Hertfordshire · London and the South East
Thermal imaging roof survey in Langley Bottom, Hertfordshire
Thermal roof surveys across Langley Bottom, with over 20 years’ experience behind it. Every survey ends with a written report and photos.
- Damp patches with no obvious cause
- Cold spots on ceilings under the roof
- Damp around chimneys and parapets
Flying and imaging in Langley Bottom
Historic houses such as Knebworth House, about 1.8 miles south-east, show how far back building in the area around Langley Bottom goes. Older homes in the wider area frequently have features worth a closer look, such as lead valleys, tall stacks and roofs that have been patched over the years, and the council can say whether a home is in a conservation area. Langley Bottom is about 2 miles from the edge of the flight restriction zone around Luton Airport. Where the drone is part of the survey, we check the exact boundary for the address before flying.
Langley Bottom is about 3 miles west of Stevenage, in Hertfordshire. In Langley Bottom, as across Hertfordshire, every roof gets the same careful survey. Across Hertfordshire, we cover Langley Bottom and the places around it. Milton Keynes is in our area too.
Every address in SG4 is covered for thermal roof surveys. Neighbouring places we cover for thermal roof surveys include Rush Green (1 mile north), Langley (1 mile south-east), St Paul's Walden (1 mile south-west), Old Knebworth (2 miles south-east) and Driver's End (2 miles south). Larger places within reach include Hemel Hempstead (14 miles south-west), Stevenage (3 miles east), St Albans (11 miles south), Welwyn Garden City (7 miles south), Harpenden (7 miles south-west) and Hitchin (4 miles north).
Landmarks near Langley Bottom
Around Langley Bottom, our work takes us to homes and buildings near Concerts at Knebworth House and Farmers Boy Public House, among other places. The closest station to Langley Bottom is Stevenage station, about 1.5 miles east of the centre. Nearby you will also find Lister Hospital (2.4 miles north-east) and Wymondley Castle (3.3 miles north). Open spaces near Langley Bottom include Ridlins Mire.
Thermal roof survey in Langley Bottom
Thermal imaging can also show where a roof is losing heat. Missing or slipped insulation and gaps at the eaves often show up as temperature differences. It works best when the building is heated and it is colder outside. The report shows the images and explains what they may mean. It is not an energy rating or a heat loss calculation. We survey ceilings below the roof, pitched roof slopes and loft conversions, and the problems we are asked to look at most are ceilings that feel colder in places and water getting in at parapets and stacks.
Some older homes in villages like Langley Bottom are listed or in a conservation area. A look from the air or with a thermal camera doesn’t touch the roof, which suits a building where any change needs care. Changes that affect a listed building’s special interest need listed building consent, so check with the council first.
We keep jargon out of it: where something needs attention, it says so plainly, and where it can wait, that is said too.
- Place
- Langley Bottom (SG4)
- Region
- Hertfordshire
- Prices
- From £400 inc. VAT
- Your report
- Written, with photos, emailed to you
- Survey days
- Monday to Sunday, daytime
- Cover
- Professional indemnity and public liability
- Telephone
- 07833 053749
- Page updated
- 27 October 2026
Towns and villages near Langley Bottom
What else we do in Langley Bottom
FAQs for Langley Bottom
Do you cover smaller places like Langley Bottom?
Yes. Langley Bottom is within the area we cover, which takes in towns, villages and rural addresses. We cover the whole of London and South East England. Let us know about access, parking and anything unusual about getting there when you book.
Does a conservation area affect roof work in Langley Bottom?
You can check whether a building is listed on Historic England’s list, and your council can tell you if it’s in a conservation area. If a home is listed, changes that affect its special interest need listed building consent, and in a conservation area re-roofing in different materials may need permission.
How fast do I get the report?
It depends on the package: Basic within 48 hours, Standard in 24–48 hours and Premium the same day. Reports are sent by email.
Do you take photos of the roof?
Yes. The report includes photographs of what we found, so you can see exactly what each finding refers to.
Can a thermal camera see water?
