
Technical due diligence (TDD) requires dedicated, specialist teams of chartered building surveyors and engineers to properly appraise a building. The condition of a building is important, but today’s more rigorous and commercial environment calls for TDD to become a key risk-management tool to help identify the limitations and opportunities of an investment, in the form of pre-acquisition surveys for property transactions.
TDD has changed in line with emerging trends of shorter leases, multi-occupied buildings, sustainability and more stringent legislation, all demanding a wider viewpoint. Different opportunities, such as the feasibility of adding an extra floor or conversion of an underused part of a building, may need to be considered. Landlord and tenant issues will need to be resolved from a neutral standpoint.
We have a unique position with our clients, being chosen for our diligent approach to TDD, both in preparing comprehensive reports on behalf of vendors and identifying risks for purchasers; and importantly being an effective link to our clients’ property management teams. We provide holistic advice integrating input from in-house specialists, notably M&E (as below) and environmental, social, and governance (ESG), reporting.
Extensive building services installations systems such as heating and cooling, ventilation, building management systems, automation and drainage, often present greater issues than the building fabric itself – although the problems are often not visible. You need an integrated and vigorous approach to all these issues to identify potential liabilities and offer pragmatic advice on correcting deficiencies. Armed with cost liabilities and risks, we will support the negotiation process and your subsequent transaction decision. TDD is our speciality and we have acted on some of the most prominent and complex buildings in the UK, as demonstrated in our case studies.

Jay Ridings is a Senior Director and a chartered building surveyor (MRICS) and leads the technical due diligence service line, as well as contributing to the TFT leadership groups for fund monitoring and fire safety.
Jay has a keen interest in developing and improving TFT’s reporting, adopting the latest technology to communicate survey findings, streamlining the TDD process to assist transactions and providing holistic, commercial advice, integrating all of TFT’s specialisms.


Chris’ areas of expertise are technical due diligence (TDD), vendor and pre-acquisition surveys of commercial property, and development and fund monitoring. He spent 11 years in London prior to moving to the Birmingham office in 2015. He was previously an author for the RICS Building Surveying Journal and is currently an active iSurv contributor specialising in TDD vendor/disposal surveys. He has presented various lectures on common defects with commercial buildings and written articles on topics such as vendor TDD, readiness for sale, concrete floor types and their pitfalls, and the use of lime mortar in historic commercial buildings.
Chris led the technical team on the sale of 122 Leadenhall Street (the ‘Cheesegrater’ building) and 5 Broadgate, both notable large buildings in the City of London. Chris maintains working relationships with L&G, Aviva, British Land, Oxford Properties and Royal London Asset Management.
