Hertfordshire · London and the South East
Thermal imaging roof survey in Woolmer Green, Hertfordshire
Thermal imaging to find moisture and heat loss patterns in a roof in Woolmer Green, carried out by an experienced roof surveyor. Every survey comes with a written report and photos.
- Gaps in loft insulation
- Areas of a flat roof that may hold water
- Wet areas near outlets and upstands
What this survey can’t tell you
A survey is a close look at the roof, but it can’t do everything. The main limits are:
- Whether the deck or roof structure is strong enough
- The condition of timbers we can’t see
- Reliable images in rain, strong wind or on a wet roof surface
If you’re not sure which survey you need, ring 07833 053749 or email us and we’ll give you a straight answer. What our survey covers.
Roof types and parts we check
- Commercial roofs
- Pitched roof slopes
- Ceilings below the roof
- Loft conversions
- Insulated roof spaces
- Flat roofs
Thermal roof surveys for homes and businesses in Woolmer Green
Our Premium Survey, from £400, brings together a full roof inspection and thermal imaging. You also get a drone inspection where it applies, structural analysis and a report on the same day. There’s an in-person consultation as well, plus a follow-up 12 months later. To book, just phone 07833 053749 or use the contact form with the address and what you’ve noticed. For big commercial roofs, we quote on size and access. We survey commercial roofs, ceilings below the roof and loft conversions, and people most often book us about water getting in at parapets and stacks and wet insulation beneath the membrane.
Some older homes in villages like Woolmer Green are listed or in a conservation area. A look from above or with a thermal imager doesn’t touch the roof, which suits a building where any change needs care, before anyone decides what work it needs. Check with the council before planning any work on a listed building or one in a conservation area.
Where we cannot see part of the roof, the report says so. You will know exactly what was inspected and what wasn’t, and what we’d suggest next.
- Where
- Woolmer Green (SG3)
- Region
- Hertfordshire
- Cost
- From £400 inc. VAT
- Reports
- Written, with photos, emailed to you
- When we survey
- Weekdays, Saturdays and Sundays
- Cover
- PI and public liability insurance
- Phone
- 07833 053749
- Updated
- 27 October 2026
What affects the price in Woolmer Green
What a survey costs depends on the time and equipment it needs. The main factors are:
- If the survey needs thermal imaging or a drone
- Which survey package you book
- Chimneys, valleys, parapets and other details
- The roof’s overall size
Larger roofs, taller buildings and commercial roofs take longer, so the price reflects that. The price is confirmed before you book.
What to tell us when you contact us
These details help when you contact us:
- Access details, such as a loft hatch or a shared roof
- The address and postcode of the property
- Pictures from the garden or a window, if you have them
- The style of property, from a terrace to a block
Buyers should book once an offer has been accepted, so you have the findings in time to act on them before you exchange. Otherwise, simply ring 07833 053749 or drop us an email whenever suits you.
How the survey changes by roof type
GRP fibreglass roofs
Cracks in GRP can let water into the boards beneath. We look at cracks by eye and use the images to see whether there is a pattern around them.
Parapets, valleys and junctions
Parapet and valley gutters can overflow inside a building. We use the camera and moisture readings to help follow it.
FAQs for Woolmer Green
Is my home in Woolmer Green listed or in a conservation area?
Historic England’s list shows listed buildings, and the local council can tell you about conservation areas. 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.
Will you come out to Woolmer Green?
Yes, smaller places are covered as well as towns. We survey roofs across London and South East England. Just mention lanes, gates or anything else about the route as you book.
Do I have to be there for the survey?
Not necessarily. If we only need the outside, we can agree that beforehand, but the loft and any rooms with damp need someone to let us in.
Can you survey at the weekend?
Surveys run seven days a week. To arrange a date, phone 07833 053749 or send us an email.
How long will you be at the property?
It normally takes roughly 1–2 hours for most homes, plus time to check any thermal findings with moisture readings. The report follows by email.
Will thermal imaging find my leak?
It can help narrow down where water may be getting in. Patterns can suggest where trapped water has spread. It is used alongside a close inspection and moisture readings, as the camera alone cannot prove a leak.
