Photographic Evidence

What Photos Are Required?

For each individual plot, a complete set of geotagged, time- and date-stamped photographs must be provided, covering the following six categories:

• Foundations and ground floor – Showing insulation quality and thermal continuity.

  1. Ground floor perimeter edge insulation

  2. Insulation at external door threshold
     
     

• External walls – For each main wall type.

  1. Ground floor to wall junction

  2. Structural penetrating elements
     
     

• Roof – For each roof type, showing insulation as installed.

  1. Joist or rafter level

  2. Eaves and gable edges
     
     

• Openings – Including windows and doors, with clear detailing of insulation.

  1. Window positioning

  2. External doorset positioning
     
     

• Airtightness – Additional images of key junctions if not already visible.

  1. Ground floor

  2. Structural penetrating elements

  3. Roof

  4. Openings
     
     

• Building services – Covering heating, hot water, ventilation, and renewable technologies.

  1. Plant identification

  2. Primary pipework

  3. Mechanical ventilation
     
     

These images are required for energy assessors (OCDEAs) to complete SAP assessments and for Building Control Bodies to issue final completion certificates.

Photo requirements

As images are required for each dwelling, the images taken must be clearly referenced back to the dwelling in question. This means that each image is required to be geolocated, with date, time and location readily available. It must also be of sufficient quality to allow the details photographed to be easily distinguished and identified. Each image file is required to be named in line with a convention to allow easy identification and assist in the auditing and verification process. 

We would recommend using a phone app such as My Site Witness or Timestamp Camera to gather the information.