Infrared thermal imaging to detect heat loss, damp and hidden defects








Infrared cameras show heat patterns across Hungerford's High Street, Charnham Street and the homes around RG17, revealing defects that a visual inspection misses. Our thermal imaging specialists carry out detailed surveys across Hungerford, West Berkshire, using non-invasive equipment that maps surface temperature changes to 0.1C accuracy. Cold spots, air leakage and moisture paths become visible in a way that simple viewing cannot match. That matters in a town where many homes have been altered, extended or modernised over a long period.
Hungerford's housing stock rewards a closer look. Homedata.co.uk records show an overall average house price of £573,000, with detached houses at £484,500 and flats at £340,000, while property prices have fallen by -1.59% over the last 12 months. The town has 5,869 residents, 2,695 households and 138 listed buildings, with 29% of households aged over 65 in 2021 and a projected rise to 48% by 2036. Older timber-frame homes, brick-and-tile alterations and a few thatched roofs can hide insulation gaps that only infrared surveying will pick up.

Heat loss rarely travels in a straight line. Our thermal imaging specialists look for missing loft insulation, cold bridging at wall junctions, air leakage around doors and windows, damp patches that cool differently from dry materials, and hidden moisture ingress behind finishes. In the right conditions, we can also highlight underfloor heating faults and electrical hotspots before they become larger repair jobs. The result is a clear image of where energy is being wasted inside a Hungerford property.
Old alterations matter in Hungerford. Homes on the High Street were often timber-frame before being modernised in the 18th and early 19th centuries, then re-faced in brick and tile, with some using mathematical tiles or lime-based mortars. That kind of layered construction can produce unusual heat patterns, especially where later insulation meets breathable fabric. Our surveyors read those patterns in context, so a cold patch on a listed cottage near Bridge Street is interpreted differently from a temperature anomaly in a newer home on the edge of town.

Hungerford's stock is shaped by age and form. Semi-detached and terraced homes dominate, yet 60% of properties are at least 3 bedrooms, which means a lot of internal area to heat and a lot of surface where warmth can escape. Older homes in the High Street and surrounding streets include timber-frame buildings that were later modernised into brick and tile, while some properties still carry thatch or Bath stone details linked to building work after the Kennet & Avon Canal opened in 1810. Thermal imaging helps reveal how those changes affect heat retention today.
Demographics also feed into the need for better thermal reporting. The 2021 Census shows 97 more residents than in 2011, a 1.7% increase, while households rose by 95, or 3.7%, to 2,695. The Hungerford Neighbourhood Plan also points to an ageing population, with 29% of households aged over 65 in 2021 and a projected 48% by 2036, so comfort and running costs matter as much as appearance. In a town where homedata.co.uk records 67 residential sales in the last year, down 34.33% year on year, buyers and owners alike want evidence about the fabric before they spend on upgrades.
Local ground and water conditions shape the picture too. To the north and south of Hungerford are wide areas of cretaceous chalk, while the valley bottom includes alluvial ground, gravels and patches of London clay, and the flood risk score sits at 82. The River Kennet, River Dun and River Shalbourne are named flood warning areas, and historic flooding in Charnham Street and Bridge Street was frequent until river management improved after the 1950s. Thermal imaging helps separate genuine moisture ingress from simple temperature loss, which is useful in a town where Freeman's Marsh and the surrounding water meadows still play a role in flood resilience.
In many homes we find up to 25% of heat escaping through the roof, 35% through walls and 15% through windows. Those figures are not a Hungerford-only statistic, but they explain why a survey can quickly point to the areas that waste the most energy. A thermal image gives you a visual map of loss, so loft top-ups, draught proofing, window seal repairs and cavity checks can be prioritised in the right order. That can improve comfort without guessing which upgrade to do first.
The numbers can be linked back to local market reality. Homedata.co.uk records show the busiest sales band in the last year was £372,000-£458,000, with 18 transactions, followed by 15 sales in £286,000-£372,000. In a market where the overall average sits at £573,000, buyers often want evidence that insulation has been done properly and that any retrofit work has been installed without gaps. A thermal survey shows where the fabric is underperforming, which helps homeowners choose works that are more likely to lift an EPC assessment later on.

