Infrared thermal imaging to detect heat loss and hidden defects








Infrared cameras show temperature patterns that a normal inspection cannot see. Our thermal imaging specialists carry out detailed infrared surveys across Felixstowe, from the Victorian and Edwardian streets inside the Conservation Area to newer homes near Walton High Street and IP11 9QN. We detect heat loss, missing insulation, air leakage and cold bridging, then explain what each patch means in plain English. The survey is non-invasive, so walls, floors and ceilings stay untouched.
Felixstowe homes face a mix of coastal wind, older construction and modern retrofit work. homedata.co.uk records show the overall average house price at £320,131, with detached homes at £461,753, semi-detached homes at £298,224, terraced homes at £260,674 and flats at £211,027, while house prices in IP11 9 grew 6.0% in the last year, 2.7% after inflation. home.co.uk also shows asking prices have shifted by -1.5% on average over the past 6 months, so spotting heat loss before a sale or purchase can stop avoidable surprises.

A thermal survey picks up surface temperature changes that point to missing loft insulation, cold bridges, hidden damp, draughts around doors and windows, and heat loss through roofs, walls and floors. Our surveyors can also flag likely cavity wall insulation problems, underfloor heating faults and electrical hotspots where a circuit is running warmer than it should. Infrared cameras detect surface temperature variations to 0.1C accuracy, which gives us a clear picture long before the eye would spot anything unusual.
Coastal exposure changes the reading around Felixstowe. Homes near the Pier, Landguard Point and the Port can show stronger wind-driven cooling on the outer face, while red brick, clay roof tiles, painted weatherboard and timber sash windows each cool in slightly different ways. That is why we separate a genuine defect from a surface effect, then mark the image so you can see exactly where the problem starts.

Felixstowe's Conservation Area, first designated in June 1975 and extended several times, still carries a large number of late Victorian and Edwardian homes. Many streets use red brick, clay roof tiles and traditional sliding timber sash windows, while painted weatherboard appears nearer the seafront. Those older fabric types often lose heat through roofs, chimneys, junctions and later alterations, which makes infrared scanning useful before anyone starts patching insulation in the wrong place.
Properties built before 1900 can behave very differently from post-war semis or newer schemes on Walton High Street. In older Felixstowe homes, patch repairs and later retrofit work can hide gaps around loft hatches, eaves and old timber frames, so a thermal survey picks up the weak points without opening a wall. For homes around the Conservation Area, that matters because the visible finish can look tidy while the thermal pattern says something else.
Salt-laden winds alter the picture again. The Port of Felixstowe is the biggest container port in the UK, and homes close to the seafront, the Pier and Landguard Point feel that exposure more strongly than inland properties do. New-build schemes such as Bloor Homes at Felixstowe on High Street, Walton, IP11 9QN, or Deben Fields, designed with Passivhaus principles, still benefit from checks on insulation continuity and airtightness. Our surveyors use the images to show where comfort is escaping and where a simple fix can make the biggest difference.
Thermal imaging turns heat loss into evidence. In many homes, around 25% of heat escapes through the roof, 35% through the walls and 15% through windows, so the colour difference on screen tells us where the biggest losses sit. We then link each finding to a practical upgrade, such as topping up loft insulation, improving cavity fill or sealing a repeated draught path around openings.
That kind of report helps owners judge whether a loft upgrade, window repair or draught-proofing job will pay back quickly, especially in larger detached homes and older terraces where heating demand is higher. On the biggest homes sold locally, including detached properties averaging £461,753 according to homedata.co.uk, the energy spend hidden behind a weak thermal envelope can be substantial. A clear thermal map is the quickest way to show which works should come first.

Choose your appointment and tell us the property type, age and any concerns you already have, such as draughty rooms, cold walls or suspected damp near a chimney breast.
We arrange a visit when outdoor temperatures are low enough to give a clear result. October to March is best, and a minimum 10C difference between inside and outside gives the sharpest thermal contrast.
The heating should be on for at least 2 hours before the inspection, so walls, ceilings and floors reach a steady pattern. That makes hidden cold spots and heat leaks easier to isolate.
Our surveyors carry out infrared scans outside and inside the property, checking roofs, walls, windows, floors, loft hatches and junctions around extensions or bay windows.
Each image is reviewed, annotated and compared with the building layout, weather conditions and any likely false readings such as solar gain, reflective glazing or recently warmed pipework.
You receive a clear report with thermal images, explanations and practical recommendations. We show what needs attention now, what can wait, and where a follow-up survey may be worth considering.
Thermal images look dramatic until you know the scale. Cooler areas usually appear blue or purple, while warmer surfaces move towards red and white, so a dark patch on a wall can mean a cold bridge, not a defect in the image itself. Our surveyors label each frame and explain the temperature differences in context, because a difference on a picture means very little without the building background behind it.
Reflections from glazing, sunlight on a south-facing elevation or a recently warmed radiator can distort a reading, which is why we time the visit carefully and compare each wall with the weather on the day. Around the seafront, reflective surfaces and wind-cooled façades can shift quickly, so our notes separate real heat loss from a surface effect. That detail matters in Felixstowe, especially on homes with weatherboard cladding or modern replacement glazing.
Every report includes annotated thermal images, plain-English notes and a recommendation for each issue. We point out whether the next step is loft insulation, draught sealing, a closer look at cavity fill or a follow-up RICS survey if the pattern suggests a hidden structural problem. The goal is simple: show where energy is escaping and what fix should come first.
Across Felixstowe, the most common findings are rarely dramatic, but they are expensive over a winter. Edwardian homes in and around the Conservation Area often show heat loss at original sash windows, chimneys and uninsulated roof voids, while terraces near the town centre can reveal patchy loft insulation and repeated draughts at first-floor ceilings. On the thermal screen, those weak points light up fast.
Post-war semi-detached homes, which form a big part of the local market, sometimes show cavity wall insulation that has settled or left gaps around extensions and bay windows. Newer schemes such as Bloor Homes at Felixstowe, Trelawny Place or Deben Fields can still show cold stripes at junctions, service penetrations or around the loft hatch if workmanship has left a break in the envelope. We also watch for damp signatures near exposed coastal elevations, because a cold patch and moisture can look similar until the image is read properly.

