Hertfordshire · London and the South East
Electronic Leak Detection in Cholesbury
A careful look at the flat roof membrane at your property in Cholesbury, and put it all in a report with photos.
- Leaks showing away from the breach
- Leaks under green or ballasted roofs
- Breaches around outlets and penetrations
Tips that help
Nothing here needs a ladder. Our suggestions:
- Get leaks traced quickly
- Share any drawings of the roof
- Test new membranes before covering them
- Record dates and spots where water appears
If water has been getting in, insulation under the membrane may be wet. That’s something to discuss with your roofer and other checks can help judge it.
ELD before paving, ballast or planting goes on is worth considering. Finding breaches is simpler at that stage.
Electronic leak detection in Cholesbury
Not every flat roof suits electronic testing. Certain membranes conduct electricity and some roofs do not have a suitable layer beneath the membrane. If your roof is not suitable, we will tell you before any testing. Any details you have about the membrane and build-up help us decide, including drawings, specifications or the roofer’s paperwork. It avoids arranging a test that can’t give results. If you’ve noticed damp inside with no sign on the roof and holes left by work on the roof, we can find out what’s behind it.
In a small place like Cholesbury, a flat roof can stand in the open, which is hard on edges, upstands and joins in the covering. Older felt roofs, frequently around 15–20 years in life, show it first. Rubber and GRP last longer, though trims and joints still need a look. On an exposed roof, the edges tend to go first.
Where we cannot see part of the flat roof membrane, the report says so. You’ll know exactly what was inspected and what wasn’t, and what we’d suggest next.

- Where
- Cholesbury (HP23)
- Wider area
- Hertfordshire
- Price
- Quoted for your roof
- Report
- A written report with photos, by email
- Survey days
- Weekdays, Saturdays and Sundays
- Insurance
- Professional indemnity and public liability
- Call
- 07833 053749
- Last updated
- 27 October 2026
Towns and villages near Cholesbury
What else we do in Cholesbury
What this survey can’t tell you
Our survey isn’t a RICS Level 2 or Level 3 survey, a structural engineer’s report or an asbestos survey. Other limits to bear in mind:
- Moisture spread under the membrane
- Build-ups without a suitable layer below
- Sections we cannot safely access
If in doubt, call 07833 053749 or email us and we’ll suggest the right survey. What a survey covers and does not.
What this survey covers
- Roof terraces and balconies
- Single-ply roofs
- Green roofs
- Commercial flat roofs
- Liquid-applied waterproofing
- Flat roof membranes
Questions from Cholesbury
Is Cholesbury in the area you cover?
Yes, Cholesbury is one of the places we work. The survey and report are the same in Cholesbury as anywhere else.
Will you come out to Cholesbury?
Yes, smaller places are covered as well as towns. We work right across London and South East England. Just mention lanes, gates or anything else about the route as you book.
Does the weather affect the survey?
It depends on the weather and the survey. In strong wind or a downpour, a drone cannot fly and access may not be safe, and we’d agree another day.
Do you use low-voltage or high-voltage testing?
It depends on the membrane and the build-up. Low-voltage testing usually needs a wet surface, while high-voltage testing needs a dry, exposed membrane.
Is my roof suitable for ELD?
It depends on the membrane and the build-up. Tell us what you know about the roof and we will check whether ELD will work.
Can you tell me if my roof has asbestos?
No. We don’t carry out asbestos surveys or testing. We flag materials that could contain asbestos, such as cement sheets or soffits on pre-2000 buildings.
Can you survey a shared roof?
Yes, if the building owner or managing agent agrees access. We look at the parts we are given access to.
How it works
Expect us to ask a few questions before we start, like when any problem began and what work has been done before. The inspection then takes a length of time set by the roof’s area and construction, which we’ll explain when we quote. For a village or hamlet like Cholesbury, the journey is planned in advance: let us know about lanes, gates and parking. On the day, we inspect everything that’s safely in view, inside and out.
- First, we confirm which roof areas are included.
- The surface is prepared for the chosen method.
- We work across the roof with the test equipment.
- Each breach found is located and recorded.
- You receive the results to pass to your roofer.
Getting ready for the survey
- Dig out any old roof reports or invoices
- Have any questions written down, so nothing gets missed
- If you are buying, let the agent know when we are coming
How to book
Booking is simple: just phone 07833 053749 or send us an email and give us some details about the property and we’ll explain which survey suits. We confirm the price before anything is booked.
Read more
Flat and commercial roofs around Cholesbury
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. Flat roofs on extensions, dormers, garages and business units are found alongside them almost everywhere. The wider area around Cholesbury has a long history of building, with Cholesbury Manor House about 0.1 miles west. 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 a listed home or one in a conservation area may need consent for changes of material.
Anyone responsible for a site like Hawridge and Cholesbury Church of England School will know that ponding and blocked outlets on a wide flat roof are worth catching before the next wet season. If your home is one of the older ones in the streets near Church of St Lawrence, flat-roofed rear additions and dormers added over the years are worth checking.
Cholesbury is about 3 miles west of Berkhamsted, in Hertfordshire. Wherever you are in Cholesbury, we can come and survey your property, on a weekday, Saturday or Sunday. Cholesbury is one of the towns and villages in Hertfordshire where we work. Milton Keynes is in our area too.
Postcode districts we cover here for electronic leak detection: HP23. You will find streets like Cholesbury Lane and Cholesbury Road, all of which we cover. Other places close to Cholesbury include Buckland Common (1 mile west), Hawridge (1 mile east), St Leonards (1 mile west), Bellingdon (1 mile south-east) and Heath End (1 mile east). Within a short drive, we also cover Watford (13 miles south-east), Hemel Hempstead (8 miles east), St Albans (14 miles east), Harpenden (14 miles east), Berkhamsted (3 miles east) and Bushey (15 miles south-east).
Local landmarks in Cholesbury
Locally, jobs take us to homes and businesses close to Full Moon Public House. The nearest railway station is Tring station, roughly 3.4 miles north of the centre. Well-known places in the area include Trenchard Museum (3.3 miles north-west) and Chiltern Hospital (4.8 miles south). Not far away are Pavis Wood and Dancersend.
Common roof problems in Cholesbury
A breach can be left during installation. Testing before the roof is covered or handed over helps find them.
These are some of the problems a survey can pick up:
- Holes around roof penetrations
- Leaking laps in the waterproofing
- A flat roof leak that cannot be traced
- New membranes needing a check before handover
If you let a flat or house near Tring station, flat roofs over rear additions and dormers in rented property are worth checking between tenancies.
Before you book any roof surveyor
- Their track record with similar roofs
- Whether you can ask questions once you have the report
- Whether the loft is part of the inspection
- Which limits apply to the survey
Leave it or get it looked at?
Water trapped under a membrane can soak insulation and decking. Locating it early helps limit the damage. In a place like Cholesbury, a barn or garage roof left to fail puts whatever is inside at risk. It is worth including them in a survey before a winter does the damage.
Larger roofs, taller buildings and commercial roofs take longer, so the price reflects that. You’ll know the figure before booking.
What you get with us
- A sub-250g drone, flown with a CAA Flyer ID and Operator ID
- Customer satisfaction of 98%
- An independent look at the roof
- More than 5,000 surveys completed
Read what a roof survey costs and what we found on two real jobs.
What you can safely check yourself
You can learn a lot from the ground. Binoculars help you spot slipped slates or tiles, gaps along the ridge and a leaning stack. Never climb onto the roof to look.
During heavy rain, look at the gutters from ground level or a window. Overflowing water can be a sign of a blockage or a gutter that has dropped.