Hertfordshire · London and the South East
Electronic Leak Detection in Garston
Get a clear view of the flat roof membrane at a property in Garston from an independent roof surveyor. We visit on weekdays and at weekends.
- Leaks under green or ballasted roofs
- Breaches around outlets and penetrations
- A flat roof leak that cannot be traced
Electronic leak detection in Garston
You get a report showing the location of each breach, with photos. Your roofer can then repair those points instead of hunting for the leak. We do not estimate repair costs, so your roofer prices the work. Testing again after repairs can confirm the breaches have been dealt with, where the roof still suits the method. Results come in a written report with photos. We survey roof terraces and balconies, liquid-applied waterproofing and flat roof membranes, and people most often book us about damp inside with no sign on the roof and damage from equipment installers.
Around a smaller place like Garston, flat roofs usually cover extensions, garages and dormers. Even a small flat roof can let a good many water into the room below. Knowing the covering and how it was laid tells you what to expect from it. From an upstairs window, look for standing water, splits and edges coming away.
The report records the flat roof membrane as we found it on the day. That makes it useful now and a handy reference later.
- Location
- Garston (WD25, WD24, AL2)
- Wider area
- Hertfordshire
- Prices
- Quoted for your roof
- Your report
- A written report with photos, by email
- Survey days
- Monday to Sunday, daytime
- Insurance
- PI and public liability insurance
- Telephone
- 07833 053749
- Last updated
- 27 October 2026
Garston: your questions answered
Will you come out to Garston?
Yes, smaller places are covered as well as towns. We cover the whole of London and South East England. Let us know about access, parking and anything unusual about getting there when booking.
Do you cover Garston?
Yes, Garston is one of the places we work. The survey and report are the same in Garston as anywhere else, and visits run on weekdays and weekends.
What’s the price of ELD?
Each roof is quoted on its size and build-up. Send us details of the roof, and phone 07833 053749 or use the contact form for a quote.
Do you climb onto every roof?
Not always. Some roofs are too steep or fragile to walk on safely. Safe viewpoints, the loft and a drone where applicable let us see the rest.
Which method do you use?
It depends on the membrane and the build-up. Low-voltage methods are normally carried out on a wet roof and high-voltage methods need the membrane dry and exposed.
Does electronic leak detection work on all membranes?
That depends on the roof’s membrane and layers. Tell us what you know about the roof and we will confirm suitability.
Does this replace a RICS home survey?
No. We check the roof, not the whole building, so it is not a RICS Level 2 or Level 3 survey. It can sit alongside a RICS survey if you want both.
What affects the price in Garston
All our prices include VAT. The things that change the price are:
- Roof area
- The type of building, from a house to a block or an office
- How many separate roofs there are, such as extensions, dormers and garages
- Building height and the viewpoints available
All our prices include VAT. We quote electronic leak detection for each roof, as the method and time depend on the roof. We confirm the price for your survey before booking.
What we need to know
Before you get in touch, it is useful to have:
- Pictures from the garden or a window, if you have them
- Where water is showing inside, if it is
- The style of property, from a terrace to a block
- Your postcode, so we can check access and travel
For a price for electronic leak detection in Garston, phone 07833 053749 or drop us an email. The address, the type of property and what you’d like to know help us price the survey accurately.
How the survey changes by roof type
EPDM rubber roofs
EPDM rubber roofs often last 30–50 years, but punctures and seam failures still happen.
Green and ballasted roofs
Green roofs and ballasted roofs cover the waterproofing. Testing may still be possible but it depends on the layers.
Also in Garston
Why get it checked now?
Repeated call-outs for the same leak add up. A clear record of where the breaches are helps break that cycle. Around Garston, leaves and moss in gutters lead to overflowing water and damp walls, particularly where trees overhang. It is easy to sort the cause early and slow to dry a damp wall.
Bigger, taller and commercial roofs take more time to survey, so the price reflects that. The price is confirmed before you book.
