Surrey · London and the South East
Electronic Leak Detection in Jacobs Well
We carry out electronic leak detection in Jacobs Well and the rest of Surrey. We survey on weekdays, Saturdays and Sundays.
- Stains far from any visible defect
- Holes left by work on the roof
- New roofs to check before paving or planting
About our electronic leak detection in Jacobs Well
ELD can be carried out in more than one way. Low-voltage methods normally need a wet roof surface and high-voltage methods need the membrane dry and exposed. The right method depends on the membrane and the build-up of the roof and we explain which we will use. We will say if your roof doesn’t suit either method at the outset. If you’ve noticed water coming in under a flat roof and gaps at membrane joints, we can find out what’s behind it, whatever the roof.
Some older homes in villages like Jacobs Well are listed or in a conservation area, and that can affect how an extension roof or dormer is re-covered. If you are planning work, check with the council first. Knowing the roof’s condition is the starting point. Listed building consent is needed for changes that affect a listed building’s special interest.
The report doesn’t just list problems. It explains what we found, why it matters and what we recommend, so you can decide what to do next.

- Location
- Jacobs Well (GU4)
- Region
- Surrey
- Price
- Quoted for your roof
- Reports
- Emailed report with photos and recommendations
- Survey days
- Weekdays, Saturdays and Sundays
- Cover
- PI and public liability insurance
- Phone
- 07833 053749
- Last updated
- 27 October 2026
The survey, step by step
Photos are taken throughout the visit, so you can see in the report what we found and where. We take close-ups from wherever is safe, including by drone where it is applicable and the weather allows. A typical visit takes as long as needed for the membrane area and the build-up, which we set out in the quote. Around Jacobs Well, older homes can have small or awkward roof spaces, so let us know about the loft hatch and any ladder. We only go where it is safe.
- We agree the area to be tested.
- The surface is prepared for the chosen method.
- Testing runs across the agreed area.
- We mark the breach locations in our records.
- You receive the results to pass to your roofer.
How to prepare
- Check we can get to the back of the property
- Point out any leaks or damp patches
- Keep pets inside or away from the areas we are looking at
Getting a price
A quick phone call is usually the easiest start: ring 07833 053749 or use the contact form, and we’ll ask about the building and what you need. You’ll have a price before anything is arranged.
Advice
What electronic leak detection looks like in Jacobs Well
The wider area around Jacobs Well has a long history of building, with Guildford Castle about 2.3 miles south. Older homes in the wider area frequently have features worth a closer look, like lead valleys, tall stacks and roofs that have been patched over the years. Older houses across Surrey often have handmade clay tiles, and many have tile-hanging. A few of Surrey’s oldest buildings have heavy Horsham stone slab roofs. Next to the main roofs there is normally a flat roof somewhere, whether on an extension, a garage or a commercial unit.
If you look after a building such as Weyfield Academy, schools and public buildings frequently have big flat roofs, and their outlets and upstands need regular checks. If you let a flat or house near Worplesdon station, flat roofs on let property tend to be checked only when they fail, which is the costly way round. For an older house near a landmark like St Peter's Church, the joins between later flat roofs and the old walls are where problems normally start.
Jacobs Well is about 1 mile north of Guildford, in Surrey. We carry out electronic leak detection in Jacobs Well for houses, flats, blocks and commercial buildings. Our Surrey coverage includes Jacobs Well and the places around it.
All of GU4 is within our area for electronic leak detection. Local streets include Douglas Close, Barnett Row and Queenhythe Crescent, and we cover them all. Other places close to Jacobs Well include Bellfields (1 mile south-west), Sutton Green (1 mile north-east), Burpham (1 mile south-east), Stoughton (1 mile south-west) and Pyle Hill (1 mile north). Within a short drive, we also cover Woking (3 miles north), Camberley (8 miles north-west), Epsom (14 miles east), Farnham (11 miles west), Ewell (15 miles north-east) and Egham (11 miles north).
