Jon specialises in construction and engineering law, with a specific focus on procurement and tendering advice and the drafting of construction and engineering contracts. His experience includes drafting and advising on all aspects of national and international construction and engineering contracts, using bespoke and standard forms such as FIDIC, IChemE, NEC and JCT. Jon advises developers, lenders, contractors and consultants in a variety of sectors, including office, leisure, retail and residential schemes.
Jon’s international work has included advising on construction and engineering contracts for infrastructure, mining and energy projects in various countries, including the UK, Afghanistan, Panama, Kuwait, Egypt, Kenya and New Mexico.
Expertise
- Construction procurement
- Construction tendering
- Construction contracts
- Engineering contracts
- Building contracts
- Consultant appointments
- EPC & EPCM contracts
- Development management agreements
- Infrastructure
- Mining
- Energy
- Development finance
- Refurbishments
- Redevelopment
- Fitting-out
- Construction insolvency
Experience
UK - General Construction Highlights
- Advised a leading developer of office and mixed-use space in relation to the construction and fitting-out of a variety of buildings in the UK.
- Advised a global multinational on the refurbishment of a number of office premises following its post-Covid return-to-work programme.
- Advised a global private equity firm on the construction aspects of the relocation of its headquarters to Paddington.
- Advised a private equity firm on the construction aspects of the relocation of its offices to St James, London.
- Advised a developer in relation to two 50-storey residential towers in London.
- Advised tenants in relation to a variety of fitting-out projects for offices in the UK.
- Advised a specialist M&E contractor in relation to its contract for M&E works at a new road crossing in the UK.
- Advised a specialist contractor following the collapse of Carillion and its ongoing arrangements.
- Advised an architect on the contracts for various residential and office developments in the UK.
- Advised a US bank on the construction aspects of its £750m acquisition of a business park portfolio.
- Advised a US bank on the construction aspects of the funding of an acquisition of a mixed portfolio of student accommodation.
- Advised a developer in relation to the extension of time and loss and expense claims arising out of Covid and other matters.
- Advised a battery storage company in relation to negotiations for variations to existing contractual arrangements for the construction of a battery storage facility in the UK.
- Advised a contractor in relation to its proposed purchase of another contractor/service provider business.
- Advised a US funding institution on the construction aspects of a refinancing of two student accommodation buildings in Leicester and Colchester.
- Advised a developer on a large BTR property in London.
- Advised a developer on the proposed masterplanning of a large regeneration project in London.
- Advised an architect on the contracts for various residential and office developments in the UK.
- Advised a consultancy group on the contracts for design services in the UK.
- Advised a utility in relation to the construction aspects of a proposed gas storage facility in the UK.
- Advised a construction services consultancy on its standard terms of appointment.
- Advised a construction services consultancy on its framework arrangements with subconsultants.
- Advised a developer in relation to the insolvency of a counterparty, including making claims under performance security.
- Advised on procurement matters and management contracts for a building owner of a landmark building in the West End of London, in relation to the tenants’ works to create retail space, and other facilities, including significant works to the interior and exterior of the building
- Advising a residents’ management company in relation to required remedial works, as a result of fire safety issues at a large residential property in London. Further advice was provided on issues arising under the Building Safety Act and the Developer Remediation Contract
- Advised a global airline on their proposed refurbishment, or alteration, of an aircraft hangar and maintenance facilities in the UK a. The project will allow increased maintenance capacity for its airline fleet
International - General Construction Highlights
- Advised a government authority in relation to the US$5.8 billion expansion of a major maritime project in Central America.
- Advised an O&M contractor in relation to settlement negotiations for logistics contracts in the Middle East.
- Advised the US government and Afghanistan Ministry of Mines on the development of the mining industry in Afghanistan.
- Advised investors in relation to the construction aspects of an investment into the expansion and upgrade of a cement processing plant in Kenya.
- Advised lenders on the construction aspects of a major petrochemical complex in Egypt.
- Advised an EPC contractor in relation to variations to contract documentation for a new hospital in Europe.
- Advised a global mining company in relation to the development of its standard-form construction contracts.
- Advised a global fertiliser company on its standard-form construction contracts.
- Advised a multi-disciplinary consultant on the novation of contracts in various jurisdictions following the acquisition of a construction advisory business.
- Advised an O&M contractor in relation to turbine supply issues for power and water plants in the Middle East.
