Kent · London and the South East
Electronic Leak Detection in Four Throws
Electronic leak detection to pinpoint holes in flat roof membranes for Four Throws, from an experienced roof surveyor. You get a clear written report with photos.
- Stains far from any visible defect
- Damage from equipment installers
- Leaks at pipes, outlets or fixings
About our electronic leak detection in Four Throws
There are different ELD methods. Low-voltage testing is typically 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. If neither method suits your roof, we will tell you before any testing starts. Common reasons to book are stains far from any visible defect and water coming in under a flat roof, on flat roof membranes, liquid-applied waterproofing and single-ply roofs.
Some older homes in villages like Four Throws 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.
Where we cannot see part of the flat roof membrane, the report says so. That way, it is clear what was covered and what wasn’t.
- Location
- Four Throws (TN18)
- Region
- Kent
- Cost
- Quoted for your roof
- Report
- Emailed report with photos and recommendations
- Survey days
- Monday to Sunday, daytime
- Insurance
- PI and public liability insurance
- Call
- 07833 053749
- Last updated
- 27 October 2026

How the survey changes by roof type
EPDM rubber roofs
EPDM rubber roofs often last 30–50 years, but can still be punctured.
Bituminous membranes
Bituminous roofs often have laps and old repairs where breaches occur. Testing depends on the roof.
What happens on the day
It’s useful to start with what’s prompted the survey: buying, a leak, storm damage, new work or just wanting to know where things stand. It helps us focus on what matters most to you. The visit usually takes a length of time set by the roof’s area and construction, which we’ll explain when we quote. Older rural homes like those around Four Throws can have a main roof, lower lean-to roofs and outbuildings all joined together. Each part is looked at from wherever it can safely be seen, and anything we can’t see is noted.
- We agree the area to be tested.
- We get the roof ready for testing.
- Testing runs across the agreed area.
- Each breach found is located and recorded.
- You receive the results to pass to your roofer.
How to prepare
- Clear the way to the loft hatch
- Keep pets out of the way during the survey
- Point out any leaks or damp patches
How to book
We survey roofs seven days a week. To find a date that works for you, phone 07833 053749 or use the contact form.
Advice
What this survey can’t tell you
Some things cannot be seen without opening up the roof, and that sets some limits:
- Repairing the breaches (that’s for your roofer)
- The extent of water in the insulation
- Build-ups without a suitable layer below
If you are not sure which survey you need, call 07833 053749 or drop us an email and we’ll give you a straight answer before booking. The full list of what we check.
Roof types and parts we check
- Green roofs
- Roof terraces and balconies
- Single-ply roofs
- Flat roof membranes
- Liquid-applied waterproofing
- Commercial flat roofs
Common roof problems in Four Throws
Work on the roof can damage a membrane. Engineers fitting equipment, solar panels or aerials may leave damage behind.
Look out for signs like these:
- Leaks at pipes, outlets or fixings
- Gaps at membrane joints
- Holes left by work on the roof
- Repairs that haven’t stopped the leak
If you own one of the older houses in the streets near Church of All Saints, the flat roofs on later extensions tend to wear out long before the main roof.
Choosing a roof surveyor
- Is there a chance to talk the report through?
- Whether you get a written report with photos
- Their insurance cover
- How soon the report will arrive
Your questions about electronic leak detection in Four Throws
Do you carry out roof surveys in Four Throws?
We do. The survey and report are the same in Four Throws as anywhere else, and visits run on weekdays and weekends.
Is my home in Four Throws listed or in a conservation area?
For listing, use Historic England’s list; for conservation areas, ask the council. It matters most if you are planning to re-roof in a different material.
Does this replace a RICS home survey?
No. It’s 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.
Do you climb onto every roof?
Only if it is safe. We inspect everything that’s safely in view: from the ground, from windows, from inside the roof space, from the roof where it’s safe and by drone where applicable. The report says if anything couldn’t be seen.
Do you test for asbestos?
No. Our report may flag materials that could contain asbestos, but only a specialist asbestos surveyor can confirm it. Buildings built or refurbished before 2000 may contain it.
Can you survey a shared roof?
Yes, once whoever controls the roof agrees access. On a shared roof we can only inspect the parts we are allowed to reach.
Can you survey at the weekend?
Surveys can be booked for any day of the week: Monday to Friday, Saturdays and Sundays. Tell us which days suit you as you book.
Nearby places to Four Throws
Other services in Four Throws
What a survey costs
Prices vary from roof to roof, and it comes down to:
- The number of roofs, including extensions and garages
- The type of building, from a house to a block or an office
- If the survey needs thermal imaging or a drone
- Building height and the viewpoints available
For a price for your roof in Four Throws, call 07833 053749 or drop us an email and let us know about the roof. We’ll confirm the figure before booking.
What to tell us when you contact us
The more you tell us, the easier it is to price the survey. When you contact us, let us know:
- Where the property is, with the postcode
- The kind of building and roof involved
- Whether there’s a loft hatch, a shared roof or tricky access
- Where any leaks, stains or damp patches show inside
Getting a price is simple: just phone 07833 053749 or drop us an email and give us some details about the property and we will suggest the right survey. The price is agreed up front.
Surveys for landlords and agents in Four Throws
Letting agents can arrange access with tenants, at a time agreed beforehand. Surveys run on weekdays, Saturdays and Sundays, which helps when tenants work during the week.
For a freeholder or residents’ company, a roof report is a sound basis for a maintenance plan.
Local flat roofs in Four Throws
Handmade clay tiles, including Kent peg tiles hung on pegs through two holes, are typical of older Kent buildings. Kent’s older buildings take in oast houses and timber-framed Wealden hall houses as well. Alongside them, flat-roofed extensions, dormers, garages and commercial units are common almost everywhere. About 3.9 miles south-east lies Great Dixter, a reminder of how long the area around Four Throws has been built on. On older houses around here, roofs often carry the marks of earlier repairs, from replaced slates to new lead, and the council can say whether a home is in a conservation area.
Take a building like Hawkhurst Church of England Primary School: a large flat roof with a good many outlets and rooflights has many places where a membrane can fail. If you let a flat or house near Etchingham station, flat roofs on let property tend to be checked only when they fail, which is the costly way round.
Four Throws is about 12 miles north of Hastings, in Kent. We survey roofs in Four Throws and the surrounding area as part of our work across London and the South East. Four Throws is one of the places in Kent where we work for electronic leak detection. We also survey roofs in Maidstone.
Postcode districts we cover here for electronic leak detection: TN18. Whether your property is on Rye Road, Foxhole Lane and Conghurst Lane or a nearby road, we can survey it. We also cover the places around Four Throws: Little Conghurst (1 mile south-west), Pipsden (1 mile north-west), Hawkhurst (1 mile north-west), The Moor (1 mile west) and Sandhurst Cross (1 mile south-east). Larger places within reach include Royal Tunbridge Wells (13 miles north-west), Paddock Wood (11 miles north-west), Tenterden (7 miles east), Southborough (14 miles north-west), Park Wood (14 miles north) and Staplehurst (9 miles north).
Around Four Throws
Locally, jobs take us to homes and businesses close to Oak And Ivy Public House and Collingwood Nature Reserve. The closest station to Four Throws is Etchingham station, roughly 4.5 miles south-west of the centre. Well-known places in the area include Benenden Hospital (4.9 miles north-east).