Infrared thermal imaging to detect heat loss and hidden defects








Infrared cameras reveal where a property wastes energy long before a draught is felt. Our thermal imaging specialists carry out detailed surveys across Eastleigh, from the town centre to Bishopstoke and the newer homes around North Stoneham Park. We use non-invasive infrared scanning to spot surface temperature changes as small as 0.1C, which helps us pinpoint heat loss, air leakage and damp patterns that stay hidden behind plaster, brick and roof finishes. The result is a clear report that turns cold spots into practical repair work.
Eastleigh's housing stock gives us a mixed picture, and that matters for heat loss. homedata.co.uk records a £330,000 median sale price, while home.co.uk lists an average asking price of £391,882, so owners are often weighing upgrade costs against running costs and resale value. The area also saw 1,445 residential sales in the last 12 months, with homes ranging from older terraces and flats to new builds such as Heritage Place on Hopper Road, SO50 9SH and The Lower Acre at SO50 3AP. That mix makes thermal imaging especially useful, because new insulation can still fail at junctions and older homes can hide gaps around lofts, windows and floor edges.

£330,000
Overall Median House Price
£480,000
Detached
£345,000
Semi-detached
£284,500
Terraced
£180,000
Flat
-4.3%
12-Month Price Change
1,445
Residential Sales (12 months)
£391,882
Average Asking Price
-2.2%
Asking Price Change (6 months)
£559,333
Detached Asking Price
£170,944
Flat Asking Price
136,400
Population
56,900
Households
Using listing data from home.co.uk and property data from homedata.co.uk
A thermal survey maps the places where heat escapes and where moisture changes surface temperatures. Our infrared cameras pick up problems at roof lines, wall junctions, window surrounds, floor edges and loft hatches, then separate normal temperature differences from patterns that point to a defect. That means we can identify missing or collapsed cavity wall insulation, cold bridging, air leakage around doors and windows, underfloor heating faults and electrical hotspots without cutting into the building fabric. It is non-invasive and non-destructive, so the property stays intact while we gather the evidence.
Eastleigh homes often show a wide range of behaviour on the camera because the local stock ranges from newer schemes such as Cedar Place, SO50 9, to older streets around Bishopstoke and Botley. In a post-war terrace, the coldest bands usually appear around loft insulation and external wall junctions. In a newer home, the issue may be a break in insulation continuity at a service penetration or roof detail. The image gives us the shape of the problem. The report explains the cause.

Eastleigh's housing base is large enough to produce a wide spread of property types and ages, and that is exactly where thermal imaging earns its keep. The 2021 Census recorded 136,400 residents and 56,900 households with at least one usual resident, both up 8.9% and 9% since 2011, so the borough has seen steady residential growth. That growth sits alongside older brick homes, flats, post-war stock and newer developments, including Heritage Place at Hopper Road, SO50 9SH, The Lower Acre at SO50 3AP, Cedar Place in SO50 9 and Milkcap House or The Gilldale. A RICS Level 2 survey is generally recommended for properties built after 1900, yet thermal imaging adds another layer by showing where energy is escaping even when surfaces look sound.
The borough's transport and employment pattern also shapes the housing stock we inspect. Eastleigh sits between Southampton and Winchester, with the M3, the M27, Southampton International Airport and Eastleigh train station with direct routes to London Waterloo all drawing commuters and movers into the area. Town centre regeneration has also brought newer apartments and converted stock into the mix, which means we often compare modern building fabric against older homes that have been altered several times. A house may look well maintained after a viewing, then the thermal image reveals a cold strip across a lintel, a skipped insulation batten or a draught path behind a fitted unit.
Heritage buildings need a different reading again. Eastleigh Borough has around 176 listed buildings, eight of them Grade II*, and Eastleigh Manor House is built from stone rubble with ashlar dressings and slate roofs to front and rear. Stone and slate behave differently from cavity brick, so a dark patch on the screen may be normal fabric cooling rather than a defect. Our surveyors read the pattern, not just the colour, then set that against the building type, age and likely construction method before we write the recommendation.
Thermal imaging turns energy loss into something you can see and act on. In many homes, around 25% of heat leaves through the roof, 35% through walls and 15% through windows, so a camera report quickly shows which part of the fabric needs attention first. That matters in Eastleigh, where homedata.co.uk records a £330,000 median and home.co.uk lists an average asking price of £391,882, because owners want upgrades that carry a clear return rather than guesswork. A strong thermal report gives you that evidence before you spend on insulation, sealing or replacement glazing.
Warm streaks across ceiling lines can point to thin loft insulation, while cold bands on external walls often suggest missing fill or a thermal bridge at a junction. We also pick up weak points around downlights, chimney breasts, soffits and dormer cheeks, then tie those findings to practical fixes such as top-up loft insulation, draught sealing, or cavity wall checks. Newer homes in Eastleigh, including schemes such as Heritage Place and The Lower Acre, can still show cold lines around roof penetrations and party wall details. Energy efficient construction still needs careful workmanship. Thermal imaging shows where that workmanship has slipped.

