Essex · London and the South East
Navestock Heath Electronic Leak Detection
We take a careful look at the flat roof membrane at your property in Navestock Heath, with photographs and a written report.
- Gaps at membrane joints
- Holes left by work on the roof
- Patched roofs that still leak
How the survey works
Photographs are taken throughout the visit, so the report shows exactly what we saw. We take close-ups from wherever is safe. Most surveys take more time on a big roof than a small one, and the build-up of the roof makes a difference too. Somewhere as small as Navestock Heath, access is frequently the only tricky part. Mention any outbuildings, barns or garages you want included, and anything about the roof you already know. Visits can be on weekdays, Saturdays or Sundays.
- We start with what you know about the roof and the leak.
- We check whether the membrane and build-up suit ELD.
- The test method is chosen to suit the roof.
- We test the roof and locate any breaches.
- A report with photos shows where each breach is.
Getting ready for the survey
- Keep pets in another room
- Have any paperwork from past roof work to hand
- Move anything stored under the loft hatch
Book a survey
We confirm the price for your survey before booking, so you know the cost up front. We quote electronic leak detection for each roof, as the method and time depend on the roof. For a price for your roof, phone 07833 053749 or drop us an email.
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Electronic leak detection in Navestock Heath: what you get
Our ELD testing covers flat roofs in Navestock Heath and the rest of London and the South East. Testing typically takes as long as needed for the roof’s area and construction, which we’ll explain when we quote. Every roof is quoted on its size and build-up. The results come in a written report with photos. We survey liquid-applied waterproofing, flat roof membranes and roof terraces and balconies, and people most frequently book us about damp inside with no sign on the roof and failed seams and laps.
Older buildings in small places like Navestock Heath may be listed or in a conservation area, and that can affect how an extension roof or dormer is re-covered. 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, emailed to you. It sets out the condition of the flat roof membrane, any defects and our written recommendations.
- Location
- Navestock Heath (RM4)
- Region
- Essex
- Cost
- Quoted for your roof
- Reports
- Emailed report with photos and recommendations
- Appointments
- Monday to Sunday, daytime
- Insured
- PI and public liability insurance
- Telephone
- 07833 053749
- Page updated
- 27 October 2026
What this survey cannot tell you
This is not a RICS building survey, a structural engineer’s report or an asbestos survey. Other limits to bear in mind:
- Roofs whose membrane or build-up is not suitable
- Sections we can’t safely access
- The extent of water in the insulation
Not sure which survey suits your roof? You can call 07833 053749 or email us and we will tell you before you book. What a survey covers and doesn’t.
Roof types and parts we check
- Liquid-applied waterproofing
- Roof terraces and balconies
- Green roofs
- Flat roof membranes
- Commercial flat roofs
- Single-ply roofs
FAQs for Navestock Heath
Do you carry out roof surveys in Navestock Heath?
Yes, Navestock Heath is one of the places we work. Every survey there gets the same written report with photos.
Is Navestock Heath within the area you cover?
We do. Villages and rural addresses get the same survey as a town house, with the route planned beforehand.
Are you structural engineers?
No. We point out what can be seen, such as sagging or deflection, but we’re not structural engineers and don’t carry out calculations. If we think you need an engineer, the report says so.
Are you insured?
We hold professional indemnity and public liability insurance, for every survey we carry out.
How is ELD priced?
We quote electronic leak detection for each roof, as the method and time depend on the roof. The price depends on the roof’s size and build-up. For a quote, phone 07833 053749 or use the contact form.
Does ELD include fixing the breach?
No. ELD is testing only. You get the breach locations with photos so your roofer can fix them.
Can you test a green or ballasted roof?
Sometimes. The layers on top and the build-up below decide it and parts may need to be lifted. We talk this through first.
Flat roofs in Navestock Heath
In Essex, older buildings are frequently clay-tiled, many with weatherboarding, alongside a good many post-war and newer estates. Mixed in with those pitched roofs are plenty of flat ones, over rear extensions, dormers, garages and shops. About 3.2 miles north-west lies Hill Hall, a reminder of how long the area around Navestock Heath has been built on. If your house is among the older ones, expect a mix of original materials and later repairs on the roof.
Landlords with a home close to Harold Wood station may find that a flat roof over a rented flat is easy to forget until the tenant reports a leak.
Navestock Heath is about 4 miles north-west of Brentwood, in Essex. Navestock Heath is one of many places we visit across Essex, for houses, flats and commercial buildings. We cover towns and villages across Essex, large and small. Chelmsford is in our area too.
Here we cover the RM4 postcode area for electronic leak detection. We also cover Horseman Side (1 mile south-east), Waterhales (1 mile south), Navestock Common (2 miles south), Navestock Side (2 miles east) and Hare Street (2 miles north). Within a short drive, we also cover Chelmsford (13 miles north-east), Basildon (12 miles south-east), Harlow (9 miles north-west), Brentwood (4 miles south-east), Billericay (9 miles east) and Loughton (7 miles west).
Local landmarks in Navestock Heath
Around Navestock Heath, our work takes us to homes and buildings near The Alma Arms, among other places. The nearest railway station is Harold Wood station, about 4.3 miles south. Other landmarks nearby include Harold Wood Hospital (4.3 miles south). The countryside around Navestock Heath includes Bedfords Park.
Also near Navestock Heath
Also in Navestock Heath
Tips from our surveys
A survey works best with a little help from you, before and after. Tips:
- Limit access to the roof
- Get leaks traced quickly
- Do not let outlets block
- Consider ELD before paving or planting goes on
After your roofer repairs the breaches, a retest can confirm them if the build-up allows.
Ask trades working on the roof to protect the membrane when they work up there. Have the roof looked at after other work.
Landlords, agents and block managers in Navestock Heath
Letting agents can arrange access with tenants, at a time agreed in advance. Surveys run on weekdays and at weekends, which helps when tenants work during the week.
Buyers’ agents can book surveys on behalf of their clients. Reports are emailed, so they’re easy to pass on, photographs included.
Leave it or get it looked at?
Repairs in the wrong place leave the leak in place. Testing shows where the membrane is actually breached. Around Navestock Heath, older homes often have old roof timbers, and water through a failed covering can rot timber if it’s left.
To find out what your survey will cost, ring 07833 053749 or drop us an email with the address and a few details. We’ll confirm the figure before booking.
What you get with us
- Covered by professional indemnity and public liability insurance
- Every finding written up with photos
- An independent view of the roof
- 98% of clients satisfied
Take a look at what a roof survey costs or what we found on two real jobs.
Do you need electronic leak detection in Navestock Heath?
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.
Common reasons to book include:
- Failed seams and laps
- Breaches around outlets and penetrations
- Leaks through a covered membrane
- Leaks through a flat roof with no obvious cause
The streets around a church like Church of St Thomas the Apostle are often among the oldest in a place, and if you own one of the older houses nearby, the joins between later flat roofs and the old walls are where problems typically start.
Choosing a roof surveyor
- Whether the price includes VAT
- Whether you get a written report with photos
- What they will not be able to tell you
- Do they have a CAA Flyer ID and Operator ID for drone work?