What you get with us
- PI and public liability insurance
- Surveys seven days a week
- Thermal imaging and drones used where they help
- A photo-illustrated written report
Take a look at how roof surveys are priced and two real surveys.
How the survey works
You don’t need to do much on the day. Show us any stains, drips or problem areas you know about, and we’ll get on with the inspection. A typical survey takes more time on a big roof than a small one, and the build-up of the roof makes a difference too. Homes around Garston frequently have gardens on more than one side, which gives us room to step back and see the roof. Mention any side of the property we can’t get to. Inside, the loft is looked at where it can be reached safely.
- We ask about the roof, its age, its membrane and where leaks appear inside.
- We confirm whether the roof is suitable for electronic testing.
- The method depends on the membrane and what sits above and below it.
- We test the membrane and find where current is passing through it.
- You get a report showing where each breach is, for your roofer to repair.
Before the survey
- Leave side gates unlocked
- Note where any stains or damp appear
- Let us know about parking near the property
Getting a price
Our phone lines are open seven days a week. To book or ask a question, call 07833 053749 or email us.
Related advice
What electronic leak detection doesn’t cover
Some things can’t be seen without opening up the roof, and that sets some limits:
- How wet the insulation is
- Fixing the holes we find
- Roofs whose membrane or build-up isn’t suitable
If you’re not sure which survey you need, call 07833 053749 or drop us an email and we will give you a straight answer. What a survey covers and doesn’t.
What this survey covers
- Single-ply roofs
- Green roofs
- Liquid-applied waterproofing
- Commercial flat roofs
- Roof terraces and balconies
- Flat roof membranes
What you can safely check yourself
What you can’t do safely is get up close. Roofs are fragile and slippery. That part is for a survey.
You can learn a lot from the ground. Binoculars help you spot slipped slates or tiles, gaps along the ridge and a leaning stack. Please don’t climb up for a closer look.
Flat roofs in Garston
Older houses in the South East frequently have slate or clay tile roofs, while many later estates have concrete tiles, and flat-roofed additions turn up almost everywhere. Mixed in with those pitched roofs are plenty of flat ones, over rear extensions, dormers, garages and shops. High Elms Manor, about 1 mile north-west, is one of the historic houses in the wider area around Garston. Period homes nearby can have lead valleys, tall chimneys and a patchwork of past repairs.
Anyone responsible for a site like The Grove Academy will know that ponding and blocked outlets on a wide flat roof are worth catching before the next wet season. If you own one of the older houses in the streets near Stanborough Park Church, the joins between later flat roofs and the old walls are where problems typically start. For landlords with property near Garston station, the flat roof over a let home is worth a look before it becomes a tenant complaint.
Garston is about 2 miles north of Watford, in Hertfordshire. Garston is one of many places we visit across Hertfordshire, for homes and businesses alike. We cover towns and villages across Hertfordshire, from the larger towns to small villages. There is also a page for London.
Here we cover the WD25, WD24 and AL2 postcode area for electronic leak detection. Local streets include First Avenue, Third Avenue and Fifth Avenue, all of which we cover. Other places close to Garston include Meriden (1 mile south), Leavesden (1 mile north-west), North Watford (1 mile south), Aldenham (2 miles south-east) and Watford (2 miles south). We also work in nearby towns such as Hemel Hempstead (6 miles north-west), St Albans (5 miles north-east), Welwyn Garden City (11 miles north-east), Harpenden (9 miles north), Cheshunt (14 miles east) and Hatfield (8 miles north-east).
Local landmarks in Garston
In Garston, that means homes and buildings near Francis Combe Academy and Garston Park and the streets around them. Garston has its own railway station: Garston station. Well-known places in the area include Leavesden Hospital (1.4 miles north-west) and Charter Place (2.3 miles south). For a walk, there is Longspring Wood and Verulamium Lake.