Our thermal imaging specialists can detect heat loss through roofs, walls, floors and windows, plus missing loft insulation, air leakage, cold bridging and some damp-related temperature patterns. It can also highlight possible underfloor heating faults and electrical hotspots. The image shows where temperatures change, then our report explains why that change matters in your Felixstowe property.
A thermal imaging survey in Felixstowe starts from £300. The final cost depends on the size of the property, how many elevations need scanning and how much internal coverage is needed. Larger homes near the seafront or older homes in the Conservation Area can take longer, so the quote can rise if the layout is more complex.
October to March is the best window because the temperature difference between inside and outside is strongest. We aim for at least a 10C difference, which gives the infrared camera a clearer read on heat loss. Bright sun can also distort parts of an image, so colder, stable weather gives better results around Felixstowe.
Most surveys take 1-2 hours, depending on property size and access. A flat in the town centre will usually be quicker than a detached home with loft access, extensions or multiple roof levels. The analysis and reporting take longer after the visit, because every image is checked and annotated carefully.
Thermal imaging can spot temperature patterns that often point to damp, but it does not measure moisture directly. Cold, moisture-stained or slow-drying areas often appear differently from surrounding fabric, especially on exposed walls near the coast. If we see a suspicious patch, the report will say whether a moisture meter check or another inspection makes sense.
Yes, a small amount of preparation helps. Please keep the heating on for at least 2 hours before the visit and make sure we can access loft hatches, under-stairs areas and key rooms where heat loss is suspected. Curtains, large items in front of walls and blocked loft access can hide the very defects we are trying to find.
It is non-invasive and non-destructive. We do not lift floors, open walls or disturb finishes, so it is a good first step before any repair work is planned. That makes it especially useful in Felixstowe's older homes, where period features and original finishes may need to stay intact.
Felixstowe has a mix of Victorian and Edwardian homes, post-war housing, coastal exposure and newer developments such as Bloor Homes at Felixstowe and Deben Fields. That combination creates different heat-loss patterns from street to street. A thermal survey helps separate age-related fabric issues from modern insulation gaps and wind-driven cooling.
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Support with finance planning after your survey results
A thermal imaging survey in Felixstowe starts from £300, which keeps it below the cost of a full structural survey while still giving a detailed view of energy loss. By comparison, home survey costs in Felixstowe typically range from £420 to £1,550, depending on size, condition and complexity, so a thermographic visit is a focused diagnostic option rather than a broad condition review. For an average home sold in the town at £318,010, the spend is small beside the cost of leaving insulation problems hidden for another winter.
The fee covers external and internal scans, analysis of each image and a written report with annotated findings. We explain where the cold spots are, what they usually mean and which repairs are worth tackling first. Because the work is non-invasive and non-destructive, you get the detail without lifting floors or opening finished walls, which is useful in Felixstowe's period homes and newer builds alike.
Best results come from the colder months, with the heating on for at least 2 hours and a minimum 10C difference between inside and outside. That setup gives our infrared camera the contrast it needs to show real heat loss, not just a passing surface effect from sun or wind. On a sharp Felixstowe morning, especially near the seafront, the images can reveal exactly where comfort is escaping and where the next improvement should begin.
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Infrared thermal imaging to detect heat loss and hidden defects
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Homemove is a trading name of HM Haus Group Ltd (Company No. 13873779, registered in England & Wales). Homemove Mortgages Ltd (Company No. 15947693) is an Appointed Representative of TMG Direct Limited, trading as TMG Mortgage Network, which is authorised and regulated by the Financial Conduct Authority (FRN 786245). Homemove Mortgages Ltd is entered on the FCA Register as an Appointed Representative (FRN 1022429). You can check registrations at NewRegister or by calling 0800 111 6768.