Infrared thermal imaging to detect heat loss and hidden defects








Cold patches are rarely random. Our thermal imaging specialists carry out detailed infrared surveys across Brackley, from the Old Town conservation area to homes near Buckingham Road and Shires Road. An infrared camera reads surface temperature differences to 0.1C, so we can spot heat escaping through walls, roofs, floors and around window frames without opening anything up. Damp patches, missing insulation and air leakage all show up as patterns on the thermal screen.
Brackley has a mix of older homes, conservation-area properties and newer schemes such as Yarndale Gardens and St James View, NN13 6BL. Those different build types behave very differently in winter. Homes with solid walls or older loft insulation lose heat in a different way from energy-efficient new builds, so a thermal survey gives a clear picture of where energy is being wasted and where comfort is being lost.

In Brackley Old Town, missing loft insulation or cold bridging around chimneys often stands out first. Our thermal images also pick up cavity wall insulation that has slumped, gaps around loft hatches, and heat leaking through window reveals. The scan is non-invasive and non-destructive, so we can inspect without lifting floorboards or cutting into plaster.
We also look for hidden damp and moisture ingress, especially in areas exposed to the River Great Ouse flood warning area around Mill Road in Whitfield, Turweston Mill and Mill Lane. A cold stain is not proof of damp on its own, but it gives a strong clue where moisture may be entering. Electrical hotspots and underfloor heating faults can show too, which is useful in newer homes at Yarndale Gardens.

Brackley’s homes do not all behave the same. Across England and Wales in 2021, 31.5% of households were in semi-detached homes, 23.2% in detached homes, 23.2% in terraced homes and 21.7% in flats, maisonettes or apartments. That spread matters because each construction type leaks heat in different places, and Brackley has properties ranging from older town-centre stock to newer estates such as St James View.
Properties around the Brackley Town Centre conservation area and Brackley Old Town conservation area often have thicker masonry, older roof spaces and patchy retrofit insulation. Those homes can look warm on paper, yet still lose heat through junctions, chimney breasts and uninsulated voids. We often find that a modest upgrade in loft insulation or draught sealing makes a bigger difference than homeowners expect.
Newer homes at Yarndale Gardens, where Crest Nicholson is building 3, 4 and 5 bedroom energy-efficient homes, can still show defects if insulation has been missed at eaves, around service penetrations or in attic trusses. St James View, NN13 6BL, adds another layer, with 2, 3, 4 and 5 bedroom homes close to St James Lake. A thermal survey helps separate normal heat patterns from defects, so the fix is targeted rather than speculative.
On many Brackley surveys, the thermal map follows the same pattern we see elsewhere: around 25% of heat lost through the roof, 35% through walls and 15% through windows. Those figures do not describe every house, but they do show why a scan can quickly point to the worst-performing parts of the envelope. A few cold bands on a north-facing elevation can explain a high heating bill.
A thermal image report does not replace an EPC, but it shows where EPC-related improvements are likely to work. In Brackley, that can mean topping up loft insulation in older roofs, sealing around Buckingham Road window frames or improving cavity wall performance near Boundary Road. The payback on the right upgrade is usually clearer when we can point to the exact cold bridge or gap, rather than guessing.

