Infrared thermal imaging to detect heat loss and hidden defects








Heat leaks rarely show on a standard viewing. Our thermal imaging specialists carry out detailed infrared surveys across Stockton-on-Tees, using cameras that read surface temperature changes to 0.1C and reveal problems hidden behind plaster, render and roof finishes. A cold line at a window reveal, a missing patch of loft insulation, or a damp corner near an old chimney can all appear in seconds. The result is a clear picture of where energy escapes and where moisture may be building up.
Stockton-on-Tees has a mixed housing stock, from brick terraces around the town centre to newer homes off Harrowgate Lane, Buckthorn Crescent and Ingleby Barwick. That variety matters, because a 19th-century wall on High Street behaves very differently from a modern cavity wall on a newer estate. With average asking prices at £188,969 according to home.co.uk and average sold prices at £166,000 in February 2026 according to homedata.co.uk, every avoided heat-loss issue can make a real difference to comfort, bills and future repair costs.

£188,969
Average asking price (home.co.uk, May 2025)
£162,500
Median asking price (home.co.uk, May 2025)
£166,000
Average sold price (homedata.co.uk, February 2026)
£270,000
Detached sold price (homedata.co.uk)
£161,000
Semi-detached sold price (homedata.co.uk)
£125,000
Terraced sold price (homedata.co.uk)
£85,000
Flats and maisonettes sold price (homedata.co.uk)
66.2%
Home ownership rate (2021)
196,600
Population (2021)
200,444
Projected population (2030)
Using listing data from home.co.uk and property data from homedata.co.uk
A thermal camera does far more than find a cold wall. In Stockton-on-Tees, our surveyors use infrared imaging to trace heat loss through roofs, floors, windows and external walls, then compare those patterns against the building fabric. Missing cavity wall insulation, collapsed loft insulation, poor seals around frames, and cold bridging at junctions all stand out once the heating has run long enough. On older brick homes near Silver Street or Finkle Street, that contrast can be especially revealing.
Moisture also changes temperature, which is why a thermographic survey can highlight damp patches, leaks and condensation risk without cutting into walls. We can pick up underfloor heating faults, radiator pipework issues and electrical hotspots where a circuit is working harder than it should. The scan is non-invasive and non-destructive, so we do not need to open up finishes to see what is happening underneath. That makes it a practical first step for both older town centre homes and newer properties around Harrowgate Lane or Ingleby Barwick.

Stockton-on-Tees has a housing profile that rewards a close look at energy performance. The borough's 2021 figures show 66.2% of households owned their home, with 30.0% owned outright and 21.8% in the social rented sector, so there is a wide spread of building ages, tenures and maintenance histories. Population growth from around 191,600 in 2011 to 196,600 in 2021, with a projection of 200,444 by 2030, also keeps pressure on existing homes to perform well. When the fabric is losing heat, comfort falls quickly and bills move in the wrong direction.
Older parts of Stockton tell a long construction story. A major rebuilding phase between 1680 and 1710 relied on brick and tiles, with historic buildings on Silver Street, the High Street and Finkle Street still showing that fabric today, while 25 High Street is a Grade II listed brick structure from the mid to late 18th century. The borough has 491 listed buildings and 12 scheduled monuments, and the Stockton Town Centre Conservation Area protects a wide stretch of the historic core. Solid brick walls, shallow pre-1900 foundations and later alterations can all leave thermal weak points that a camera can map in minutes.
Newer housing does not escape scrutiny either. Developments such as Summerville Meadows off Harrowgate Lane, Tithebarns Fields west of Harrowgate Lane, Persimmon Homes at Buckthorn Crescent, Bassleton Meadows in Ingleby Barwick, Sadler Woods at Allens West and Highgrove at Wynyard Park all bring modern insulation standards, yet build quality can still vary at the junctions. Loft hatches, service penetrations, party walls and roof insulation details often show up as small but costly leaks. Stockton-on-Tees also sits on clay, gravel, Till, sandstone and mudstone, so moisture movement and local weather exposure can add another layer to what the thermal image shows.
Thermal images turn heat loss into something you can see and act on. A typical survey often shows around 25% of heat escaping through the roof, 35% through walls and 15% through windows, although the exact split depends on the home. In Stockton-on-Tees, that can mean a tired terrace with a cold loft hatch, a semi-detached home with thin wall insulation, or a flat where the window seals have started to fail. The picture is practical rather than abstract, because every cold patch points to a fix.
Energy improvements become easier to prioritise once the weak points are mapped. A missing strip of loft insulation, a draughty front door on a High Street property, or a cavity wall void in a 1960s estate home can all be linked back to a measurable temperature difference. That helps when deciding whether to start with draught-proofing, loft top-up, window repairs or a larger insulation project. The survey does not just show where the heat is going, it shows where the money can stay in the house.

