Building Performance Diagnostics in Leyton
Leyton is dominated by long Victorian and Edwardian terraced streets, many now extended at the rear and into the loft. These solid-wall homes lose heat readily and are prone to condensation where extensions and conversions create new cold junctions. We diagnose the root cause and, where needed, carry out the remediation.
Investigation only, remedial works, or a complete retrofit — your choice.
RetrofitIQ is not only a diagnostics company. We take projects from first investigation through to verified improvement — and you decide how far we go. Engage us for an investigation on its own, for an investigation plus targeted remedial works, or for a complete building-performance and retrofit project in Leyton.
- Airtightness improvements & draught-proofing
- Internal wall insulation (IWI)
- External wall insulation (EWI)
- Loft & roof insulation
- Suspended floor & underfloor insulation
- Thermal-bridge detailing & correction
- Extract ventilation & MVHR installation
- Soundproofing & acoustic upgrades
- General building-fabric improvements
The buildings of Leyton, and how they perform.
The typical Leyton house has 9-inch solid brick walls, a suspended timber ground floor and a two-storey back-addition. Rear kitchen-diner extensions and loft conversions are common, and it is at these new-to-old junctions — and on flat or shallow-pitch extension roofs — that thermal bridging, draughts and condensation tend to appear.
- Victorian & Edwardian solid-wall terraces
- Houses with rear kitchen-diner extensions
- Loft-converted terraces
- Terraces subdivided into upper/lower flats
- Smaller landlord-let HMOs
Thermal Imaging Surveys in Leyton
In Leyton we focus thermal imaging on extension and loft junctions, where most cold-bridging and condensation problems originate.
- Mapping heat loss through walls, roofs and floors
- Locating missing, slumped or incomplete insulation
- Identifying thermal bridging and cold spots
- Highlighting surfaces at risk of condensation
- Revealing hidden defects behind finishes
Damp, Condensation & Mould Investigations in Leyton
Leyton's extension ceilings and cold bedroom walls are common condensation sites; we measure surface temperature and humidity to confirm the mechanism.
- Separating condensation from penetrating and rising damp
- Finding mould behind wardrobes, furniture and in cold corners
- Measuring relative humidity, surface temperature and dew point
- Assessing ventilation provision and moisture sources
- Combining thermal imaging with a building-physics review
Heat Loss & Energy Efficiency Surveys in Leyton
Solid walls, extension roofs and uninsulated floors dominate heat loss in Leyton's terraces.
- Pinpointing where heat escapes — walls, floors, roofs, windows and doors
- Setting fabric-first retrofit priorities in the right order
- Quantifying the impact of each potential improvement
- Assessing heat pump readiness where relevant
- Producing a clear, costed improvement plan
Blower Door Testing & Airtightness in Leyton
Blower door testing in Leyton typically reveals leakage through the suspended floor perimeter and the extension-to-house junction.
- Measuring air leakage and uncontrolled heat loss (ACH₅₀)
- Locating draughts with smoke tracing
- Identifying leakage paths through floors, lofts and services
- Guiding targeted airtightness improvements
- Verifying performance before and after retrofit works
Retrofit & Building Physics Advice
We can detail and insulate the extension junction, upgrade the loft and floor, and verify comfort and airtightness afterwards.
- A fabric-first, Passive House-informed approach
- Retrofit advice aligned with PAS 2035 principles
- Internal and external wall insulation risk assessment
- Thermal-bridge reduction and condensation-risk modelling
- A coherent ventilation strategy to protect health and fabric
Common building performance problems in Leyton.
A technical, building-physics-led specialist in Leyton.
Book a Building Performance Survey in Leyton.
Request a thermal imaging, damp, condensation or heat loss investigation — or speak to us about a full retrofit. We diagnose by measurement and, where you want it, carry out and verify the works.