Start with the Brackley property details, access notes and the type of issue you want checked. Our booking system is set up for a quick quote through /quote/surveys/thermographic/.
We aim for October to March where possible, because thermal contrast is strongest when the inside-outside difference is at least 10C. That contrast makes missing insulation and air leakage easier to see.
Keep the heating running for at least 2 hours before we arrive. Closed windows and external doors help the building reach a steady temperature pattern.
Our surveyors carry out external and internal thermal scans across the property. The camera captures surface temperature variation and highlights the areas that are colder or warmer than expected.
We review each thermal image, remove false readings from reflections or recent sunlight, and annotate the findings. This is where a blue patch turns into a practical explanation.
You receive a clear report with thermal images and recommendations for insulation, draught proofing, moisture checks or further investigation. The findings are written in plain language, not technical jargon.
Thermal images use a colour scale: colder surfaces appear blue, greener areas are mid-range, hotter patches move towards red or white. In a Brackley terrace near the Town Centre conservation area, a blue line under a window might indicate draughts or missing insulation, while a white patch on an internal wall could be a radiator or another heat source. The camera sees surface temperature, not the material itself, so we interpret each image with the building in mind.
A difference between inside and outside matters. If the property is only 3C warmer inside, the picture will be flat and defects can hide. That is why we ask for at least a 10C temperature difference and prefer October to March, when the contrast makes missing cavity insulation or cold bridging on a roof eaves line much easier to spot.
False readings can come from sunlight, reflections on glazing and recently heated surfaces, especially on south-facing walls around Buckingham Road or Boundary Road. We mark each image with notes so you can see which patches are genuine and which are heat reflections or solar gain. A clear report matters more than a dramatic picture.
Older homes in Brackley Old Town often show the usual trouble spots: thin loft insulation, draughts around original sash windows, cold bridging at solid wall junctions and heat loss around chimneys. Conservation-area homes are often well cared for, but repair work and retrofit can leave small gaps that a thermal scan will catch. Where the roofline meets the wall, a cold band often reveals exactly where heat is escaping.
Newer builds on Yarndale Gardens and St James View can still show cold strips at ceiling levels, gaps around downlights, insulation displaced around loft hatches, or underfloor heating loops that are not performing evenly. Around Mill Road, Willow Road and Shires Road, we sometimes pick up damp signatures linked to exposed walls or water ingress after heavy rain. Electrical hotspots may also show up near consumer units or poorly loaded circuits, which gives another reason to inspect with infrared rather than just eye level checks.

It can detect heat loss through walls, roofs, floors and window frames, plus missing or collapsed insulation, air leakage, cold bridging and damp signatures. Our thermal imaging specialists also look for electrical hotspots and underfloor heating faults where the pattern suggests a problem. In Brackley Old Town and newer schemes such as Yarndale Gardens, that mix of findings helps separate cosmetic issues from real performance defects.
Our thermal imaging surveys in Brackley start from £300. The final quote depends on the size of the property, access to rooms and roofs, and how much detail is needed in the report. Homes near St James View, NN13 6BL, or older homes around the Town Centre conservation area can both be priced from the same starting point.
October to March gives the best results because the building needs a strong temperature difference to show up heat loss clearly. We aim for at least 10C between inside and outside, with the heating on for at least 2 hours before the survey. That contrast is especially useful on mixed stock in Brackley, where older masonry and newer insulation behave differently.
Most Brackley surveys take 1-2 hours, depending on the property size and how much of the building needs scanning. A compact terrace near Buckingham Road is usually quicker than a larger detached home or a property with loft and extension checks. The report takes longer than the visit itself because we analyse and annotate each image after the inspection.
Yes, thermal imaging can highlight areas that may be linked to damp or moisture ingress, but it does not replace a moisture meter or a fuller diagnosis. A cold patch near a wall in the River Great Ouse flood warning area, or around Mill Road in Whitfield, can point us towards a problem area. We then explain whether the image suggests condensation, penetrating damp or another source.
Yes, a little preparation helps the images read properly. Keep the heating on for at least 2 hours before we arrive, close external doors and windows, and make sure we can access loft hatches, boiler cupboards and the rooms you want checked. In Brackley Old Town and around the conservation areas, this preparation can make a big difference to image clarity.
Very useful. Older homes in the Brackley Old Town conservation area often have solid walls, older roof spaces and upgrades that were done in stages, so the heat-loss pattern can be patchy. A thermal survey shows where the fabric is underperforming without disturbing original finishes.
Yes, and new homes often benefit from infrared checks just as much as older ones. At Yarndale Gardens and St James View, we often look for displaced insulation, gaps around service penetrations, loft hatch leaks and heating issues that only become obvious after occupation. A fresh build can still lose energy if one detail has been missed.
From £80
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Our thermal imaging surveys in Brackley start from £300. That fee covers the infrared inspection, the review of the thermal data and an annotated report that shows where heat is being lost or where hidden defects may be present. A clear report is useful whether the property sits in the Brackley Old Town conservation area or on a newer road near Yarndale Gardens.
The best value comes from the right conditions, not from rushing the visit. We work best from October to March, with heating on for at least 2 hours and an inside-outside temperature difference of at least 10C. If those conditions are in place, the images are sharper, the findings are easier to read and the recommendations are more reliable.
Turnaround depends on the size and complexity of the property, but the process always follows the same route: survey, analysis, annotation, then report. That means you get practical guidance on insulation gaps, draughts, damp signatures and any other heat-loss patterns we find in Brackley. Homes near Buckingham Road, Boundary Road or the flood-warning area by the River Great Ouse can all be assessed in the same way.
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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.