Greater London · London and the South East
Electronic Leak Detection in Farthing Street
Electronic leak detection to pinpoint holes in flat roof membranes in Farthing Street, carried out by an experienced roof surveyor. You get a clear written report with photographs.
- Breaches hidden under paving or planting
- Damp inside with no sign on the roof
- Leaks through a flat roof with no obvious cause
Common questions in Farthing Street
How do I find out if my home in Farthing Street 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 is worth checking before planning any.
Do you carry out roof surveys in Farthing Street?
Yes. We work right across London and the South East, and Farthing Street is part of that. You can call 07833 053749 or email us with the address and a few details, and we will talk through which survey suits.
Will you go up on the roof?
Only if it’s safe. We check everything that can be seen safely: from ground level, from windows and vantage points, from the loft space, from the roof itself where safe and by drone where applicable. Anything we can’t see is noted in the report.
Does the report include photos?
Yes. The report includes photographs of what we found, so you can see each point for yourself.
Will you repair the leak?
No. We test the membrane and report. You get the breach locations with photos so your roofer can fix them.
What is electronic leak detection?
The waterproofing membrane normally stops an electrical current, so wherever there’s a hole, it passes through. That’s how we locate breaches you can’t see.
What do I do with the report?
You’ll receive the report by email, and you decide the next step: use it with a seller, an insurer, a roofer or a managing agent.
Electronic leak detection in Farthing Street
Our ELD report shows where each breach was found with photos. It tells your roofer exactly where to repair rather than guessing. Repair costs aren’t part of the report, so your roofer prices the work. A retest after repairs can check the work, where the roof still suits the method. You get a written report with photos. Common reasons to book are leaks that return after repairs and holes around roof penetrations, on green roofs, liquid-applied waterproofing and flat roof membranes.
Offices, shops and blocks of flats across London often have large flat roofs with plant, rooflights and walkways. Every penetration and upstand is a place where a membrane can fail. In Farthing Street, roof access is agreed with the building manager or owner beforehand. Rooflights, plant supports and pipe entries are common places for a membrane to fail.
The report is written in plain words, so you don’t need to be a roofer to follow it. Each point is backed by a photograph where possible.
- Where
- Farthing Street (BR6)
- Region
- Greater London
- Price
- Quoted for your roof
- Report
- A written report with photos, by email
- When we survey
- Weekdays, Saturdays and Sundays
- Insured
- PI and public liability insurance
- Call
- 07833 053749
- Page updated
- 27 October 2026
Surveys for landlords and agents in Farthing Street
For a freeholder or residents’ company, a roof report is a sound basis for a maintenance plan, with the most urgent items set out first.
We survey roofs for landlords and agents as well as householders. The report gives you a dated record of the flat roof membrane, with photos, which helps you plan work between tenancies.
DIY checks: what’s safe
Your own check is a good start, but it is not a survey. From ground level, valleys, flashings and the backs of chimneys are often out of sight, and those are details a survey looks at closely.
During heavy rain, look at the gutters from ground level or a window. Overflowing water can be a sign of a blockage or a gutter that has dropped.
What electronic leak detection doesn’t cover
Without opening up the roof, some things stay hidden, and that sets some limits:
- Moisture spread under the membrane
- Repairing the breaches (that’s for your roofer)
- Build-ups without a suitable layer below
If in doubt, ring 07833 053749 or email us and we’ll point you to the right survey before booking. The full list of what we check.
Roof types and parts we check
- Green roofs
- Roof terraces and balconies
- Flat roof membranes
- Commercial flat roofs
- Single-ply roofs
- Liquid-applied waterproofing
Prices for electronic leak detection in Farthing Street
All our prices include VAT. The things that change the price are:
- House, block, shop or office
- Extensions, dormers and garages with roofs of their own
- If the survey needs thermal imaging or a drone
- The size of the roof
What a survey costs comes down to the roof itself: its size, its height, how many sections it has 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 to tell us when you get in touch
A little information up front helps. Please include:
- The style of property, from a terrace to a block
- Any photos you have, taken from ground level or a window
- Why you want a survey: buying, a leak, a storm or new work
- Dates you’re working to, such as exchange
You can call us seven days a week. For a price or to book, phone 07833 053749 or email us.
How the survey works
Every visit follows the same pattern: we listen to what’s been worrying you, inspect the roof from every safe vantage point, photograph what we find and record our findings for the written report. It normally takes more time on a big roof than a small one, with the construction of the roof playing a part too. From the street, a London terrace normally shows only its front slope or parapet, so in Farthing Street we work round the house, using the street, the windows, the loft and any safe vantage point behind it. Shared stairs or a basement flat? Tell us who holds the keys.
- First, you tell us about the roof build-up and where water is showing.
- We check that the membrane and build-up suit electronic leak detection.
- The testing method is chosen to suit the membrane and build-up.
- The roof is tested and any breaches are located.
- The breaches are recorded with photographs in a report for your roofer.
How to prepare
- Tell us where we can park nearby
- Make sure the loft hatch can be reached
- Have any paperwork from past roof work to hand
Arrange a survey
Most bookings start with a short call: ring 07833 053749 or send us an email and we will ask a few questions about the roof. You will have a price before anything is arranged.
Related advice
Places near Farthing Street
Other services in Farthing Street
Roof by roof
Liquid-applied waterproofing
Small holes in liquid waterproofing may leak. ELD can help locate them on suitable roofs.
Green and ballasted roofs
Green roofs and ballasted roofs cover the waterproofing. Testing may still be possible, depending on the build-up.
Flat and commercial roofs around Farthing Street
The wider area around Farthing Street has a long history of building, with Down House about 1 mile south. On older houses around here, roofs often carry the marks of earlier repairs, from replaced slates to new lead, and a listed home or one in a conservation area may need consent for changes of material. Alongside Victorian and Edwardian terraces, outer London has a great many interwar semis, often with hipped roofs of clay or concrete tiles. Bay roofs, hip ridges and dormers from later loft conversions are the details that set these houses apart. Flat roofs fill the gaps in between, on extensions, garages, dormers and business premises.
For site and facilities teams at buildings like Downe Primary School, a large flat roof with a good many outlets and rooflights has many places where a membrane can fail. For a London address like Farthing Street, it is useful to know about controlled parking before the day. Take an older house close to St Mary's Church: flat-roofed rear additions and dormers added over the years are worth checking.
Farthing Street is about 4 miles south-west of Orpington, in Greater London. In Farthing Street, as across Greater London, every roof gets the same careful survey. Across Greater London, we cover Farthing Street and the places around it. For surveys nearby, see our London page.
Here we cover the BR6 postcode area for electronic leak detection. Local streets include Farthing Street, New Road Hill and Orange Court Lane. We also cover the places around Farthing Street: Downe (1 mile south-east), Leaves Green (1 mile south-west), Hazelwood (1 mile south-east), Keston (1 mile north-west) and Farnborough (1 mile north-east). We also work in nearby towns such as London (12 miles north-west), City of Westminster (15 miles north-west), Marylebone (15 miles north-west), Kensington (15 miles north-west), St Pancras (14 miles north-west) and Shoreditch (14 miles north-west).
Around Farthing Street
Around Farthing Street, our work takes us to homes and buildings near Darrick Wood School, South Park and The Queens Head pub. Farthing Street’s nearest station is Orpington station, roughly 2.6 miles north-east of the centre. Well-known places in the area include Princess Royal University Hospital (1.4 miles north) and Crofton Roman Villa (2.5 miles north-east). Not far away are Betsom's Hill and West Kent Golf Course nature reserve.