- Advised an O&M contractor on the terms of a supply contract for spare parts for power and water plants in the Middle East.
- Advised an owner in relation to the development of a new hotel in the UAE.
- Advised a global information company on the refurbishment of offices throughout the EMEA region.
Infrastructure
- Advised a government authority in relation to the US$5.8 billion expansion of a major maritime project in Central America.
- Advised an EPC contractor in relation to variations to contract documentation for a new hospital in Europe.
- Advised a specialist M&E contractor in relation to its contract for M&E works at a new road crossing in the UK.
- Advising a rail infrastructure company on the contract for a new machine hall building in the UK.
- Advised a utility on the tender process for a major cross-city infrastructure project in the UK.
- Advised a bidder in relation to a rail project in the UK.
- Advised a developer on the financing of works following on from the work on the infrastructure contract, including liaising with the lender’s lawyers over the construction aspects of the finance agreement, and dealing with all necessary due diligence enquiries.
Energy and Natural Resources
- Advised the US government and Afghanistan Ministry of Mines on the development of the mining industry in Afghanistan.
- Drafted and negotiated a turbine supply contract on behalf of a contractor/operator for a power plant in Kuwait.
- Advised an O&M contractor in relation to turbine supply issues for power and water plants in the Middle East.
- Advised an O&M contractor on the terms of a supply contract for spare parts for power and water plants in the Middle East.
- Advised investors in relation to the construction aspects of an investment into the expansion and upgrade of a cement processing plant in Kenya.
- Advised lenders on the construction aspects of a major petrochemical complex in Egypt.
- Advised a project sponsor in relation to variations to contractual arrangements for a mine in the UK.
- Advised a global mining company in relation to the development of its standard-form construction contracts.
- Advised a global fertiliser company on its standard-form construction contracts.
- Provided support to a global chemical company in relation to the proposed procurement of a new petrochemical complex in China.
- Advised a battery storage company in relation to negotiations for variations to existing contractual arrangements for the construction of a battery storage facility in the UK.
- Advised a utility in relation to the construction aspects of a proposed gas storage facility in the UK.
- Advised a contractor/turbine supplier in relation to the construction of three CHP plants in Nigeria.
- Advised a specialist subcontractor in relation to an undersea gas pipeline tender.
- Advised the project sponsor in relation to the design and construction of a biodiesel plant in France and Scotland.
- Acted on behalf of project sponsors in relation to the construction aspects of a mineral processing plant in Kenya.
- Acted on behalf of project sponsors on the construction documents for a nickel mining project in Turkey.
- Advised lenders on the construction aspects of a copper/cobalt project in New Mexico.
- Advised the project sponsor on the construction aspects of a proposed petrochemical project in the Kingdom of Saudi Arabia.
- Advised a utility in relation to the construction aspects of its acquisition of a solar panel manufacturer involving projects in the UK and abroad.
Retail - Commercial Property/Property Development
- Advised on the construction aspects of the acquisition of two shopping centres in the UK.
- Advised a purchaser of a mixed-use market destination in London.
- Advised a developer on the refurbishment of retail units on Oxford Street, London.
- Advised a developer on the redevelopment of retail premises on New Bond Street, London.
- Acted for the owner of retail parks/units in the UK.
- Advised a contractor in relation to a retail park in the UK.
- Advised a developer on the construction law aspects of its joint venture to develop a new designer outlet destination in London.
- Advised client in relation to the expansion of a business park in the North West of England. The park is important to attract local businesses to the area and sustainability and the environment are at the forefront of the project
Office- Commercial Property/Property Development
- Advised a developer of office space in relation to the construction and fitting-out of a variety of buildings in the UK.
- Advised tenants in relation to a variety of fitting-out of offices in the UK.
- Advised a global multinational on the refurbishment of a number of office premises following its post-Covid return-to-work programme.
- Advised a global private equity firm on the construction aspects of the relocation of its headquarters to Paddington.
- Advised a private equity firm on the construction aspects of the relocation of its offices to St James, London.
- Advised a national children’s charity on refurbishment of various offices throughout the UK.
- Advised an overseas investor in relation to the construction aspects of the acquisition of a signature tower building in London.
- Advised a development manager in relation to the development of a landmark tower in the City of London.
- Advised a development manager in relation to the redevelopment of a site in Aldgate, London.
- Advised a developer on the acquisition of a new build site for its co-working business.
- Advised a US pharmaceutical company in relation to various upgrades to its UK office building.