Thermal imaging shows temperature rather than water. Wet insulation holds heat longer than dry, so it can stand out, and moisture readings are used to check it.
Can you inspect my roof with a drone?
Yes, where it’s applicable. Whether we can fly on the day depends on the weather and the airspace rules, including flight restriction zones near airports. We hold a CAA Flyer ID and Operator ID.
Do you survey on Saturdays and Sundays?
Surveys can be booked for any day of the week: weekdays, Saturdays and Sundays. Let us know which days suit you when you book.
Before and after the survey
A survey works best with a little help from you, before and after. Tips:
- Make sure the loft can be reached safely
- Talk to us about the weather when booking
- Use the report as a baseline for later checks
- Don’t switch the heating off ahead of the visit
If you’re buying, the report gives you specific points to raise with the seller or agent. What you do with it is up to you, whether you ask for work before completion or discuss the price.
Have small defects in the covering fixed early. Water that gets under a covering can spread a long way before it shows.
What affects the price in Langley Bottom
Not every roof costs the same to survey, and it comes down to:
- Roof area
- How many separate roofs there are, such as extensions, dormers and garages
- Building height and the viewpoints available
- How complicated the roof is, with its valleys, chimneys and parapets
There are three survey packages: the Basic Survey from £150, the Standard Survey from £250 and the Premium Survey from £400, with VAT included. What your roof costs depends on its size, access and what you want to find out.
Getting in touch
The more you tell us, the easier it is to price the survey. When you contact us, let us know:
- Where water is showing inside, if it is
- Where the property is, with the postcode
- The reason for the survey, such as buying, a leak or storm damage
- The style of property, from a terrace to a block
A quick phone call is normally the easiest start: call 07833 053749 or send us an email and we will ask a few questions about the roof. The price is agreed before a date is set.
Signs you need a thermal roof survey in Langley Bottom
After a long-running leak, insulation under a flat roof can stay wet. Knowing how much of the roof is affected helps decide between a local repair and more. Thermal images and moisture readings together can show the likely extent.
A survey makes sense if you’ve noticed:
- Thin or uneven insulation in the roof
- Cold spots on ceilings under the roof
- Heat escaping through the roof
- Water that travels before it shows
If you look after a building like The Thomas Alleyne School, big roofs are where photos from the air and thermal images show the most at once.
Before you book any roof surveyor
- Whether the loft is part of the inspection
- Whether the price includes VAT
- Are they insured for the work?
- Whether you can ask questions once you have the report
Roof by roof
Parapets, valleys and junctions
When valley or parapet gutters overflow, water can get into walls and ceilings. We use the camera and moisture readings to help follow it.
Loft insulation
Loft insulation is easily disturbed when people store things or run cables. Thermal images can show where it has been pushed aside.
Can I check my roof myself?
A lot can be seen from the ground. With binoculars, look for slipped or missing slates and tiles, gaps along the ridge and leaning chimneys. Please do not climb up for a closer look.
After strong wind, take a look from the pavement or garden: pieces of tile or slate on the ground, a gap in the ridge or a lifted flashing are all worth noting. Do not go up yourself.
How it works
Every visit follows the same pattern: we hear what you’ve seen, look at the roof from every safe viewpoint, photograph what we find and make notes for the report. Most visits take about one to two hours for most houses, and more on a big or complicated roof. In a hamlet or village like Langley Bottom, a postcode doesn’t always lead to the right gate, so a few directions, or a note of a nearby landmark, help us arrive on time. The visit itself is the same as anywhere else.
- We start with the roof, its history and any signs of damp or heat loss.
- We check the conditions and note how they may affect the images.
- We inspect the roof and take thermal images during the same visit.
- We back up the thermal patterns with moisture readings.
- You get the report the same day, with an in-person consultation to follow.
Before the survey
- If you’re buying, check with the agent that we can get in
- Clear the way to the loft hatch
- For flats, check roof access has been agreed
Arrange a survey
Booking is simple: just ring 07833 053749 or drop us an email and give us a few details about the property and we’ll explain which survey suits. The price is agreed up front.