RetroFIT IQ — Building Performance Diagnostics

Building Performance Investigation

Lewisham2026-07-18
Building Performance Investigation

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

Building Performance Investigation Report Available

The full investigation report

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Thermal image showing the bright yellow and white heat signature of a small pet against a cooler purple background.Preview 1
Thermal image showing a distinct cold spot in the top corner of a room where the wall meets the ceiling near a window.Preview 2
FLIR0696Preview 3
building performancelewishambuilding surveyproperty inspectionsite assessmentretrofit planningproperty evaluationcondition overview

Evidence from Real Projects

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

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

Thermal Imaging of a Pet During a Heat Loss Survey, Lewisham

Lewisham

FLIR0696

FLIR0696

Lewisham

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 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

Exposed wooden floor joists fitted with mineral wool insulation and dark acoustic strip before the deck is laid.
Poor Acoustic Performance

Acoustic Floor Upgrades: Mineral Wool Insulation Between Joists

Harringey

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

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