- Project plans
- Project activities
- Legislation and standards
- Industry context
Last edited 30 Jun 2020
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).
- Scheduled 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.
- Building People.
- Caveat emptor.
- Condition survey.
- Contaminated land.
- Deleterious materials
- Development appraisal.
- Due diligence.
- Ecological survey.
- Environmental Impact Assessment.
- Feasibility studies.
- Ground conditions.
- Gross development value.
- 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
Featured articles and news
Framework examines social value of projects.
RfX or Request for [fill in the blank].
Organisation establishes Equality, Diversity, Inclusion taskforce.
Government announces plans for new building projects.
Outsourcing method to procure and manage supplies.
Joint support of Local Authority Historic Environment and Conservation Services.
The Chesapeake Bay Bridge-Tunnel is an outstanding achievement.
Buildings of the interwar years. Book review.
Ireland’s climate change sectoral adaptation plan.
Rethinking the acoustics of the office.
Various deterrent measures can help managers deal with avian problems.
Groups send message to government.
Mark Beard FCIOB shares thoughts on changes in the construction industry.
The three layers in modern laminates have specific functions.
The CIOB and UK BIM Alliance announce formal affiliation.