Infrared thermal imaging to detect heat loss and hidden defects








Our thermal imaging specialists carry out detailed infrared surveys across Worthing, from BN11 flats near the town centre to BN14 semis in West Worthing and seafront homes near Steyne Gardens. Infrared cameras detect surface temperature variations to 0.1C accuracy, so we can pick out heat loss, damp patterns and air leakage that never show up in a normal visual inspection. The survey is non-invasive and non-destructive, which suits older stucco terraces, Art Deco blocks and newer homes at Lindfield Place on Farncombe Road. Book a thermal imaging survey in Worthing from £300 and get a clear picture of where energy is being lost.
Worthing's housing stock makes thermal analysis useful for owners and buyers alike. homedata.co.uk records show an overall average house price of £302,000 in March 2026, with detached homes at £604,000 and flats at £183,000, while sales fell 16.5% to 1.4k in the last 12 months. Worthing has 24% flats, 42% 1 and 2-bed homes, 68% home ownership and 22% of residents aged 65 or over, so warmer rooms and lower bills matter in everyday use. Our surveys help homes in Goring-by-Sea, Heene, Broadwater and central Worthing see the insulation gaps hiding behind finished walls.

Cold spots often show up first around roof slopes, ceiling joists and window reveals, and that is where missing loft insulation, collapsed cavity fill or weak draught sealing tends to sit. In Worthing, our thermal imaging specialists regularly scan bay windows in Broadwater, flat roofs along the seafront and junctions in older houses near Chapel Road, because those details often leak more heat than the rest of the wall. The camera also shows cold bridges at structural junctions, especially where solid brick meets later extensions. That makes hidden inefficiency visible in minutes, not guesswork.
Moisture brings its own pattern. A damp patch behind a bathroom wall in Heene, a leak around a parapet on Steyne Gardens or an ingress point in a Goring flat can all appear as a colder area on the thermal image before staining becomes obvious. We also pick up air leakage around doors and sash windows, underfloor heating faults and electrical hotspots where circuits are running warmer than they should. Because the scan is quick and non-destructive, it gives a practical read on the building fabric without opening it up.

Worthing's housing mix creates a wide spread of thermal behaviour. The 2021 census figures show 24% of homes are flats, 42% are 1 and 2-bed properties, 68% are owner occupied, 22% are privately rented and 10% sit in the affordable housing sector. That profile matters in places like central Worthing, Goring-by-Sea and East Worthing, where one block can include top-floor flats, maisonettes and later conversions with different insulation standards. Smaller homes often lose heat faster through exposed roof areas, party walls and older windows, so a thermal survey gives a clear route to better comfort.
Worthing also has a large stock of older buildings. The town grew through the early 19th century and then through the Victorian and early 20th century periods, so streets such as Steyne Gardens, Broadwater, Heene, Chapel Road and Farncombe Road contain solid-wall houses, stucco fronts and later Art Deco forms. There are 26 designated conservation areas, over 300 listed buildings and 212 buildings with statutory listed status as of 2009, including Castle Goring, The Old Palace in Tarring and Church of St Mary in Broadwater. Those buildings often need careful attention to breathability, junction details and retrofitted insulation, all of which thermal imaging helps to check without disturbing original fabric.
Local ground and coastal conditions add another layer. Worthing sits on chalk bedrock with large areas of sand and gravel, while parts of the town are underlain by London Clay, which can shrink and swell as moisture levels change. That movement can open fine gaps around roof lines, bay windows and service penetrations in streets such as Pavilion Road and Durrington, and thermal imaging can show the resulting cold streaks. Coastal exposure around Worthing's seafront and low-lying streets can also drive moisture ingress, so a scan gives a useful snapshot of how the building shell is performing under local conditions.
A thermal survey turns vague energy loss into measured patterns. In many homes, about 25% of heat leaves through the roof, 35% through walls and around 15% through windows, so the biggest gains usually sit in the places that are easiest to miss during a normal survey. That matters in Worthing because a flat in Lindfield Place on BN11, a semi at Pavilion Road in BN14 or an apartment at Elizabeth Square in BN12 4EA can all hide different leakage paths. Our surveyors map those paths room by room and elevation by elevation.
The report then points towards practical upgrades. Loft insulation top-up, draught proofing, better seals around doors, cavity wall checks and work on thermal bridges can improve comfort and support EPC uplift without major disruption. On newer schemes such as Lindfield Place, Elizabeth Square and the homes marketed on Pavilion Road, the issues may be smaller, but unsealed penetrations and weak junctions still waste energy. On older Worthing streets, the savings can be larger because the fabric has had decades to lose heat through gaps, cold masonry and tired joins.