Choose your appointment through our quote page, then we match the survey to your property type and location in Eastleigh.
The best results come from October to March, when the temperature difference between inside and outside is at least 10C.
Keep the heating on for at least 2 hours before the survey so the building has a stable thermal pattern.
Our surveyors complete external and internal infrared scans, normally within 1-2 hours depending on the size of the property.
We review the heat patterns, annotate each finding and check for false readings caused by reflections, sun or wind.
You receive a written report with thermal images, plain-English explanations and practical recommendations for the next repair or upgrade.
Thermal images use colour to show temperature differences, not decoration. Blue or darker shades usually show colder surfaces, while red, orange and white indicate warmer areas. A cold patch on an external wall can mean missing insulation or moisture cooling the surface, and a hot line across a ceiling often shows heat escaping into the loft. Our thermal imaging specialists read those patterns alongside the property type, the weather conditions and the heating history, so the picture makes sense rather than creating more questions.
False readings can appear if the property has had direct sun on one elevation, if the glass is reflecting the sky, or if wind is stripping heat from a surface faster than expected. Eastleigh properties near the M3, the airport or the railway can also show more variation on exposed façades than on sheltered walls, which is why timing matters so much. We avoid poor scan conditions where possible, then explain any limitations in the report. A good image is only useful if the notes beside it tell you why it looks that way.
The final report turns those images into action. We mark each hot or cold area, describe the likely cause and set out the fix in order of priority, from simple draught proofing to insulation upgrades or a more detailed building survey. If a terrace in the town centre shows a strong cold stripe at a chimney breast, we explain whether the cause looks like missing insulation, blocked ventilation or moisture ingress. That level of detail helps you decide what to tackle first and what can wait.
Eastleigh's newer developments still generate useful findings because modern fabric does not always mean perfect heat retention. At Heritage Place on Hopper Road, SO50 9SH, or at The Lower Acre in SO50 3AP, we may see cold bridges at roof junctions, missed insulation around service penetrations or cooler spots where workmanship has left a gap. Cedar Place in SO50 9 and Milkcap House or The Gilldale can show similar patterns if the insulation layer is interrupted by fittings or detailing around the envelope. The lesson is simple. A new home can still leak heat if the envelope is not continuous.
Older homes tend to reveal different patterns. In terraces and flats around Bishopstoke, Botley, Gaters Mill, Netley Abbey and the other conservation areas in the borough, we often see thin loft insulation, draughts around original windows, and heat loss where extensions meet older walls. Eastleigh Manor House, with its stone rubble walls and slate roofs, needs careful interpretation because solid masonry cools differently from cavity brick. A thermal image alone does not tell the whole story. The building type, the roof form and the repair history all matter.
Water can confuse the picture as well. The River Itchen and Monks Brook have extensive flood outlines covering parts of Chandler's Ford, Eastleigh town centre and Bishopstoke, while the borough has also faced surface water flooding, groundwater issues at the northern boundary and infrastructure failure risks. Moisture lowers surface temperature, so a damp patch can look like an insulation failure even when the real problem is water ingress. Our surveyors flag those areas clearly, then explain where a builder, roofer or damp specialist should look next. That stops owners chasing the wrong fault and wasting time on the wrong repair.
A thermal imaging survey can detect heat loss through roofs, walls, floors and windows, plus air leakage around doors, loft hatches and service points. It can also show missing cavity insulation, cold bridging, damp-related cooling, underfloor heating faults and some electrical hotspots. In Eastleigh, that helps us separate normal seasonal cooling from a real defect in a terrace, flat or newer home.
Our thermal imaging survey in Eastleigh starts from £300. The final price depends on property size, layout and how many elevations or internal areas need scanning. A detached home in the £480,000 market band often takes longer than a flat, so the quote reflects the time needed to inspect it properly.
The strongest results usually come from October to March, when the temperature difference between inside and outside is at least 10C. That contrast makes insulation gaps, draught paths and thermal bridges stand out much more clearly on the camera. Bright sun, warm walls and windy conditions can blur the pattern, so colder months give us the cleanest read.
Most surveys take 1-2 hours, depending on the size and complexity of the property. A compact flat in Eastleigh can be quicker, while a larger detached home or a house with multiple extensions will take longer. The analysis stage happens after the site visit, when our team reviews every image and adds notes to the report.
Yes, thermal imaging can highlight the temperature patterns that often go with damp or moisture ingress. A wet wall usually reads colder than a dry one because evaporative cooling changes the surface temperature. That said, the camera shows the symptom, not the full cause, so we explain whether the next step is a roofer, plumber, damp specialist or a deeper building survey.
Yes, a little preparation helps the survey run smoothly. Keep the heating on for at least 2 hours before we arrive, and make sure lofts, cupboards, service rooms and external walls are accessible. It also helps to close windows and avoid fresh ventilation changes just before the appointment, so the thermal pattern stays stable.
Yes, especially in homes at Heritage Place, Cedar Place or The Lower Acre, where modern fabric can still hide small build-quality issues. New homes often have strong insulation on paper, but a camera can reveal gaps around penetrations, roof details or cold bridges that affect comfort and energy use. If you are buying or settling into a recent build, the survey gives you a clear check on how the property is performing in real conditions.
Price on request
Energy rating and upgrade priorities
From £499
Suitable for standard homes built after 1900
Price on request
For older, altered or non-standard homes
Price on request
Legal support after your survey findings
Thermal imaging surveys in Eastleigh start from £300, and the price rises with property size, access and the number of rooms or elevations we need to inspect. That fee covers external and internal infrared scans, image review and a written report with practical recommendations. For a market like Eastleigh, where homedata.co.uk records a £330,000 median and home.co.uk lists an average asking price of £391,882, that sort of evidence can be far more useful than guessing where heat is being lost. It gives you a measured basis for deciding between simple draught sealing, loft insulation upgrades or a more detailed follow-up survey.
Timing matters just as much as price. The best results come in colder months, from October to March, with the heating running for at least 2 hours before the appointment and a temperature difference of at least 10C between inside and outside. A typical survey still takes only 1-2 hours, so the visit is quick, but the analysis is where the value sits. We review every frame, annotate each issue and explain what the pattern means in plain English, so the report can move straight into repair planning.
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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.