Building Performance Diagnostics · East London · IG1–IG6

Building Performance Diagnostics in Ilford

Ilford is a largely suburban Redbridge district of Edwardian and inter-war housing, much of it cavity-walled. The performance questions here differ from inner East London: failed or incomplete cavity insulation, loft heat loss and condensation in converted and let homes. We measure first, then advise or remediate.

One company, the whole process

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 Ilford.

Investigate
Diagnose
Design
Remediate
Verify
Remediation & retrofit works we can carry out
  • 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
Local building stock · Ilford

The buildings of Ilford, and how they perform.

Many Ilford houses date from the 1920s–30s and have early cavity walls — but cavity insulation may be missing, incomplete, slumped or wet, which thermal imaging can reveal. Larger Edwardian and Victorian houses near Ilford town centre are often subdivided into flats and HMOs, adding ventilation and condensation pressures.

Typical properties in Ilford
  • 1920s–30s cavity-wall semis & terraces
  • Edwardian bay-fronted houses
  • Larger houses converted into flats / HMOs
  • Post-war and modern infill housing
  • Mansion-style blocks near the town centre

Thermal Imaging Surveys in Ilford

In Ilford, thermal imaging is the quickest way to see whether a cavity wall is actually insulated — and whether that insulation has slumped or got wet.

  • 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 Ilford

We diagnose whether Ilford damp is condensation, a bridged cavity or a genuine defect, using moisture and surface-temperature readings.

  • 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 Ilford

Cavity-wall condition, loft insulation and glazing lead heat loss across Ilford's suburban stock.

  • 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 Ilford

Blower door testing quantifies draughts in older semis and helps prioritise sealing works.

  • 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 advise on cavity remediation, top up loft insulation, improve ventilation and verify the improvement by re-testing.

  • 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
What we see locally

Common building performance problems in Ilford.

Cold walls where cavity insulation is missing, incomplete or slumped
Damp patches where wet or bridged cavity fill transmits moisture inward
Condensation and mould in subdivided flats and HMOs
Heat loss through poorly insulated lofts
Draughts around windows, doors and loft hatches
Cold bay windows with thermal bridging at the projecting structure
Inadequate ventilation in let bedrooms and bathrooms
Why choose RetrofitIQ

A technical, building-physics-led specialist in Ilford.

Certified Passive House Designer
Building-physics-led diagnostics
FLIR thermal imaging
Calibrated moisture readings
Blower door / airtightness testing
Clear, costed reports and recommendations
End-to-end: investigation through to verified works
Fully insured, London-based specialists
Get started in Ilford

Book a Building Performance Survey in Ilford.

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.