Kent · London and the South East
Electronic Leak Detection in New Ash Green
Electronic leak detection to pinpoint holes in flat roof membranes in New Ash Green, carried out by an experienced roof surveyor. Every survey comes with a written report and photos.
- Leaks under green or ballasted roofs
- A flat roof leak that cannot be traced
- Failed seams and laps
Flat roofs in New Ash Green
About 4.3 miles east lies Cobham College, a reminder of how long the area around New Ash Green has been built on. Older homes in the wider area often have features worth a closer look, such as lead valleys, tall stacks and roofs that have been patched over the years, and the council can say whether a home is in a conservation area. Across Kent, older roofs are frequently handmade clay or peg tiles, and tile-hanging on upper walls is a familiar sight. The county’s older buildings also include oast houses and timber-framed Wealden hall houses. Flat roofs fill the gaps in between, on extensions, garages, dormers and business premises.
If you look after a building such as New Ash Green Primary School, schools and public buildings often have big flat roofs, and their outlets and upstands need regular checks. For an older house near a landmark such as Parish Church of Saint Peter and Saint Paul, flat-roofed rear additions and dormers added over the years are worth checking.
New Ash Green is about 5 miles south of Northfleet, in Kent. New Ash Green is part of the area we cover and the surrounding area as part of our work across London and the South East. Across Kent, we cover New Ash Green and the places around it. Our Maidstone page covers surveys nearby.
Surveys in DA3 and TN15 work the same way as everywhere else we cover. That includes homes and businesses on Church Road, Upper Street North and Upper Street South. Other places close to New Ash Green include Ridley (1 mile south-east), Hartley (1 mile north), New Street (2 miles south-east), Hodsoll Street (2 miles south-east) and Longfield Hill (2 miles north-east). We also work in nearby towns such as Maidstone (12 miles south-east), Dartford (6 miles north-west), Sevenoaks (8 miles south-west), Gravesend (5 miles north-east), Tonbridge (12 miles south) and Northfleet (5 miles north).
Near you in New Ash Green
We work in homes and buildings around The White Swan Public House, Longfield Academy and Rectory Meadow and the streets around them. New Ash Green’s nearest station is Longfield station, about 2.1 miles north of the centre. Other landmarks nearby include Eynsford Castle (4 miles west) and Darent Valley Hospital (5.2 miles north-west).
How electronic leak detection works in New Ash Green
You get a report showing the location of each breach, with photographs. Your roofer can then repair those points instead of hunting for the leak. We do not estimate repair costs; that is for your roofer to price. Testing again after repairs can confirm the breaches have been dealt with if the build-up allows. Results come in a written report with photos. We survey liquid-applied waterproofing, flat roof membranes and commercial flat roofs, and the problems we’re asked to look at most are leaks under green or ballasted roofs and leaks at pipes, outlets or fixings.
Some older homes in villages like New Ash Green are listed or in a conservation area, which can shape what a new flat roof may look like. Check with the council before planning any change of material. Knowing the roof’s condition is the starting point. Changes that affect a listed building’s special interest need listed building consent.
Every survey ends with a written report, with photographs, sent by email. It sets out the condition of the flat roof membrane, any defects and our written recommendations.

- Location
- New Ash Green (DA3, TN15)
- Region
- Kent
- Cost
- Quoted for your roof
- Your report
- Written, with photos, emailed to you
- Appointments
- Weekdays and weekends
- Cover
- PI and public liability insurance
- Call
- 07833 053749
- Last updated
- 27 October 2026
Also near New Ash Green
Also in New Ash Green
New Ash Green questions
Do you cover New Ash Green?
Yes. We survey roofs across London and South East England, and New Ash Green is part of that. You can phone 07833 053749 or email us with the address and some details, and we’ll talk through which survey suits.
Does a conservation area affect roof work in New Ash Green?
For listing, use Historic England’s list; for conservation areas, ask the council. The answer matters most when a change of material is on the cards.
Do you carry professional indemnity insurance?