Start with a quick booking at /quote/surveys/thermographic/. We can arrange visits across Worthing, from central BN11 streets to homes around Goring and Durrington.
The best results come from October to March, with a temperature difference of at least 10C between inside and outside. That contrast makes heat loss stand out clearly on the infrared scan.
Please keep the heating on for at least 2 hours before the survey. A stable internal temperature helps our surveyors read the building fabric more accurately, especially in seafront homes and older terraces.
Our thermal imaging specialists complete external and internal infrared scans where access allows. We inspect walls, roofs, floors, windows, doors, loft hatches and problem junctions in homes across Worthing.
We then review each thermal image, mark up the key areas and separate real defects from false readings caused by reflections or local heat sources. This step matters in glazed bays, south-facing facades and busy seafront elevations.
You get a clear report with thermal images, notes on the causes of heat loss and practical recommendations. The survey usually takes 1-2 hours depending on the property size, from a compact flat in BN11 to a larger house in BN14.
Reading a thermal image starts with the colour scale. Cold areas usually appear blue or purple, while warmer parts move through green, red and sometimes white, so a continuous cold stripe across a ceiling line in a Worthing terrace can point to missing insulation or a cold bridge. The image is never just a picture of temperature on its own. Our surveyors interpret it in the context of the building type, the time of day and the local weather on that date.
False readings can creep in, especially on glazed bays, shiny surfaces and walls exposed to direct sun. A south-facing frontage on Chapel Road or a reflective window band on an Art Deco block near the seafront can look hotter than the structure underneath, so we check for reflections and solar gain before drawing any conclusion. The same care applies after wet weather in parts of Goring or Durrington, where surface moisture can cool a patch without showing the full cause. That is why thermal imaging works best alongside on-site knowledge of Worthing's building styles.
Our report ties each image to a plain-English note. If we see a colder patch behind the chimney breast in Heene, a line of heat loss at the eaves in Broadwater or a warm electrical point in a flat near Steyne Gardens, we explain what it means and what to do next. The aim is not to flood you with coloured pictures. The aim is to show which repairs matter, which ones can wait and which areas should be checked by another specialist.
Victorian terraces around Broadwater and Heene often show missing loft insulation, cold bridging at solid wall junctions and draughts around original sash windows. Many of those homes sit in conservation areas, so owners want repairs that respect the fabric while cutting heat loss. Thermal imaging helps us see where cold air is entering without lifting floorboards or disturbing finishes. That is useful where a property has already been improved in stages and the insulation story is patchy.
Post-war homes in Goring and Durrington can show different problems, including weak cavity insulation, patched-up loft spaces and heat loss around later extensions. Art Deco blocks and seafront flats can present flat roof moisture, failed seals around large windows and cold junctions where concrete, plaster and glazing meet. We also see newer homes, including homes at Lindfield Place and Elizabeth Square, with thermal leaks around loft hatches, service penetrations and poorly sealed reveals. Worthing's varied stock means the same street can produce very different images from one property to the next.

