Jonathan Watmough

Jonathan advises and represents clients in professional negligence claims against a wide range of professionals, including solicitors, barristers, insurance brokers, accountants, auditors, surveyors, architects, project managers, and structural engineers

• Acted in a £32m claim against solicitors following the failure of the CVA of a well-known fashion house.
• Acted in a £2.4m claim against accountants following an audit that failed to report fraud by a managing director.
• Acted in a £2.1m claim against insurance brokers following a hotel fire and the declining of insurance cover.
• Acted in a £160,000 claim against financial advisers following the loss of income and capital expected from a private investment portfolio.
• Acted in a £350,000 claim against surveyors arising from a failure to correctly value residential property.
• Acted in a £10.4m claim against project managers following the redevelopment of an exclusive country house hotel.
• Acted in a £3m claim against structural engineers following the demolition of property after a gas explosion and fire.
• Acted in a £650,000 claim against auditors who failed to discover theft and cheque fraud committed by a dishonest accounts clerk.
• Acted in a £75,000 claim against conveyancing solicitors whose errors delayed the sale of an exclusive London flat.
• Acted in a £1m claim against health & safety consultants following the mortality of a minor at prestigious office premises.
• Acted in a £850,000 claim against insurance brokers in connection with advice on business interruption insurance which failed to provide sufficient cover.
• Acted in a £1.8m claim against solicitors in relation to the mis-drafting of a commercial lease for a golf course.
• Acted in a £500,000 claim against accountants arising from the unlawful distribution of estate monies under a lasting power of attorney.
• Acted in a £1.5m claim against financial advisers, solicitors and accountants in relation to erroneous pension advice about the Lifetime Allowance.
• Acted in a £180,000 claim against litigation solicitors who failed to obtain the appropriate charge for securing a judgment debt.
• Acted in a £1.85m claim against conveyancing solicitors where legal difficulties arose following the purchase of development land.
• Acted in a £50,000 claim against insurance brokers who failed to disclose material information about the policyholder’s commercial operations.
• Acted in a £3m claim against solicitors and surveyors in connection with the re-financing arrangements for a coastal holiday park.
• Acted in a £95,000 claim against solicitors and counsel after court proceedings were issued despite being time-barred.
• Acted in a £10.5m professional negligence claim against accountants and solicitors in connection with the loss of tax relief available on an investment made under the Enterprise Investment Scheme.
• Acted in a £650,000 professional negligence claim against insurance brokers arising from the misrepresentation of material facts about commercial laundry premises damaged by fire.
• Acted in a £250,000 professional negligence claim against a financial adviser (in administration) and its professional indemnity insurers under the Third Parties (Rights against Insurers) Act 2010, in connection with erroneous pension investment advice.
• Acted in a £155,000 professional negligence claim against an agronomist after erroneous advice as to crop rotation and the application of insecticide resulted in the failure of a carrot crop.
• Acted in a £70,000 professional negligence claim against building contractors in connection with passive fire stopping installations at a residential care home facility.
• Acted in a £150,000 professional negligence claim against conveyancing solicitors arising from a boundary dispute following infill residential development.

Recognised by Chambers UK for Professional Negligence Band 1 2025–2026

Recognised by The Legal 500 for Professional Negligence 2016–2026

Recognised by Chambers UK for Professional Negligence 2018–2024

Member of the Professional Negligence Lawyers Association