Choose a slot and tell us about the property, from a flat near Church Road to a detached home in Wynyard. We confirm the appointment and explain the conditions that will give the clearest thermal contrast.
October to March usually gives the best results because the difference between inside and outside temperatures is stronger. A minimum 10C temperature gap is the target for reliable readings.
Keep the heating on for at least 2 hours before the survey. That helps the building fabric reach a steady state, so missing insulation and air leakage show up properly.
Our surveyors carry out internal and external infrared checks, looking at walls, roofs, floors, windows, doors, loft spaces and visible service runs. The camera records surface temperature patterns across the building envelope.
Each image is reviewed, annotated and matched to the visible condition of the property. We separate genuine defects from reflections, solar gain and other false readings.
You receive a clear report with thermal images, findings and practical next steps. The recommendations focus on heat retention, comfort and lower energy use, not guesswork.
Thermal images use colour to show temperature differences, not decoration. Cold surfaces usually appear blue, purple or black, while warmer areas shift towards red, orange or white depending on the colour scale used. A colder patch on an internal wall can mean heat loss, but it can also point to moisture, poor insulation or cold bridging at a junction. On a terrace near the town centre, for example, a colder stripe beside a chimney breast can reveal an area that needs closer inspection.
Context matters as much as the image itself. Strong sunshine on a south-facing wall, reflective glazing, recently switched-off heating or wind over a surface can all distort the reading, so our surveyors annotate each frame and explain what is real and what is misleading. That is especially useful on Stockton-on-Tees properties with mixed materials, later extensions or irregular masonry around listed sections in the High Street area. A good thermal report does not just show a cold spot, it tells you why it appears and what to do next.
Older terraces in Stockton town centre often show the same thermal patterns: single glazing, thin loft insulation, draughts at timber window frames, cold chimney breasts and weak points where later repairs have bridged the wrong way. Homes around Silver Street, Finkle Street and the High Street can also show heat loss around parapets, party walls and roof junctions. In a listed or historic setting, that can be tied to original construction rather than a single defect, which is why the thermal map needs a careful read.
Post-war semis and estate homes can look different. We often see missing sections of cavity wall insulation, loft insulation that has slipped or been compressed, unsealed service penetrations, and cold spots around bay windows or extension roofs in areas such as Bishopsgarth, Harrowgate Lane and Ingleby Barwick. Newer plots at Buckthorn Crescent, Summerville Meadows and Highgrove at Wynyard Park can still reveal workmanship issues around window reveals, extractor ducts or roof insulation. Moisture patterns near the River Tees and on clay soils can also make a wall read colder than expected, which is why our surveyors separate heat loss from damp conditions.