Local landmarks in Jacobs Well
Locally, jobs take us to homes and businesses close to Stringer's Common, Pond Meadow School and Christ's College. Jacobs Well’s nearest station is Worplesdon station, roughly 1.5 miles north of the centre. Nearby you will also find The Peacocks (3.6 miles north) and Guildford Castle (2.3 miles south). Green spaces nearby include Silent Pool and Littlefield Common.
Common questions in Jacobs Well
How do I find out if my home in Jacobs Well is listed?
Start with Historic England’s list for listing and your council for conservation areas. Either can affect what roof work is allowed, so it’s worth checking before planning any.
Is Jacobs Well in the area you cover?
Yes, Jacobs Well is within the area we cover. We cover the whole of London and South East England. Just phone 07833 053749 or send us an email and let us know about the property, and we will talk through which survey suits.
What is electronic leak detection?
It uses an electrical current to find breaches in a flat roof membrane. A breach lets the current through so we can pinpoint it.
Will you repair the leak?
No, our part is finding the breaches. The report gives your roofer the locations.
Will you fly a drone over my roof?
Where it helps and the rules allow, yes. We hold a CAA Flyer ID and Operator ID and fly a drone under 250g, and every flight depends on the airspace and the weather.
How do I book a survey in Jacobs Well?
Simply ring 07833 053749 or email us. After a few questions, we confirm the price and fix a day, weekday or weekend.
Can you test a green or ballasted roof?
On some roofs, yes. What sits on the membrane affects the method so we check the roof first.
What affects the price in Jacobs Well
All our prices include VAT. What changes the price is:
- How complicated the roof is, with its valleys, chimneys and parapets
- How big the roof is
- How many separate roofs there are, such as extensions, dormers and garages
- If the survey needs thermal imaging or a drone
Bigger, taller and commercial roofs take more time to survey, so the price reflects that. The price is confirmed before you book.
What to tell us when you get in touch
Here’s what helps us most when you get in touch:
- When you need the report by
- Access details, such as a loft hatch or a shared roof
- What’s prompted the survey
- The address and postcode of the property
You can call us seven days a week. For a price or to book, phone 07833 053749 or email us.
Towns and villages near Jacobs Well
Other services in Jacobs Well
What happens if roof problems are left?
Some flat roof leaks come from walls or details. ELD helps rule the membrane in or out so attention can go to the right place. Around Jacobs Well, older homes often have old roof timbers, and water through a failed covering can rot timber if it’s left.
All our prices include VAT. Electronic leak detection is quoted for your roof, because the method depends on the roof. We confirm the price for the job before booking.
Why us?
- An independent look at the roof
- Two decades and more of roof surveys
- Over 5,000 surveys carried out
- Plain-English reports with photos
Take a look at our cost guide and our case studies.
For landlords and managing agents
Shared roofs need a little more planning: access has to be agreed with whoever owns or manages the building. Mention it when you contact us and we’ll plan the visit with that in mind.
For blocks of flats, a roof survey helps managing agents and residents’ management companies plan ahead. The report sets out what needs attention now and what can wait.
When you need someone else
Some things cannot be seen without opening up the roof, and that sets some limits:
- Sections we cannot safely access
- Repairing the breaches (that is for your roofer)
- Moisture spread under the membrane
If you’re not sure which survey you need, phone 07833 053749 or drop us an email and we’ll give you a straight answer. What a survey covers and doesn’t.
Roof types and parts we check
- Green roofs
- Roof terraces and balconies
- Flat roof membranes
- Commercial flat roofs
- Liquid-applied waterproofing
- Single-ply roofs
DIY checks: what’s safe
During heavy rain, look at the gutters from the ground or a window. Water spilling over the edge can be a sign of a blockage or a gutter that has dropped.
The one thing to avoid is getting up close. Slates, tiles, flat roofs and rooflights can give way. That’s where a survey comes in, using safe viewpoints and a drone where it applies.