Kent · London and the South East
Yopps Green Electronic Leak Detection
Know where you stand with the flat roof membrane before you decide what to do next. Electronic leak detection in Yopps Green.
- Waterproofing to test before it’s covered
- Gaps at membrane joints
- Leaks that return after repairs
What we cannot see
Our findings are based on what we can see safely on the day, so there are some things a survey cannot cover:
- Leaks from walls, copings or rooflights
- The extent of water in the insulation
- Areas we can’t reach or that cannot be tested
If in doubt, ring 07833 053749 or email us and we’ll point you to the right survey before you book. What a survey covers and doesn’t.
Roofs we survey in Yopps Green
- Commercial flat roofs
- Single-ply roofs
- Flat roof membranes
- Liquid-applied waterproofing
- Roof terraces and balconies
- Green roofs
Electronic leak detection for homes and businesses in Yopps Green
There are different ELD methods. Low-voltage testing is usually done with the surface wet and high-voltage methods need the membrane dry and exposed. Which one suits depends on the membrane and the layers of the roof, and we’ll explain our choice. We will say if your roof does not suit either method before any testing starts. We survey roof terraces and balconies, green roofs and single-ply roofs, and people most often book us about waterproofing to test before it’s covered and leaks under green or ballasted roofs.
Somewhere as small as Yopps Green, flat roofs tend to be on extensions, garages and converted outbuildings. The checks are the same as anywhere: the covering, the edges, the upstands and where water drains away. We simply plan the journey and access beforehand. Garages and outbuildings are easy to forget, so mention any you want included as you book.
Where we cannot see part of the flat roof membrane, the report says so. You will know exactly what was inspected and what wasn’t, and what we’d suggest next.
- Place
- Yopps Green (TN15)
- Region
- Kent
- Cost
- Quoted for your roof
- Reports
- Written, with photos, emailed to you
- Appointments
- Weekdays and weekends
- Insurance
- PI and public liability insurance
- Call
- 07833 053749
- Last updated
- 27 October 2026
Can I check my roof myself?
Keep a simple record: when leaks happen, ground-level photos and any past roof work. Send it with your enquiry.
Fresh stains on ceilings or walls after rain are worth noting. Photograph them and note the date.
Roof by roof
Bituminous membranes
ELD is frequently possible on bituminous membranes though the layers below matter.
Green and ballasted roofs
ELD is easier on a new roof before it’s covered.
Yopps Green: your questions answered
Is Yopps Green within the area you cover?
Yes, smaller places are covered as well as towns. We cover the whole of London and South East England. Just mention lanes, gates or anything else about the route when booking.
Is my home in Yopps Green listed or in a conservation area?
Your council is the best source, with Historic England’s list for listed buildings. A change of roofing material may need consent in either case, and councils can also use Article 4 directions.
What’s in the survey report?
It explains what we saw, what it means and what we’d suggest, backed by photos. It also says if any part of the roof couldn’t be seen safely.
Does the weather affect the survey?
It can, depending on the survey. Drone flights need calm, dry weather, and thermal imaging works best with a dry roof, little wind and a sunny day beforehand. We will rearrange with you if the weather is not right.
Do I need to be at home?
It depends on what we need to see. For inside areas and the loft space, someone has to give us access, while outside access can be discussed as you book.
How quickly is the report sent?
Each package has its own report time. Basic: within 48 hours. Standard: 24 to 48 hours. Premium: the same day. If you have a deadline, like an exchange date, tell us as you book.
How do I book a survey in Yopps Green?
The quickest way is to ring 07833 053749 or use the contact form. Tell us the address and a little about the roof, and we will take it from there. We survey on any day of the week.
What we’re asked to look at in Yopps Green
On a flat roof, water spreads under the waterproofing. The stain inside can be far from the hole, so tracing it by eye is difficult.
Problems we come across often include:
- Holes around roof penetrations
- A flat roof leak that can’t be traced
- Leaks showing away from the breach
- Breaches hidden under paving or planting
The streets around a church such as Plaxtol Church are often among the oldest in a place, and if yours is one of the older homes nearby, the flat roofs on later extensions tend to wear out long before the main roof.
Choosing a roof surveyor
- Do they have a CAA Flyer ID and Operator ID for drone work?
- Whether the price includes VAT
- How they plan to inspect the roof safely
- Will they check the loft as well as the outside?
Tips that help
A few practical points come up again and again on our surveys. They apply to most roofs:
- Do not leave water getting in
- Don’t let outlets block
- Do not keep patching the same spot
- Limit access to the roof
Keep the report with the roof’s records. It shows the condition of the membrane on that date.
Clear flat roof outlets regularly. Water that sits on the roof finds breaches faster.
How the survey works
The visit has one job: to see as much of the flat roof membrane as can be seen safely and record it clearly. Everything we note and photograph goes into the written report. It typically takes as long as needed for the roof’s area and construction, which we set out in the quote. Rural addresses near Yopps Green can be hard to find from a postcode alone, 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 ask about the roof, its age, its membrane and where leaks appear inside.
- We confirm whether the roof is suitable for electronic testing.
- We pick the low-voltage or high-voltage method that suits the roof.
- Testing runs across the roof to locate breaches in the membrane.
- We send a report with photos of each breach so your roofer can repair it.
Preparing for the visit
- Tell us where we can park nearby
- Note where any stains or damp appear
- Clear the way to the loft hatch
Getting a price
We survey roofs on weekdays and at weekends. To find a date that works for you, call 07833 053749 or email us.
Related advice
What electronic leak detection looks like in Yopps Green
Handmade clay tiles, including Kent peg tiles hung on pegs through two holes, are typical of older Kent buildings. Oast houses and timber-framed Wealden hall houses are part of the county’s older buildings too. Alongside them, flat-roofed extensions, dormers, garages and commercial units are common almost everywhere. Old Soar Manor, about 1.1 miles east, is one of the historic houses in the wider area around Yopps Green. Period homes nearby can have lead valleys, tall chimneys and a patchwork of past repairs.
If you own a rental within reach of Borough Green & Wrotham station, the flat roof over a let home is worth a look before it becomes a tenant complaint. Anyone responsible for a site like Plaxtol Primary School will know that a large flat roof with a good many outlets and rooflights has many places where a membrane can fail.
Yopps Green is about 5 miles north of Tonbridge, in Kent. Surveys in Yopps Green work the same way as everywhere we cover: a careful look at whatever is safely visible, photographs and a clear written report. Across Kent, we cover Yopps Green and the places around it. There is also a page for Maidstone.
Surveys in TN15 work the same way as everywhere else we cover. If you need electronic leak detection at a property on Sheet Hill and Yopps Green or a nearby road, we can survey it. Other places close to Yopps Green include Sheet Hill (1 mile north-west), Ivy Hatch (1 mile west), Ightham (1 mile north-west), Shipbourne (1 mile south) and Oldbury (2 miles north-west). Larger places within reach include Maidstone (10 miles east), Dartford (13 miles north), Sevenoaks (5 miles west), Royal Tunbridge Wells (9 miles south), Gravesend (12 miles north) and Tonbridge (5 miles south).
Local landmarks in Yopps Green
Locally, jobs take us to homes and businesses close to Ivy Hatch Nature Reserve, Wrotham School and The Plough Public House and the streets around them. The closest station to Yopps Green is Borough Green & Wrotham station, about 2 miles north of the centre. Well-known places in the area include Ightham Court (2.1 miles north) and Sevenoaks Hospital (4.6 miles west).