A thermal imaging survey can detect heat loss, missing insulation, cold bridging, draughts, damp-related cooling, and some electrical or heating faults. In Stockton-on-Tees, that means we can pick up issues in older town centre terraces, post-war semis and newer homes across the borough. The camera shows temperature patterns that are not visible to the naked eye, so hidden defects become much easier to understand.
Our thermal imaging surveys in Stockton-on-Tees start from £300. The final price depends on property size, layout and how much scanning is needed inside and out. A smaller flat or terrace may sit at the lower end, while a larger detached home or a more complex property will need more time.
October to March gives the best results because the temperature difference between inside and outside is usually much stronger. We look for at least a 10C gap, and the heating should be on for at least 2 hours before the scan. That contrast makes heat loss and air leakage much easier to see.
Most thermal imaging surveys take 1-2 hours, depending on the size and layout of the property. A compact flat near the town centre is quicker to scan than a large detached house in Wynyard or Redmarshall. The analysis and reporting stage happens after the visit, so the final report is more detailed than the time on site might suggest.
Yes, thermal imaging can help identify damp areas because moisture often cools the surface of a wall, ceiling or floor. It is useful for spotting leaks, condensation risk and areas where water ingress is affecting the fabric. It does not replace a moisture meter, but it gives a strong visual clue that points us to the problem.
Yes, a little preparation helps a lot. Keep the heating on for at least 2 hours before the appointment, keep windows closed and avoid opening external doors unless needed. It also helps if loft hatches, boiler cupboards and side returns are accessible, especially in older Stockton-on-Tees homes with compact layouts.
It is very useful on a new-build home because insulation problems can still happen at the build stage. We often use thermal imaging to check window installation, loft details, airtightness around pipes and ducts, and missing insulation at junctions. Homes on newer developments such as Harrowgate Lane, Buckthorn Crescent and Wynyard Park can still show clear heat-loss patterns if the fabric has not been finished well.
From £80
Check your energy rating and identify practical upgrades
From £400
Suited to conventional homes with visible condition checks
From £499
Full structural inspection for older or complex properties
Our thermal imaging surveys in Stockton-on-Tees start from £300, with the final fee shaped by the size and complexity of the home. The visit normally includes external and internal infrared scans, a review of the temperature patterns, and an annotated report with practical recommendations. That report is designed to show where insulation is failing, where draughts are entering, and which repairs will make the biggest difference first. For a small terrace or flat, the visit may be straightforward, while a larger detached property or a home with several extensions needs more time on site.
Accurate results depend on the right conditions. October to March is usually the best window for a survey, the heating should be on for at least 2 hours before arrival, and there needs to be a minimum 10C difference between inside and outside. Stockton-on-Tees has everything from historic brick work in the town centre to newer estates at Harrowgate Lane, Ingleby Barwick and Wynyard, so the same survey can reveal different patterns from one street to the next. A strong thermal contrast helps our surveyors separate normal construction behaviour from real energy loss, and that is what turns the images into useful action.
Thermographic Survey In London

Thermographic Survey In Plymouth

Thermographic Survey In Liverpool

Thermographic Survey In Glasgow

Thermographic Survey In Sheffield

Thermographic Survey In Edinburgh

Thermographic Survey In Coventry

Thermographic Survey In Bradford

Thermographic Survey In Manchester

Thermographic Survey In Birmingham

Thermographic Survey In Bristol

Thermographic Survey In Oxford

Thermographic Survey In Leicester

Thermographic Survey In Newcastle

Thermographic Survey In Leeds

Thermographic Survey In Southampton

Thermographic Survey In Cardiff

Thermographic Survey In Nottingham

Thermographic Survey In Norwich

Thermographic Survey In Brighton

Thermographic Survey In Derby

Thermographic Survey In Portsmouth

Thermographic Survey In Northampton

Thermographic Survey In Milton Keynes

Thermographic Survey In Bournemouth

Thermographic Survey In Bolton

Thermographic Survey In Swansea

Thermographic Survey In Swindon

Thermographic Survey In Peterborough

Thermographic Survey In Wolverhampton

Infrared thermal imaging to detect heat loss and hidden defects
Get A Quote & BookMost surveyors take 1-2 days to quote.
We'll price your survey in seconds.
Most surveyors take 1-2 days to quote.
We'll price your survey in seconds.





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.