Hertfordshire · London and the South East
Thermal Roof Survey in Great Offley
An experienced roof surveyor for thermal roof surveys in Great Offley. Over 5,000 surveys and 20+ years behind us.
- Areas losing heat at the eaves and junctions
- Possible trapped moisture under a flat roof covering
- Damp patches with no obvious cause
How a thermal roof survey works in Great Offley
A thermal camera can help when the cause of damp isn’t obvious. Leaks often run along a roof before they appear on a ceiling, and the camera can show patterns that help us follow it. We combine the images with a visual inspection and moisture readings, so no conclusion rests on one method alone. We survey insulated roof spaces, flat roofs and ceilings below the roof, and common reasons people get in touch are leaks far from where the stain appears and cold areas below the roof.
In a village or hamlet like Great Offley, 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 the ground. Both the forecast and the airspace are checked first, and the journey is planned ahead of time. Older roofs with steep slopes and tall chimneys are where the extra view helps most.
Findings are set out part by part, from the main slopes down to the gutters and outlets, each with a short note and a photograph. You’ll see the good as well as the bad.

- Place
- Great Offley (SG5)
- Region
- Hertfordshire
- Prices
- From £400 inc. VAT
- Report
- Written, with photos, emailed to you
- Survey days
- Weekdays and weekends
- Insured
- PI and public liability insurance
- Call
- 07833 053749
- Page updated
- 27 October 2026
Common questions in Great Offley
Is drone flying allowed in Great Offley?
It depends on the exact address and the weather on the day. Great Offley is about 2 miles from the edge of the flight restriction zone around Luton Airport. The exact boundary is checked for each address before any flight, and a roof inside it needs permission before we fly. The flight also waits for calm, dry weather, and the rest of the survey does not depend on the drone.
Is Great Offley within the area you cover?
Yes, we do. We cover the whole of London and South East England, and smaller places are part of that. Longer journeys are simply planned in advance.
What does a thermal roof survey show?
The images show how warm or cool each part of the surface is. Unusual patterns can point to trapped water, gaps in insulation or heat escaping, which we then check with moisture readings.
Can a thermal survey trace a roof leak?
It can help narrow down where water may be getting in. Water can travel under a covering before it shows inside, and temperature patterns can help follow it. We combine it with a visual inspection and moisture readings, as the camera alone cannot prove a leak.
Will you walk on the roof?
Not unless it is safe. Safe viewpoints, the loft space and a drone where it applies cover most of what’s needed, and anything out of sight is recorded in the report.
Will I get photos?
Yes. Photographs are part of every report, so you can see each point for yourself.
What conditions are best for thermal imaging?
Conditions on the day have a big effect on what the camera can show. A dry surface, little wind and a sunny spell beforehand help most. We record the conditions in the report, so you know how much weight to give the images.
What happens on the day
After the inspection, everything we found is written up in a report with photos, sent to you by email. On timing, most surveys take roughly 1–2 hours at a house, including the thermal images, and around 3–4 hours for a commercial roof. Older roofs in small places like Great Offley can have low, tight loft spaces, so tell us about the loft hatch and any ladder. We only go where it’s safe.
- We go through the roof, the problem and the weather expected on the day.
- We look over the roof from wherever it is safe.
- We take thermal images of the roof and of the loft where we can reach it.
- Patterns that stand out are checked with moisture readings.
- Each image is set beside a normal photo and explained in the report.
Before we arrive
- Dig out any old roof reports or invoices
- If you are buying, check with the agent that we can get in
- Move anything stored under the loft hatch
Booking a survey
Getting a price is simple: just ring 07833 053749 or email us and give us a few details about the property and we’ll suggest the right survey. We confirm the price before anything is booked.
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What this survey cannot tell you
Some things can’t be seen without opening up the roof, so a survey has limits:
- What’s inside walls or under coverings, without opening up
- A formal energy assessment
- Confirming water without moisture readings
Not sure which survey suits your roof? You can call 07833 053749 or email us and we’ll tell you before booking. What a survey covers and doesn’t.
Roof types and parts we check
- Loft conversions
- Commercial roofs
- Insulated roof spaces
- Flat roofs
- Pitched roof slopes
- Ceilings below the roof
Common roof problems in Great Offley
After a long-running leak, insulation under a flat roof can stay wet. Owners want to know how far it has spread before deciding what to do. A thermal survey, checked with moisture readings, can give a much clearer picture.