Start with a simple quote request through our thermographic survey form. We confirm the property type, size and access points, then schedule a visit that suits the building and the weather.
The best survey conditions are usually October to March, when the temperature difference between inside and outside is at least 10C. That contrast makes heat loss easier to read around roofs, walls and openings.
Heating should be on for at least 2 hours before our surveyors arrive. A stable internal temperature helps us capture clear readings from the building fabric, not just a short burst of warmth from the boiler.
We carry out infrared scans from both sides where access allows, looking at walls, loft spaces, floors, windows and junctions. Surface temperature differences are recorded and checked against the building's construction.
Each image is reviewed, annotated and explained. We look for patterns that point to missing insulation, moisture ingress, draughts or thermal bridging, then rule out false readings caused by sun, reflections or uneven heating.
You get a practical report with thermal images and recommendations for next steps. It is written so a homeowner can act on it, whether the issue is a loft top-up, ventilation improvement or a check on damp.
Thermal images use a colour scale that usually runs from cold blue through green and yellow to hot red or white. Our surveyors read the picture alongside the property layout, because a bright patch does not always mean a fault and a cold patch does not always mean missing insulation. In a Hungerford house on the High Street, for example, a stone chimney breast or a timber frame junction may naturally show a different temperature from the surrounding wall. Context matters as much as colour.
False readings can appear if a wall has been in direct sunlight, if a reflective surface bounces infrared energy, or if a room has only recently been heated. That is why the best results come in the colder months, after the home has been warmed steadily and the outside air is cooler by at least 10C. Our thermal imaging specialists annotate each frame, explain the likely cause and set out what needs checking next, so you are not left trying to decode the palette yourself. In a town with 138 listed buildings, that explanation is essential, because older fabric often behaves differently from modern blockwork.
Temperature differentials are useful, but they are not read in isolation. A line of heat loss across a ceiling edge may point to a missing loft quilt, while a cold streak beside a window may be a failed seal or a bridging issue around the frame. In properties near the River Kennet or Bridge Street, a damp-looking patch could be the result of moisture ingress, or it could be a cold surface that has attracted condensation after a wet spell. We explain the difference in plain English and show why each finding matters for comfort, repair costs and energy use.
Hungerford's older homes produce a familiar pattern of defects. We often see loft insulation that has thinned out over time, draughts around original sash or casement windows, and cold bridging where later extensions meet an older wall. In brick properties, blown or patchy cavity insulation can show up as irregular cold bands, while in timber-frame buildings the thermal picture can point to hidden damp where moisture has entered a vulnerable junction.
Specific local buildings create specific thermal clues. A cruck-framed property such as 85 and 86 High Street can show very different surface temperatures at its frame and infill, while thatched homes, or homes that once carried thatch, can reveal heat escaping through roof areas where later repairs were not completed evenly. The same applies in flood-sensitive parts of town, especially around Charnham Street and Bridge Street, where repeated moisture exposure can alter wall temperatures long before a stain becomes obvious. Our surveyors use those clues to separate ageing fabric from avoidable heat loss.

A thermal imaging survey can detect heat loss through walls, roofs, floors and windows, plus missing insulation, air leakage, cold bridging and hidden moisture patterns. It can also highlight underfloor heating faults and some electrical hotspots. In Hungerford, that is especially useful in older High Street properties where later alterations can hide defects behind finished surfaces.
Our thermographic surveys start from £300. The final price depends on property size, layout and access, because a compact flat near the centre of Hungerford takes less time to scan than a larger detached house or a listed home with multiple levels. The report includes external and internal infrared scans, image analysis and written recommendations.
October to March is usually the best window, because the temperature difference between inside and outside should be at least 10C for clear results. Winter conditions give stronger contrast across walls, roofs and openings. In Hungerford, colder mornings also make it easier to spot heat loss in homes that face open ground or sit close to the river valley.
Most surveys take 1-2 hours, depending on property size and how easy it is to access the key rooms and elevations. A smaller flat may be quicker, while a larger listed house with loft spaces, extensions and outbuildings will take longer. We then review the images and prepare the report after the visit.
Thermal imaging can show the colder surface patterns that often sit around damp or moisture ingress, so it is a strong clue, not a final diagnosis by itself. It helps identify where water may be entering, pooling or cooling the fabric, which is useful in parts of Hungerford that have historic flood exposure near the River Kennet and Bridge Street. Our surveyors explain whether the image points to damp, condensation or simple thermal loss.
Yes, a little preparation helps. Keep the heating on for at least 2 hours before the appointment, and make sure key rooms, the loft hatch and external access points are available. If we can scan both inside and outside, the report is usually more useful, especially in homes with older brickwork or timber-frame sections.
Yes, and listed buildings often benefit from thermal imaging because hidden problems can sit behind sensitive finishes. Hungerford has 138 listed buildings, so our surveyors are used to working around older materials, timber frames and altered elevations. The goal is to identify heat loss and moisture patterns without disturbing the fabric.
It will point you to the areas that are losing the most heat, which helps rank the next steps. In many Hungerford homes that means loft insulation, draught proofing, window sealing or a cavity wall check before bigger work is considered. The report is written to help you spend money on the fixes that will make the biggest difference.
Thermographic surveys in Hungerford start from £300, with the final price shaped by the size of the property, the number of rooms and how much of the exterior can be scanned. A flat in the town centre will usually sit at the lower end of the range, while a larger home near the High Street, or a listed property with several roof levels, will need more time on site. The work is non-invasive and non-destructive, so the inspection does not alter walls, floors or finishes.
The visit itself usually lasts 1-2 hours, then we review the images, tag the problem areas and write the recommendations. Accurate results depend on the home being warmed steadily and the outside temperature being low enough to create a gap of at least 10C, which is why colder months give the clearest picture. In Hungerford, where old timber-frame houses, brick-and-tile alterations and flood-sensitive streets sit side by side, that extra contrast helps separate true heat loss from the quirks of age and weather.
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Infrared thermal imaging to detect heat loss, damp 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.