A thermal imaging survey can detect heat loss through walls, roofs, floors and windows, plus missing or collapsed cavity wall insulation, cold bridging, air leakage and some moisture patterns. In Worthing, that often shows up in older homes around Heene and Broadwater, seafront flats near Steyne Gardens and newer homes with weak junction detailing. We can also spot underfloor heating faults and electrical hotspots where the surface temperature is higher than expected. The scan gives a practical view of the building shell without opening it up.
Our thermal imaging surveys in Worthing start from £300. That price is useful when you compare it with the local housing market, where homedata.co.uk records show an average home value of £302,000, flats at £183,000 and detached homes at £604,000. For a property of that value, a thermal check is a modest cost if it helps cut wasted heat and points to the right repairs. The exact quote depends on the size and layout of the home.
October to March is the best window because the temperature difference between inside and outside is usually strong enough for the camera to read heat loss clearly. We look for at least a 10C difference, and we ask for the heating to be on for 2 hours before we arrive. That matters in Worthing seafront homes, where milder weather can flatten the temperature contrast, and in older terraces where the fabric has a lot of thermal mass. A colder evening often gives the clearest result.
Most thermal surveys take 1-2 hours, depending on the size and complexity of the property. A compact flat in BN11 may be done quite quickly, while a larger house in BN14, a converted building in Heene or a listed property near Steyne Gardens will take longer. We spend time on the external elevations, key internal rooms and problem junctions rather than rushing through the scan. The analysis and report follow after the visit.
Yes, thermal imaging can help identify damp patterns, especially when moisture cools the surface of a wall, ceiling or floor. In Worthing, that can matter in seafront properties, older homes with solid walls and flats where ventilation is poor around bathrooms or kitchens. It does not replace a moisture meter or a full building survey, but it can show where to look first. We always explain whether the image suggests a leak, condensation or a cold surface that is collecting moisture.
Please keep the heating on for at least 2 hours before the survey and give us access to the main rooms, loft hatch and any areas you want checked. It also helps to close windows and doors shortly before we arrive, so the temperature inside settles properly. In Worthing flats and terraces, that preparation makes the difference between a clear image and a blurred one. We will explain any extra access needs when the booking is confirmed.
No, it answers a different question. A thermal survey shows where the heat is going and where surface temperature patterns suggest hidden defects, while a RICS Level 2 or Level 3 survey looks at condition, movement, roofing, damp, timber and visible defects in more depth. For older Worthing homes in Broadwater, Heene or the conservation areas, many buyers use both because each survey adds a different layer of detail. If you need structural judgement as well as energy insight, our surveyors can point you towards the right follow-up.
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Starting from £300, a thermal imaging survey gives Worthing owners a clear read on heat loss without a heavy call-out fee. homedata.co.uk records show the local market sat at £302,000 on average in March 2026, with semi-detached homes at £416,000, terraced homes at £331,000 and flats at £183,000, so the survey cost sits well below the value of even a modest flat near the town centre. The same records show 1.4k sales in the last 12 months, down 16.5% compared with the previous period, which makes it sensible to check the energy condition before you commit to work or a purchase. A thermal scan is a small outlay for a lot of building insight.
The fee covers external and internal infrared scans where access allows, image analysis and an annotated report that explains what each cold patch or warm spot means. We look at roofs, walls, floors, windows, doors and junctions, then set the findings out in plain English so you can see which issues are likely to be insulation loss, which are air leakage and which need another specialist. Worthing properties in Goring, Heene and Broadwater often benefit most when the scan is paired with a sensible list of upgrades rather than broad guesses. That gives owners a practical route to lower bills and better comfort.
Accurate results depend on the weather and the building temperature. October to March is the strongest period, and the survey works best when the inside and outside temperatures differ by at least 10C and the heating has already been running for 2 hours. For a home at Lindfield Place, Elizabeth Square or a period house in Steyne Gardens, those conditions help us separate normal surface variation from genuine heat loss. The survey usually takes 1-2 hours, then we review the images and return a report that turns the coloured map into clear next steps.
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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.