Infrared thermal imaging to detect heat loss and hidden defects








Our thermal imaging specialists carry out detailed infrared surveys across Littlehampton, from the tidal streets near Rope Walk to homes around East Street and South Terrace. A thermal camera reads surface temperature differences to 0.1C, so we can spot cold bridges, insulation gaps, air leakage and moisture patterns that a normal visual inspection misses. The survey is non-invasive and non-destructive, which means no lifting floorboards or opening walls. We explain the findings in plain English, with thermal images marked up so the heat loss is easy to read.
Littlehampton's housing mix makes that useful. homedata.co.uk sold-price records show an average property price of £328,217, with detached homes at £480,211 and flats at £195,500, and 373 properties were sold in the last 12 months. That spread usually points to a mix of older masonry homes, terraces and newer schemes such as Hampton Park in Wick, where home.co.uk listings start from £260,000. Different builds lose heat in different ways, so infrared scanning helps separate the fabric problem from the bill.

Cold spots in Littlehampton often tell a story. On brick, flint and Purbeck stone walls, the camera can reveal missing cavity wall insulation, thin loft insulation at the eaves, and cold bridging at lintels, floor edges and roof junctions. Around windows and doors, we also find draught paths where seals have aged or frames have warped. In wet weather, those same scans can show colder areas linked to moisture ingress, which is why a patch near a chimney breast or ground-floor wall deserves a closer look.
Thermal imaging also helps on hidden systems. Underfloor heating faults show up as uneven floor temperatures, and electrical hotspots can appear where a connection is under strain. Around Littlehampton Rope Walk, Ferry Road and Bridge Road, we pay close attention to damp-related cooling because tidal exposure can change how external walls behave. The point is simple. We do not guess. We read the heat pattern, compare it with the building form, and explain what needs action.

Littlehampton has a housing stock that rewards a closer look. homedata.co.uk sold-price records show Littlehampton values 4% down over the last year, with 373 properties sold in the last 12 months, and that turnover usually sits alongside a varied building mix. Around East Street, Fitzalan Road, Selborne Road, Irvine Road, Beach Road and South Terrace, listed and conservation-area properties point to older masonry homes that were built before modern insulation standards. Those walls often have solid construction or early cavity systems, so heat loss can be heavy if insulation is missing, interrupted or bridged.
Newer homes need attention too. Rosemead Garden off Fitzalan Road, BN17 6FE, is due for Autumn 2025 completion, and Hampton Park on Anderson Way in Wick, BN17 7TD and BN17 7GD, starts from £260,000. Airtight new-build envelopes can trap small defects inside the fabric, so a missed seal, a poorly fitted loft hatch or a gap around services shows up very clearly on infrared images. That is useful during a purchase, but it also helps owners who want to cut wasted heat before the first winter bill arrives.
Coastal weather adds another layer. The River Arun tidal edge, the flood alert area around Rope Walk, Ferry Road and Bridge Road, and the flood warning side on the East Bank near Caffyn's Field and Riverside Industrial Estate all mean moisture can become part of the picture. Thermal imaging does not replace a structural inspection, yet it gives us a fast way to separate a draught, a damp patch and a cold bridge. In a town with about 83 listed buildings and several conservation areas, that clarity matters.
Heat loss has a pattern, and infrared images make it visible. In a typical inefficient home, around 25% of heat can be lost through the roof, about 35% through walls and roughly 15% through windows. We use those proportions as a starting point, then compare them with what the camera sees on the day. If the loft reads warmer than it should, or a wall band stays cold across the same bay, the image often points to missing insulation or a thermal bridge.
That evidence links directly to energy decisions. A thermal survey can show where a simple loft top-up, draught proofing or insulation repair would make the biggest difference, instead of sending money at guesses. Because the report includes annotated images, it is easier to brief an electrician, builder or insulation installer on the exact location of the fault. The savings depend on the measure, but the survey tells you where the real loss sits, which is the part many owners do not see from a standard inspection.
Clear thermal evidence can also support later energy work. An EPC assessment may read better after obvious fabric leaks have been tackled, and a follow-up scan can show whether the improvement is real. That before-and-after record is especially useful on Littlehampton terraces where a few small leaks can make rooms feel colder than the numbers suggest.