Can you survey a shared roof?
Yes, as long as access is agreed. Roofs over flats are often shared, so whoever owns or manages the building needs to agree access. We can only inspect what we’re given access to.
Also near Woolmer Green
Also in Woolmer Green
Signs you need a thermal roof survey in Woolmer Green
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. 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 areas below the roof
- Water that travels before it shows
- Areas losing heat at the eaves and junctions
Take an older house close to Church of St Michael and All Angels: steep roofs, tall chimneys and hidden valleys can be hard to see from ground level, and that is where a view from above or with a thermal imager helps.
Before you book any roof surveyor
- Will they check the loft as well as the outside?
- Which parts of the roof they’ll actually see
- What follow-up you get after the report
- Will the report include photos?
Thermal roof surveys in Woolmer Green: local notes
About 2 miles north-west lies Knebworth House, a reminder of how long the area around Woolmer Green has been built on. Period homes nearby can have lead valleys, tall chimneys and a patchwork of past repairs, and the council can say whether a home is in a conservation area. If the drone is used for your survey, the flight is checked against the Drone Safety Map first.
If you look after a building like St Michael's Woolmer Green CofE VA Primary School, thermal images can show where wet insulation sits under a big flat roof. If you run a business near Howard Centre, a commercial roof can be photographed from above without anyone walking on it.
Woolmer Green is about 4 miles north of Welwyn Garden City, in Hertfordshire. We carry out thermal roof surveys for homes and businesses in Woolmer Green. Across Hertfordshire, we cover Woolmer Green and the places around it. We also survey roofs in London.
Here we cover the SG3 postcode area for thermal roof surveys. Whether your property is on London Road, Evergreen Close and New Court or a nearby road, we can help. If you are just outside Woolmer Green, we cover Oaklands (1 mile south-west), Datchworth (1 mile east), Knebworth (1 mile north), Bull's Green (1 mile south-east) and Burnham Green (1 mile south). Further out, we also cover Hemel Hempstead (14 miles south-west), Stevenage (4 miles north), St Albans (9 miles south-west), Bishop's Stortford (14 miles east), Welwyn Garden City (4 miles south) and Harpenden (8 miles west).
Landmarks near Woolmer Green
Locally, jobs take us to homes and businesses close to Danesbury Park and The North Star pub and the streets around them. For rail, the closest station is Knebworth station, roughly 1 mile north. Other landmarks nearby include Datchworth Museum (1 mile east) and Queen Elizabeth II Hospital (4.8 miles south). Open spaces near Woolmer Green include Mardley Heath.
Leave it or get it looked at?
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. For an older or listed building in a place like Woolmer Green, repairs may need matching materials and consent, so leaving a defect until it’s urgent leaves less time to plan.
Prices quoted always include VAT, and the report isn’t charged as an extra. Prices start from £400, including VAT. Size, height and access decide where your roof falls.
Why book us in Woolmer Green
- PI and public liability insurance
- Drone and thermal imaging surveys available
- More than 20 years surveying roofs
- Every finding written up with photos
Read our cost guide and our case studies.
What happens on the day
After the inspection, everything we found is written up as a written report with photos. As for time on site, most surveys take between one and two hours at a house, including the thermal images, and around 3–4 hours for a commercial roof. Cottages and farmhouses around Woolmer Green frequently have roofs at several levels, with lean-tos and outbuildings attached. We work round each section in turn, from the safest viewpoints, and anything we cannot see is noted.
- We go through the roof, the problem and the weather expected on the day.
- We look over the roof from wherever it’s safe.
- Thermal images are taken across the roof and, where there is safe access, in the loft.
- We take moisture readings where the images suggest a problem.
- Each image is set beside a normal photo and explained in the report.
Before the survey
- Move anything stored under the loft hatch
- Have any paperwork from past roof work to hand
- Check pets are kept safely away
How to book
To get a price for thermal roof surveys in Woolmer Green, ring 07833 053749 or drop us an email. The address, the type of property and what you’d like to know help us price the survey accurately.