Kent · London and the South East
Electronic leak detection in Coldharbour, Kent
Electronic leak detection in Coldharbour, backed by more than 20 years’ experience. You get a clear report with photos.
- Holes around roof penetrations
- Damage from equipment installers
- Stains far from any visible defect
Flat roofs in Coldharbour
Historic houses such as Ightham Mote, about 2.2 miles north, show how far back building in the area around Coldharbour goes. If you own one of the older houses, expect a mix of original materials and later repairs on the roof, and any change of roofing material on a listed home needs checking with the council first. Older houses across Kent frequently have handmade clay or peg tiles, and many have tile-hung walls. The county’s older buildings also include oast houses and timber-framed Wealden hall houses. Mixed in with those pitched roofs are lots of flat ones, over rear extensions, dormers, garages and shops.
Take a building like St Margaret Clitherow Catholic Primary School: schools and public buildings often have big flat roofs, and their outlets and upstands need regular checks. Landlords with a home close to Hildenborough station may find that flat roofs over rear additions and dormers in rented property are worth checking between tenancies.
Coldharbour is about 2 miles north of Tonbridge, in Kent. We visit Coldharbour as part of our work across Kent. Our Kent coverage includes Coldharbour. There is also a page for Maidstone.
All of TN11 is covered for electronic leak detection. Nearby, we also carry out electronic leak detection in Hildenborough (1 mile south-west), Hilden Park (1 mile south), Watt's Cross (1 mile west), Budds (1 mile north) and Stocks Green (2 miles south-west). We also work in nearby towns like Maidstone (12 miles east), Dartford (15 miles north), Sevenoaks (5 miles north-west), Royal Tunbridge Wells (6 miles south), Gravesend (15 miles north) and Northfleet (15 miles north).
Near you in Coldharbour
Locally, jobs take us to homes and businesses close to Hugh Christie Technology College and The Flying Dutchman Public House, among other places. For rail, the closest station is Hildenborough station, about 1.6 miles south-west. Other landmarks nearby include Tonbridge Castle (2.2 miles south) and The Milne Museum (2 miles south). The countryside around Coldharbour includes Tudeley Woods RSPB reserve and Barden Lake.
Electronic leak detection for homes and businesses in Coldharbour
Electronic leak detection works on many flat roof membranes, on homes, blocks and commercial buildings. It helps trace a leak you already have or check a new membrane before handover. Each roof is quoted on its size and build-up. We can test on weekdays and at weekends when conditions allow. Tell us about your roof to find out more. If you’ve noticed new membranes needing a check before handover and holes left by work on the roof, we can find out what’s behind it, on commercial flat roofs, roof terraces and balconies and single-ply roofs alike.
Some older homes in villages like Coldharbour are listed or in a conservation area, and that can affect how an extension roof or dormer is re-covered. If you are planning work, check with the council first. Knowing the roof’s condition is the starting point. Listed building consent is needed for changes that affect a listed building’s special interest.
The report works through the roof section by section, from the main slopes down to the gutters and outlets, each with a short note and a photograph. It records what’s sound as well as what isn’t.

- Location
- Coldharbour (TN11)
- Wider area
- Kent
- Price
- Quoted for your roof
- Report
- Emailed report with photos and recommendations
- Appointments
- Weekdays and weekends
- Insured
- Professional indemnity and public liability
- Phone
- 07833 053749
- Page updated
- 27 October 2026
Do you need electronic leak detection in Coldharbour?
Other trades on the roof can puncture the waterproofing. Fixings, equipment and foot traffic can leave small holes.
Most people get in touch when they’ve noticed one of these:
- Damage from equipment installers
- Waterproofing to test before it’s covered
- Leaks showing away from the breach
- A flat roof leak that can’t be traced
The streets around a church like Parish Church of St John 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 normally start.
Before booking any roof surveyor
- How much experience they have with roofs like yours
- What follow-up you get after the report
- Whether the loft space is looked at, where there is one
- How they plan to inspect the roof safely
Why get it checked now?
