- Project plans
- Project activities
- Legislation and standards
- Industry context
Last edited 04 Nov 2016
Technical due diligence for development sites
By 'technical due diligence' we are referring to the process of investigating a site to assess its suitability for a particular project and the risks involved before proceeding with that project. A due diligence checklist is presented below, providing a list of some of the aspects of a site and its context that it may be necessary to investigate.
- Site address (including post code).
- Site location map.
- Contact details for neighbours.
- Access assessment and arrangements.
- Site logistics assessment.
- Site security.
 Legal searches
- Deeds and title Information.
- Ownership (including boundaries and possible disputes).
- Central and local government planned works within the vicinity of the site.
- Possible compulsory purchase orders.
- Part wall appraisals and surveys.
- Rights of light appraisals and surveys.
- Way leave agreements (telecommunications, electrical networks etc ).
- Existing licences.
- Easements (rights of way, right to light, the right for underground services to pass beneath the land of a neighbouring property, right of support, the right to draw water etc).
- Restricted covenants.
- Tree Preservation Orders or other tree rights.
- Listed buildings.
- Conservation areas, or other designated areas (such as national parks, areas of outstanding natural beauty and the Norfolk and Suffolk Broads).
- Schedules monuments.
- Building regulations approvals.
- Statutory waterways and any associated restrictions.
- Railways and any associated restrictions.
- On site adverts.
- Civil Aviation Authority restrictions.
- Car parking licences and agreements.
- Existing occupants and illegal occupation.
- Topographical survey.
- Existing building survey (including valuation, measured surveys, structural surveys, structural investigations, condition surveys and demolition surveys).
- Historic use report.
- Site investigations.
- Contamination survey.
- Boundary surveys.
- Structural survey (including retained structures, underground structures and obstructions).
- Unexploded bomb survey.
- Railway and tunnel search.
- Air quality.
- Archaeological survey.
- Asbestos and other deleterious materials surveys and registers.
- Local area transport infrastructure (adequacy and future use).
- Ecology survey.
- Local climate.
- Photographic survey.
- Fire hydrants.
- Wireless networks and satellite reception.
- Electrical infrastructure and capacity.
- Gas network infrastructure and capacity.
- Foul sewers and drains infrastructure and capacity.
- Existing water supply infrastructure and capacity.
- Planning applications and approvals for the site and within the vicinity of the site, including conditions and obligations (agreed or in draft).
- Social and economic desktop study.
- Access statement.
- Statement of community involvement.
- Cumulative impact report.
- Visual impact assessment.
- Sustainability statement.
- Heritage report.
- Traffic assessment.
- Flood risk.
- Air quality.
- Acoustic environment and noise.
 Related articles on Designing Buildings Wiki
- Applying for new postal addresses.
- Caveat emptor.
- Condition survey.
- Contaminated land.
- Deleterious materials
- Development appraisal.
- Due diligence.
- Ecological survey.
- Environmental Impact Assessment.
- Feasibility studies.
- Ground conditions.
- Japanese knotweed.
- Lawful development certificate.
- Planning permission
- Pre construction information.
- Rights of way.
- Site appraisals.
- Site information.
- Site selection and acquisition.
- Site surveys.
- Soil survey.
- Tree preservation orders.
- Tree rights.
- Vendor survey.
 External references
- RICS Best Practice & Guidance Note for Technical Due Diligence of Commercial, Industrial & Residential Property in Continental Europe.
Featured articles and news
A PQP describes the activities, standards, tools and processes necessary to achieve quality in a project's delivery.
How Lidl has been actively working to reinforce their brand through sustainability.
Association of British Insurers describe full-scale cladding tests as 'utterly inadequate'.
This article examines the changing policy commitments and evolving definitions of the zero carbon home.
Researchers believe they may have created a 'game-changing' new form of concrete using graphene.
Grouting refers to the injection of materials into a soil or rock formation to change its physical characteristics.
Part of Designing Buildings Wiki, BREEAM Wiki will advance knowledge sharing for the BRE family of sustainability tools.
From the decorative to the utilitarian, and from the photographed to the forgotten.
New BRE book considers the progression from project-based knowledge creation to whole-life urban knowledge management.
This CIOB article explores the concept of value in building design and construction.
Rogers Stirk Harbour + Partners' release new images of soon-to-open 3WTC tower in New York.
A document can be called a bond or a guarantee. Does the name matter and what is the difference between them?