- Advised an overseas investor in relation to the construction aspects of the acquisition of a substantial office building in London.
- Advised a REIT on the construction aspects of the acquisition of its first UK asset.
- Advised a global law firm on the relocation of its headquarters and the fitting-out of the new premises.
- Advising an overseas investor in relation to the purchase, and subsequent redevelopment, of a substantial office building in London.
- Advised a global bank in relation to various office fitting-outs and data centres in the UK.
- Advised a global bank in relation to the fitting-out of its offices in the City of London.
- Advised a global information company on the refurbishment of offices throughout the EMEA region.
Residential - Commercial Property/Property Development
- Advised a developer in relation to two 50-storey residential towers in London.
- Advised a developer in relation to various developments over the past 17 years.
- Advised a developer on a large BTR property in London.
- Advised a developer on the proposed masterplanning of a large regeneration project in London.
- Advised a developer on the redevelopment of a campus in Paddington.
- Advised a developer on the disposal of its interest in a campus in Paddington.
- Advised a funder in relation to the development of residential units in Wembley.
- Advised a student housing developer in relation to the development of two student housing developments in London.
- Advised an architect on various residential developments in the UK.
Hotels, Hospitality & Leisure
- Advised an owner on the refurbishment of a five-star hotel in the UK.
- Advised a charity on the development of a memorial centre and exhibition space in the UK.
- Advised an owner in relation to the development of a new hotel in London.
- Advised an owner in relation to the construction of a hotel in Dubai.
- Advised a US company in relation to contract documents for the development of a water-based theme park in the UK.
- Advised an owner on the refurbishment of a four-star hotel in the UK.
- Advised a national music company in relation to refurbishments to visitor facilities at a London theatre.
- Advised a developer in relation to the contract for an art installation at a development in London.
- Advised an aparthotel operator/developer in relation to the construction aspects of a new leasing and fitting-out in London.
- Advised a signature architect in relation to the redevelopment of a five-star hotel in the UK.
- Advised an owner on the redevelopment of a building for a five-star hotel and apartments in the UK.
- Advised an owner on a mixed-use leisure/retail scheme in the UK.
- Advised a Middle East company in relation to the fitting-out of a significant new museum complex in the Middle East.
- Advised a US air carrier in relation to the proposed fitting-out of its lounge at London Heathrow Airport.
- Advised on contracts for the construction and fitting-out of a restaurant barge in London.
Banking and Finance – Construction
- Advised a US bank on the construction aspects of its £750m acquisition of a business park portfolio.
- Advised a US bank on the construction aspects of the funding of an acquisition of a mixed portfolio of student accommodation.
- Advised a US funding institution on the construction aspects of the refinancing of an existing facility for a property in Clapham.
- Advised a US funding institution on the construction aspects of a refinancing of two student accommodation buildings in Leicester and Colchester.
- Advised a private equity company on the construction aspects of a financing of projects at various locations in the UK.
- Advised a US private equity company on the construction aspects of the financing of various developments in London.
- Advised a US investor/funder in relation to the construction aspects of the purchase and development of various units at logistics/business parks throughout the UK.
Insolvency – Construction
- Advised a contractor in relation to issues following the insolvency of Carillion.
- Advised a developer in relation to the insolvency of a counterparty, including making claims under performance security.
- Advised a lender in relation to arrangements to step-in following insolvency of the developer.
- Advised a specialist cladding subcontractor in relation to issues following the insolvency of Carillion.
- Advised receivers appointed in relation to the insolvency of a developer of a housing development, including preparing supplemental agreements to ensure works could continue.
Please note: The experience list above may include examples of work completed prior to joining Keystone Law.
Recognition
Recognised by Best Lawyers (UK) 2025 in the area of Construction
Recognised by The Legal 500 (2024-2025) as a ‘Next Generation Partner’ for Construction
Recognised by The Legal 500 2022 as a ‘Next Generation Partner’ for Construction
Recognised by The Legal 500 2021 as a ‘Next Generation Partner’ for Construction
“Attentive and knowledgeable.” The Legal 500 2021
Recognised by The Legal 500 2020 as a ‘Next Generation Partner’ for Construction
Recognised by The Legal 500 2020 for Infrastructure
Career
Jon qualified as a solicitor in 2002. Prior to joining Keystone Law in 2022, he worked at Mayer Brown where he headed up the non-contentious Construction and Engineering team.