Our cover is professional indemnity plus public liability, and details are available on request.
Will you go up on the roof?
Only where it is safe to do so. We inspect whatever is safely visible: from ground level, from windows, from inside the roof space, from the roof where it is safe and by drone where applicable. The report says if anything couldn’t be seen.
Is this a RICS survey?
No. It is a specialist roof survey, not a RICS Level 2 or Level 3 building survey. It focuses on the roof, so it sits alongside a building survey rather than replacing it.
I live in a flat. Can you survey the roof?
Yes, if the building owner or managing agent agrees access. On a shared roof we can only inspect the parts we are allowed to reach.
How many surveys have you done?
Over 20 years and more than 5,000 surveys.
Different roofs, different checks
Inverted and paved roofs
We will tell you if your inverted or paved roof is not suitable.
Green and ballasted roofs
Testing before planting or ballast goes on is simpler.
Why act early in New Ash Green
Repairs in the wrong place leave the leak in place. Testing shows where the membrane is actually breached. In a small place like New Ash Green, homes can be exposed to wind and rain, which finds any gap, and older walls, once damp, take a long time to dry.
Bigger, taller and commercial roofs take more time to survey, so they’re priced to match. You’ll know the figure before booking.
What you get with us
- Insured for professional indemnity and public liability
- Drone and thermal imaging surveys available
- Over 5,000 surveys carried out
- Every finding written up with photos
Take a look at our cost guide and what we found on two real jobs.
How we price electronic leak detection
When we price a survey, we consider:
- Any need for thermal images or a drone flight
- The roof’s overall size
- Extra roofs, like extensions, dormers or garages
- The shape of the roof and its details
The cost of a survey depends on the roof: how big it is, how high it is, the number of separate roofs and how it can be reached and seen safely. We quote electronic leak detection for each roof, as the method and time depend on the roof.
What we need to know
You don’t need to know any roofing terms. It is enough to tell us:
- Any photos you have, taken from ground level or a window
- Where water is showing inside, if it is
- The property’s address and postcode
- Access details, such as a loft hatch or a shared roof
To get a price for electronic leak detection in New Ash Green, ring 07833 053749 or send us an email. The address, the type of property and what you’d like to know help us give you an accurate price.
Common roof problems in New Ash Green
On a flat roof, water spreads under the waterproofing. The stain inside can be far from the hole which makes it hard to find by looking.
A survey makes sense if you’ve noticed:
- Failed seams and laps
- Stains far from any visible defect
- Waterproofing to test before it’s covered
- Holes left by work on the roof
For landlords with property near Longfield station, flat roofs on let property tend to be checked only when they fail, which is the costly way round.
Questions to ask before booking
- What experience they bring
- Will the report include photos?
- Whether they hold professional indemnity and public liability insurance
- Which parts of the roof they’ll actually see
Rented homes, blocks and businesses
Any of our surveys can be booked by landlords, agents and building managers in New Ash Green. For a price for a let property or a block, phone 07833 053749 or use the contact form.
Shared roofs need a little more planning: access has to be agreed with whoever owns or manages the building. Tell us about it when booking and we will plan the visit with that in mind.
What we do, step by step
Time on site depends on the size and shape of the roof; as a rough guide, the survey takes a time that depends on the roof’s area and construction, and we’ll give you a guide when quoting. If you have questions on the day, just ask. In a hamlet or village like New Ash Green, a postcode doesn’t always lead to the right gate, so a few directions, or a note of a nearby landmark, help us arrive on time. After that, the survey runs as it would anywhere.
- We agree the area to be tested.
- The surface is prepared for the chosen method.
- Testing runs across the agreed area.
- Each breach found is located and recorded.
- The report is sent for your roofer to act on.
Before the survey
- Check the loft hatch can be reached
- For flats, check roof access has been agreed
- If you are buying, check with the agent that we can get in
Booking a survey
Booking is simple: just phone 07833 053749 or email us and give us some details about the property and we’ll explain which survey suits. The price is agreed up front.