Typical things we are asked to look at include:
- Areas of a flat roof that may hold water
- Stains that keep coming back
- Leaks far from where the stain appears
- Heat escaping through the roof
For an older house near a landmark like Church of St Mary Magdalene, steep roofs, tall chimneys and hidden valleys can be hard to see from ground level, and that is where a view by drone or thermal camera helps.
Before you book any roof surveyor
- If they fly a drone, whether they hold a CAA Flyer ID and Operator ID
- What the survey won’t cover
- Are they insured for the work?
- Whether the inside of the roof is included
What a thermal roof survey looks like in Great Offley
In this part of the South East, older roofs are mostly slate or clay tile and many newer ones concrete tile, with flat-roofed extensions, dormers and garages common everywhere. Where a roof is steep, tall or hard to see from the ground, drone photos and thermal images add detail. The flight restriction zone around Luton Airport comes within about 2 miles of Great Offley. Where the drone is part of the survey, we check the exact boundary for the address before flying.
If you look after a building such as Offley Endowed Primary School, a drone or thermal camera can show a large roof in a single visit.
Great Offley is about 3 miles south-west of Hitchin, in Hertfordshire. We provide thermal roof surveys for homeowners, landlords and businesses in Great Offley. Across Hertfordshire, we cover Great Offley and the places around it. You can also see our page for Milton Keynes.
All of SG5 is covered for thermal roof surveys. Whether your property is on High Street, Garden Fields and John Hall Court or a nearby road, we can survey it. Other places close to Great Offley include The Flints (1 mile west), Temple End (2 miles east), Ley Green (2 miles south-east) and Pegsdon (2 miles north-west). Larger places within reach include Hemel Hempstead (13 miles south-west), Stevenage (7 miles east), St Albans (12 miles south), Welwyn Garden City (11 miles south-east), Harpenden (8 miles south) and Hitchin (3 miles north-east).
Landmarks near Great Offley
In Great Offley, that means homes and buildings near The Bull Public House and the streets around them. Great Offley’s nearest station is Hitchin station, about 3.7 miles north-east. Other landmarks nearby include Ravensburgh Castle (3.1 miles north-west) and Keech Hospice Care (4.2 miles west). The countryside around Great Offley includes Pegsdon Hills and Markham's Hill.
Leave it or get it looked at?
Once insulation under a membrane is wet, it tends to stay wet. Over time, it insulates less well and can harm the deck. Finding the wet areas sooner keeps the work smaller. For older village homes like those around Great Offley, the right replacement materials are not always easy to find quickly. Spotting a problem early leaves room to find them.
All our prices include VAT. Prices start from £400, including VAT. You’ll know the exact price before booking.
Why choose Independent Roof Survey in Great Offley
- Customer satisfaction of 98%
- A sub-250g drone, flown with a CAA Flyer ID and Operator ID
- Plain-English reports with photos
- 5,000+ surveys completed
Take a look at what a roof survey costs or what we found on two real jobs.
Prices for thermal roof surveys in Great Offley
Every roof is different, so prices are confirmed before you book. This is what makes a difference:
- Extensions, dormers and garages with roofs of their own
- Any need for thermal images or a drone flight
- The package you choose: Basic, Standard or Premium
- The shape of the roof and its details
Thermal roof survey starts from £400, including VAT. Packages run from Basic at £150 through Standard at £250 to Premium at £400, with VAT included, and we’ll tell you which fits.
Helping us price your survey
Here’s what helps us most when you get in touch:
- Your postcode, so we can check access and travel
- Access details, such as a loft hatch or a shared roof
- What kind of property and roof it is
- Dates you’re working to, such as exchange
Every survey is priced before it’s booked, so you know the cost up front. Thermal roof survey starts from £400, including VAT. For a price for your roof, phone 07833 053749 or email us.
How the survey changes by roof type
Single-ply and EPDM roofs
Single-ply PVC, TPO and EPDM roofs are often laid over insulation boards. Wet boards can show as temperature differences on the images.
Felt and asphalt flat roofs
Felt and asphalt roofs frequently show wet areas as patches that differ from the rest. Moisture readings are used to check them.