RetroFIT IQ — Building Performance Diagnostics
Public Gallery

Real building-performance photography from live projects.

FLIR thermal imaging, blower door airtightness testing, damp and condensation diagnostics, insulation, cladding and completed retrofit work — documented on real projects across London and the South East. Images are added as projects are recorded and consent is obtained.

3 images

Cold Spots
Thermal image showing the bright yellow and white heat signature of a small pet against a cooler purple background.

Thermal image capturing a pet's heat signature during a residential building performance survey.

Thermal image showing a clear grid pattern of masonry blocks and mortar joints on an interior wall, with balloons in front.

Thermal image revealing the masonry blockwork pattern beneath the wall finish due to differing thermal conductivities.

A sample building performance report page displaying six FLIR thermal images highlighting various temperature anomalies.

A page from an anonymised building performance report detailing thermal imaging findings.

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Evidence from Real Projects

Real project and investigation images from our own fieldwork, matched to this page — not stock photography.

Thermal image showing a clear grid pattern of masonry blocks and mortar joints on an interior wall, with balloons in front.
Thermal Bridge

Thermal Bridging Visible Through Masonry Blockwork Wall

Sutton

A sample building performance report page displaying six FLIR thermal images highlighting various temperature anomalies.
Thermal Bridge, air leakage, missing insulation

Sample Building Performance Investigation Report — Thermal Imaging

Lewisham

Thermal image showing a dark purple cold spot in the corner of a room, contrasting with the warmer orange walls.
Thermal Bridge

Thermal Bridge at Internal Corner Wall Junction

Newham

Technician monitoring a laptop during a blower door airtightness test with a red fan installed in a doorway.

Airtightness Testing in a Stratford Victorian Terrace

Newham

A red blower door test apparatus with a fan installed in the front doorway of a brick house to measure airtightness.

Blower Door Airtightness Test Setup

FLIR0696

FLIR0696

Lewisham

View All Related Evidence

Related Investigations & Reports

Real published investigations and case studies relevant to this page.

Thermal image showing a distinct cold spot in the top corner of a room where the wall meets the ceiling near a window.

Building Performance Investigation

Lewisham

A building performance investigation was conducted at a property in Lewisham. The assessment recorded current site conditions to inform potential future works.

Detached houseAIR LEAKAGEAirtightness / Blower Door TestThermal Imaging SurveyBuilding Performance InvestigationThermal Bridging SurveyHeat Loss Survey
Building Performance Investigation Report AvailableView investigation
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