"