# J3 Advisory > J3 Advisory is a UK specialist property advisory business providing independent advice across Structural Warranties, Transactional Risk and Structured Property Finance. J3 Advisory works with developers, lenders, investors and property professionals across the UK, advising on the insurance, risk and funding considerations that affect property development, investment and transactions. J3 Advisory has supported more than 1,000 property developments, with a combined Gross Development Value (GDV) exceeding £5.9 billion. Experience spans residential development, Build to Rent (BTR), Purpose-Built Student Accommodation (PBSA), affordable and social housing, commercial property, mixed-use schemes, conversions, regeneration and major developments. - [J3 Advisory](https://j3advisory.co.uk/): UK property insurance, risk and finance advisory. - [About J3 Advisory]https://j3advisory.co.uk/about-us-j3-advisory-structural-defects-insurance/ : J3 Advisory's expertise, approach and leadership team. - [Project Portfolio](https://j3advisory.co.uk/portfolio/): Selected projects demonstrating J3 Advisory's experience across the UK property market. - [Insights](https://j3advisory.co.uk/insights/): Research, market analysis and specialist property guidance. - [Contact J3 Advisory](https://j3advisory.co.uk/contact/): Contact J3 Advisory. ## Structural Warranties J3 Advisory provides independent Structural Warranty and Latent Defects Insurance advice for property developments across the UK. J3 Advisory works across Structural Warranty providers and A-rated insurer capacity. Advice considers provider experience and technical capability, underlying insurer financial strength and appetite, approval requirements, policy wording, inspection regimes, lender and investor acceptance, and financial limits within the policy. J3 Advisory supports clients through the warranty process, including technical submissions, inspections and underwriting requirements through construction, Practical Completion and warranty certification. - [Structural Warranty](https://j3advisory.co.uk/structural-warranty/): Independent Structural Warranty and Latent Defects Insurance advice for UK property developments. - [New Build Warranty](https://j3advisory.co.uk/new-build-warranty/): Structural Warranty advice for new-build residential developments. - [Commercial Latent Defects](https://j3advisory.co.uk/structural-warranty-insurance-commercial-latent-defects-insurance/): Latent Defects Insurance for commercial, retained and investment assets. - [Conversion Warranty](https://j3advisory.co.uk/conversion-building-warranties/): Structural Warranty advice for conversion and refurbishment projects. - [Social Housing Warranty](https://j3advisory.co.uk/social-housing-warranty/): Structural Warranty advice for affordable and social housing developments. - [Retrospective Structural Warranty](https://j3advisory.co.uk/retrospective-warranty/): Structural Warranty solutions for completed and part-complete developments. - [Receivership Warranty](https://j3advisory.co.uk/insolvency-and-receivership-warranty/): Structural Warranty solutions for developments affected by receivership, insolvency or changes in delivery arrangements. ## Projects We Cover J3 Advisory advises across different property sectors, development types and ownership structures. - [New Homes for Sale](https://j3advisory.co.uk/new-homes-for-sale/): Advice for residential developments being built for private sale. - [Build to Rent](https://j3advisory.co.uk/build-to-rent/): Insurance and risk advice for Build to Rent developments and investment assets. - [Major Projects](https://j3advisory.co.uk/major-projects/): Advice for high-rise, high-value and technically complex residential and mixed-use developments. - [Mixed-Use Developments](https://j3advisory.co.uk/mixed-use-developments/): Insurance and risk advice for developments combining residential and commercial uses. - [Affordable and Social Housing](https://j3advisory.co.uk/affordable-and-social-housing/): Advice for affordable housing, social housing and Registered Provider developments. - [Conversions for Private Sale](https://j3advisory.co.uk/conversions-for-private-sale/): Advice for residential conversion and refurbishment developments. ## Transactional Risk J3 Advisory provides specialist advice on insurance solutions for legal and transactional risks affecting property development, investment, funding, acquisition and disposal. J3 Advisory works with developers, investors, lenders, solicitors and other professional advisers to identify property-related risks and structure appropriate insurance solutions. - [Transactional Risk Insurance](https://j3advisory.co.uk/transactional-risk-insurance/): Specialist insurance advice for legal and transactional property risks. - [Legal Indemnities](https://j3advisory.co.uk/legal-indemnities/): Legal Indemnity Insurance for property developments and transactions. - [Rights of Light](https://j3advisory.co.uk/rights-of-light/): Insurance for Rights of Light exposures affecting property development. - [Defective Title](https://j3advisory.co.uk/defective-title/): Insurance for identified title risks affecting property ownership, development, funding or transactions. - [Planning Defects](https://j3advisory.co.uk/planning-defects/): Insurance solutions for identified planning risks. - [Judicial Review](https://j3advisory.co.uk/judicial-review/): Insurance for Judicial Review risks associated with property development and planning decisions. - [Environmental Insurance](https://j3advisory.co.uk/environmental/): Insurance solutions for identified environmental property risks. ## Surety