Choose your Littlehampton survey slot through our quote page, then we confirm the property details and access needs.
We aim for October to March, when the inside-to-outside temperature difference is at least 10C and thermal contrast is strongest.
Keep heating on for at least 2 hours before arrival so the building fabric reaches a stable temperature pattern.
We capture external and internal infrared images, checking walls, roof zones, windows, floors, services and problem junctions.
Our surveyors annotate the thermograms, filter out obvious false readings such as solar gain and reflections, and match each pattern to the building detail.
You get a clear report with images, findings and practical recommendations that point to the next repair or upgrade.
Thermal images read differently from a normal photo. Cooler surfaces usually appear blue or purple, while warmer areas move towards red, orange or white on the colour scale. A bright patch does not always mean a defect, because sun on a wall, a reflective surface or a recently used radiator can alter the reading. That is why we never hand over a bare image without context.
Our thermal imaging specialists annotate each frame so the pattern is clear. We explain temperature differences in plain terms, then link them to the building detail, such as a missing loft quilt, a cold bridge at a lintel or a damp edge by a ground-floor wall. Infrared cameras can detect surface temperature variations to 0.1C, which is precise enough to show a weak point in insulation or an air leak around a frame. The final report matters as much as the scan itself, because the value sits in the explanation, not in the colour alone.
False readings need a careful eye. Direct sunlight on Beach Road brickwork, a wet exterior after rain, or a warm appliance behind a wall can all distort the picture. We account for those conditions, compare internal and external readings, and mark only the findings that stand up to the property form and the weather on the day. That approach is especially useful in Littlehampton, where coastal conditions can change the way a wall cools.
Older streets in Littlehampton often show the same few faults. In brick terraces and converted flats near East Street, South Terrace and St Catherine's Road, we commonly see patchy loft insulation, cold bridges at party walls, and air leakage around old window frames. Pebble-dash can hide uneven repairs, so the thermal camera is useful for showing where the heat is escaping behind the finish. On homes with clay-tile or slate roofs, the biggest losses often sit at the eaves, around chimney stacks and at poorly insulated loft hatches.
Coastal exposure changes the picture in a town like this. Along the lower tidal River Arun, including Rope Walk, Ferry Road and Bridge Road, moisture can leave colder marks that look similar to a draught until we read the full pattern. Clay soil movement in parts of Arun district also raises a shrink-swell risk, so small openings can form around joints and service penetrations over time. Newer homes on schemes such as Hampton Park still need checks for missed insulation returns, weak seals and gaps around ducting or pipework, because a neat finish does not always mean a tight fabric.
Rosemead Garden off Fitzalan Road will add more modern homes to the town's stock. With 2 and 3-bedroom houses due for Autumn 2025 completion, it is the kind of development where thermal imaging can spot installation defects before they become expensive to chase. We also keep an eye on floors, plant cupboards and roof voids where a small discontinuity can produce a wide cold stripe on the image.

It can detect heat loss through walls, roofs, floors and windows, plus missing insulation, cold bridging, air leakage, hidden damp and moisture ingress. We also use it to spot underfloor heating faults and some electrical hotspots where a component is running hotter than it should. The camera reads surface temperature differences, so the result needs interpretation, but it gives a clear map of where the building fabric is underperforming.
Our thermal imaging surveys start from £300 in Littlehampton. The final cost depends on property size, access and the level of reporting needed, because a larger house takes longer to scan and annotate. The price covers the infrared survey and a clear report with recommendations.
October to March gives the strongest contrast between inside and outside, which makes defects easier to see. We look for at least a 10C temperature difference, and the heating should have been on for 2 hours before we arrive. Overcast conditions help too, because direct sun can distort a wall temperature reading.
Most Littlehampton surveys take 1-2 hours, depending on the property size and how much of the building we can access. A compact flat is usually quicker than a larger detached house near the River Arun or a home with loft and outbuildings. The analysis and report preparation happen after the site visit.
Yes, it can help identify damp patterns, but it does not diagnose the cause on its own. A colder patch may point to moisture ingress, poor insulation or a thermal bridge, and the pattern tells us which explanation is most likely. We always read the image alongside the property detail, the weather and the building materials.
Keep the heating on for at least 2 hours before the appointment and avoid opening windows or doors more than necessary. Access to the loft hatch, plant cupboards and any areas with known issues helps us complete a fuller scan. If the property has a log burner or strong sunlight on one side, let us know before the visit so we can interpret the readings properly.
Yes, it is non-invasive and non-destructive. We do not cut into walls or lift floors, so the survey is ideal for a first pass before you commit to repairs. The method works well for Littlehampton homes because it shows fabric issues without disturbing old plaster, tile work or finished surfaces.
From £80
Energy rating and practical upgrade advice after a thermal survey
Price on request
A mid-level condition report for standard homes
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A deeper survey for older or altered property fabric
Price on request
Legal support for a purchase or sale in Littlehampton
Thermographic surveys in Littlehampton start from £300, and that price makes most sense when the property needs a focused check on heat loss rather than a general condition report. We include external and internal infrared scans, then we turn the findings into annotated images that show where the building is leaking heat or holding moisture. A flat near Beach Road and a detached house on the Wick side will not take the same amount of time, so access and size affect the final quote.
The real value sits in the detail. If the scan shows loft losses, missing cavity insulation or a cold bridge around a bay window, you can target the repair work instead of paying for broad, untargeted upgrades. That matters in Littlehampton because the housing stock ranges from older masonry homes near East Street to newer schemes like Hampton Park on Anderson Way, and each one has a different thermal fingerprint. Our surveyors use the report to explain what to fix first, what to monitor and where a follow-up scan would be sensible after the work is done.
For the clearest results, book between October and March and keep the heating on for at least 2 hours before the appointment. We also look for at least a 10C difference between inside and outside, because low contrast makes defects harder to separate from background temperature. If the day has strong sun or the wall has just been rain-washed, we can still carry out the survey, but the interpretation takes more care. That is why we choose the conditions carefully, then show you exactly what the camera captured.
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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.