Water trapped under a membrane can soak insulation and decking. Finding the breach sooner limits that. Older cottages and farmhouses around Coldharbour can have roof timbers that have been there a very long time, where water from a failed roof can cause rot if it’s left.
For a price for your roof in Coldharbour, phone 07833 053749 or use the contact form and tell us about the roof. The price is agreed before a date is set.
What you get with us
- 98% of clients satisfied
- 5,000+ roofs surveyed
- An independent look at the roof
- Visits on any day of the week
See what a roof survey costs or what we found on two real jobs.
What we do, step by step
Where it is relevant and can be reached safely, the loft space is checked as well as the outside. In the loft, the signs we look for are staining, damp, daylight and sagging, as far as the space allows. The whole visit typically takes as long as needed for the size of the roof and how it’s built, and we’ll give you a guide when quoting. Older roofs in small places like Coldharbour can have low, tight loft spaces, so it helps to know whether there is a loft hatch and how easy it is to reach. We only go where it’s safe.
- First, we confirm which roof areas are included.
- We get the roof ready for testing.
- We work across the roof with the test equipment.
- Each breach found is located and recorded.
- You receive the results to pass to your roofer.
Before the survey
- Check we can get to the back of the property
- If the roof is shared, arrange access with whoever manages the building
- Move anything stored under the loft hatch
Book a survey
Our phone lines are open seven days a week, including Saturdays and Sundays. To book or ask a question, phone 07833 053749 or send us an email.
Related advice
Coldharbour: your questions answered
Is my home in Coldharbour listed or in a conservation area?
Your council is the best source, with Historic England’s list for listed buildings. A change of roofing material may need consent in either case.
Is Coldharbour in the area you cover?
Yes, Coldharbour is one of the places we work. The survey and report are the same in Coldharbour as anywhere else, and visits run on weekdays and weekends.
Are you structural engineers?
No. We point out what can be seen, like sagging or deflection, but we are not structural engineers and do not carry out calculations. Where an engineer is needed, we say so in the report.
How do I arrange electronic leak detection in Coldharbour?
It’s easiest to call 07833 053749 or drop us an email. Give us the address and a few details about the roof, and we’ll take it from there. We survey on any day of the week.
What happens next?
You receive the written report by email, with photos and recommendations. You can use it to talk to a seller, an insurer, a roofer or a managing agent, whichever applies.
Do you test for asbestos?
No. We don’t sample or test for asbestos. The report may flag materials that could contain asbestos on buildings built or refurbished before 2000, with a recommendation to have a specialist asbestos surveyor check before it is disturbed.
Can you survey a shared roof?
Yes, once access has been agreed. Roofs over flats are frequently shared, so we need permission from whoever owns or manages the building. We can only inspect what we’re given access to.
Towns and villages near Coldharbour
Other services in Coldharbour
What we cannot see
It is a careful look at the flat roof membrane, not the whole story. The main limits are:
- Moisture spread under the membrane
- Leaks from plumbing or windows
- Repairing the breaches (that’s for your roofer)
If you are not sure which survey you need, phone 07833 053749 or email us and we will give you a straight answer. The full list of what we check.
What we check
- Roof terraces and balconies
- Liquid-applied waterproofing
- Green roofs
- Commercial flat roofs
- Flat roof membranes
- Single-ply roofs
For landlords and managing agents
Managing agents and residents’ management companies use roof surveys to plan maintenance. Recommendations are set out by urgency where it matters, which helps with budgets and planning.
Landlords and letting agents in Coldharbour book surveys as well as homeowners. A written report with photos gives you a clear record of the flat roof membrane.
Tips from our surveys
Getting the most from electronic leak detection starts before we arrive and carries on afterwards. Tips:
- Keep foot traffic on flat roofs to a minimum
- Don’t keep patching the same spot
- Consider ELD before paving or planting goes on
- Get leaks traced quickly
Where the evidence points to walls, copings or rooflights, we’ll note it, so other causes can be checked.
Clear flat roof outlets regularly. Water that sits on the roof finds breaches faster.