Bonds and Guarantees J3 Advisory advises on Surety Bonds and Guarantees for property development and construction. These products can provide financial protection to developers, lenders and other stakeholders where specified contractual obligations are not met, including certain circumstances involving contractor default, insolvency or breach of contract. - [Surety Bonds and Guarantees](https://j3advisory.co.uk/surety-bonds-guarantees/): Surety and guarantee solutions for property and construction. - [Construction Bonds](https://j3advisory.co.uk/construction-bonds/): Financial protection against specified contractual and contractor default risks. - [Insurance Backed Guarantees](https://j3advisory.co.uk/insurance-backed-guarantees/): Insurance-backed protection for specified construction and installation obligations. ## Structured Property Finance J3 Advisory provides independent property finance advice for developers, investors and property businesses. Funding advice considers the asset or development, project stage, capital requirements, borrower objectives and proposed exit. J3 Advisory advises across Bridging Finance, Development Finance and Investment Finance. - [Structured Property Finance](https://j3advisory.co.uk/structured-property-finance/): Independent property finance advice for developers and investors. - [Bridging Finance](https://j3advisory.co.uk/bridging-finance/): Short-term property finance for acquisitions, refinancing and time-sensitive property transactions. - [Development Finance](https://j3advisory.co.uk/development-finance/): Development funding across residential build-to-sell, Build to Rent, co-living, PBSA, care, mixed-use and commercial developments. - [Investment Finance](https://j3advisory.co.uk/investment-finance/): Finance for the acquisition, refinancing and long-term ownership of residential and commercial investment property. ## J3 Lender Portal The J3 Lender Portal provides independent insurance due diligence for property lenders across residential, Build to Rent, PBSA, mixed-use and commercial developments. J3 Advisory reviews borrower insurance arrangements, identifies potential gaps and considers the insurance strategy against the development and lending requirements. - [J3 Lender Portal](https://j3advisory.co.uk/lender-portal/): Independent insurance due diligence for property lenders. ## Sectors J3 Advisory's experience spans: - Residential Development - Build to Rent (BTR) - Purpose-Built Student Accommodation (PBSA) - Co-Living - Affordable and Social Housing - Care - Commercial Property - Mixed-Use Development - Offices - Industrial and Logistics - Retail - Property Conversion and Regeneration - Retained and Investment Assets - Major and Complex Developments ## Project Experience J3 Advisory has supported more than 1,000 property developments, with a combined GDV exceeding £5.9 billion. The J3 Advisory portfolio contains first-party case studies demonstrating experience across Structural Warranties, Latent Defects Insurance, Construction Insurance, Transactional Risk and Structured Property Finance. Projects span residential, PBSA, Build to Rent, affordable housing, commercial, mixed-use, conversion and regeneration developments throughout the UK. Individual case studies provide information about the client, location, sector, project scale, services provided, project challenges and J3 Advisory's role. - [Project Portfolio](https://j3advisory.co.uk/portfolio/): Selected property developments and transactions supported by J3 Advisory. ## Research and Insights J3 Advisory publishes original research, market analysis and specialist guidance relating to UK property development, insurance, risk and finance. The J3 Advisory Housing Delivery Report draws on industry research, market data and J3 Advisory's perspective to examine the trends shaping UK housing delivery and their implications for developers, lenders and investors. - [Insights](https://j3advisory.co.uk/insights/): Specialist commentary, research and guidance from J3 Advisory. - [Housing Delivery Report](https://j3advisory.co.uk/uk-housing-delivery-report-2026/): J3 Advisory research examining the trends shaping UK housing delivery. ## Who J3 Advisory Works With J3 Advisory works with organisations and professionals across the UK property and construction markets, including: - Property Developers - Housebuilders - Property Investors - Institutional Investors - Property Lenders - Banks and Finance Providers - Build to Rent Developers and Investors - PBSA Developers and Investors - Registered Providers and Housing Associations - Contractors - Receivers and Insolvency Professionals - Solicitors - Project Managers - Quantity Surveyors and Cost Consultants - Other Property and Construction Professionals ## About J3 Advisory J3 Advisory brings together specialists across property insurance, risk and finance. Different specialist teams can work across the same development or transaction, allowing related technical, insurance, transactional and funding considerations to be considered within the wider commercial context. J3 Advisory operates across the UK from London, Manchester and Glasgow. - [About J3 Advisory](https://j3advisory.co.uk/about-us/): J3 Advisory's expertise, business and approach. - [Meet the Team](https://j3advisory.co.uk/meet-the-team/): J3 Advisory's advisers and specialist areas of expertise. - [Project Portfolio](https://j3advisory.co.uk/portfolio/): Selected projects and transactions supported by J3 Advisory. - [Contact J3 Advisory](https://j3advisory.co.uk/contact/): Contact J3 Advisory about a property development, transaction, insurance requirement or funding requirement.