Hertfordshire · London and the South East
Thermal imaging roof survey in Cold Christmas, Hertfordshire
Get a clear view of the roof at a property in Cold Christmas. We visit on weekdays and at weekends.
- Missing or slipped insulation
- Cold spots on ceilings under the roof
- Damp patches with no obvious cause
Thermal roof survey in Cold Christmas: what you get
Flat roofs over extensions, garages, flats and commercial buildings are where thermal imaging often helps most. It can show patterns that point to trapped moisture under the membrane. On pitched roofs, slates and tiles over a ventilated space can hide what’s below, so we combine the camera with an inspection from the loft where there is safe access. We survey insulated roof spaces, ceilings below the roof and loft conversions, and common reasons people get in touch are stains that keep coming back and leaks far from where the stain appears.
In a village or hamlet like Cold Christmas, roofs can be steep, old and hard to see from the lane. A drone and a thermal camera each give a view you can’t get from ground level. Both the forecast and the airspace are checked first, and the journey is planned in advance. Older roofs with steep slopes and tall chimneys are where the extra view helps most.
We keep jargon out of it: if work is needed, the report says so clearly, along with how urgent it is.

- Place
- Cold Christmas (SG12)
- Region
- Hertfordshire
- Price
- From £400 inc. VAT
- Report
- Written, with photos, emailed to you
- Appointments
- Weekdays, Saturdays and Sundays
- Insured
- Professional indemnity and public liability
- Call
- 07833 053749
- Page updated
- 27 October 2026
How it works
It’s useful to start with what’s prompted the survey: a purchase, a leak, a storm, new work or simply peace of mind. That way we can focus on what matters to you. The visit typically takes an hour or two for a house, rising to roughly 3–4 hours on a commercial building. Somewhere like Cold Christmas needs a little journey planning: tell us about narrow lanes, gates, long drives and where we can park. On the day, we inspect whatever is safely visible, inside and out.
- We start by discussing the roof, any signs of damp and how the weather may affect the images.
- We check the roof from ground level, from windows and from the roof itself where it is safe.
- A thermal camera records how the surface temperature varies across the roof.
- Areas that look unusual on the camera are checked with moisture readings where possible.
- The report sets out the images, what they suggest and what we recommend.
Preparing for the visit
- Move anything stored under the loft hatch
- Let us know about parking near the property
- Agree roof access with the managing agent if it’s shared
How to book
Buyers should book once an offer has been accepted, so there’s time to use the report before exchange. Otherwise, simply ring 07833 053749 or send us an email whenever suits you.
Related advice
Thermal roof surveys around Cold Christmas
Where the drone is part of the survey, the flight is checked against the Drone Safety Map first. The wider area around Cold Christmas has a long history of building, with Much Hadham Palace about 3.9 miles north-east. On older houses around here, roofs frequently carry the marks of earlier repairs, from replaced slates to new lead, and a listed home or one in a conservation area may need consent for changes of material.
If you live in an older home near Parish Church of St Mary, older roofs can be steep and hard to see from the street, which is where aerial photos and thermal images help.
Cold Christmas is about 2 miles north-east of Ware, in Hertfordshire. We visit Cold Christmas as part of our work across Hertfordshire, for houses, flats and commercial buildings. Our Hertfordshire coverage includes Cold Christmas. You can also see our page for Chelmsford.
Every address in SG12 is within our area for thermal roof surveys, from the main roads to the quietest streets. We also cover Wadesmill (1 mile north-west), Thundridge (1 mile west), High Cross (1 mile north-west), Babbs Green (1 mile south-east) and Wareside (2 miles south-east). Larger places within reach include Stevenage (9 miles north-west), St Albans (15 miles south-west), Bishop's Stortford (7 miles east), Welwyn Garden City (8 miles west), Harpenden (15 miles west) and Hitchin (14 miles north-west).
Around Cold Christmas
We work in homes and buildings around The Windmill Public House and The Chauncy School and the streets around them. For rail, the closest station is Ware station, about 2.1 miles south-west of the centre. Well-known places in the area include Museum of Street Lighting (2.5 miles south) and Hertford County Hospital (4.4 miles south-west). Open spaces near Cold Christmas include King's Meads.
Cold Christmas questions
Is my home in Cold Christmas listed or in a conservation area?
The council and Historic England’s list are the places to check. It’s worth checking before planning roof work, as both can affect what’s allowed.
Will you come out to Cold Christmas?
Yes, we do. We cover the whole of London and South East England, from towns to the smallest villages. Longer journeys are simply planned in advance.
Do you climb onto every roof?
Only if it’s safe. We inspect whatever is safely visible: from the ground, from windows, from inside the roof space, from the roof where it’s safe and by drone where applicable. The report says if anything couldn’t be seen.
What does a thermal roof survey show?
It records surface temperature across the roof. Differences can suggest wet areas, missing insulation or heat loss, which we then check with moisture readings.
Is it a structural engineer’s report?
No. Our survey isn’t a structural engineer’s report. If we see signs that need an engineer’s opinion, we will recommend one.
How quickly is the report sent?
Basic reports arrive within 48 hours, Standard reports in 24–48 hours and Premium reports on the same day. Each one is emailed, ready to forward.
Is this an asbestos survey?
No. We can flag materials that might contain asbestos, but only a specialist asbestos surveyor can confirm it. Buildings built or refurbished before 2000 may contain it.
Useful tips for Cold Christmas property owners
A survey works best with a little help from you, before and after. Some tips:
- Photograph damp patches with the date
- Clear a path to the loft hatch before we arrive
- Leave the roof to people with safe access
- Keep the report to compare against after any repair
If the images suggest moisture that can’t be confirmed, we will say what would help next, for example electronic leak detection or a roofer opening up a small section.
Keep an eye on ceilings under the roof for new stains. Catching a leak early stops insulation getting soaked.
What we are asked to look at in Cold Christmas
Unexplained damp is one of the main reasons people ask for thermal imaging. Water can travel under a roof covering or along timbers before it shows inside. The camera helps narrow the search.
Typical things we are asked to look at include:
- Water that travels before it shows
- Ceilings that feel colder in places
- Stains that keep coming back
- Heat escaping through the roof
For site and facilities teams at buildings such as Thundridge Church of England Primary School, a view from above covers a wide roof far faster than walking it.
Before you book any roof surveyor
- Will they check the loft as well as the outside?
- Whether the price includes VAT
- What insurance they carry
- What’s outside the scope of the survey
What we look for on each type of roof
Pitched slate and tile roofs
Even on pitched roofs, the camera can point to heat loss and some damp. The report explains what the images can tell you and what they cannot.
GRP fibreglass roofs
Cracks in GRP can let water into the boards beneath. We combine a visual check of cracks with the thermal images around them.
Why act early in Cold Christmas
Once insulation under a membrane is wet, it tends to stay wet. In time, it stops insulating properly and can damage the deck. Finding them early can mean a smaller job. Older and listed buildings around Cold Christmas may need consent and matching materials for repairs, so leaving a defect until it’s urgent leaves less time to plan.
Thermal roof survey starts from £400, including VAT. Basic starts from £150, Standard from £250 and Premium from £400, VAT included, and we can help you choose.
What you get with us
- Surveys on weekdays, Saturdays and Sundays
- A written report with photos
- More than 5,000 surveys completed
- An independent view of the roof
See our cost guide and our case studies.
DIY checks: what’s safe
If you have a loft with safe access, take a look inside. Take a torch and only step on boards or joists, and look for staining, damp timber or daylight coming through.
Watch the gutters in a downpour, from a window or the ground. Water spilling over the edge can point to a blockage or a sagging run.