Hertfordshire · London and the South East
Electronic leak detection in Monkswood, Hertfordshire
Electronic leak detection to pinpoint holes in flat roof membranes in Monkswood. We have completed more than 5,000 surveys across London and the South East.
- Waterproofing to test before it is covered
- Leaks through a covered membrane
- Leaks showing away from the breach
The survey, step by step
Safety comes first on every visit. We inspect whatever is safely visible, and if part of the roof cannot be seen, the report says so. The survey typically takes longer on a large roof than a small one, with the construction of the roof playing a part too. Older rural homes like those around Monkswood can have a main roof, lower lean-to roofs and outbuildings all joined together. We work round each section in turn, from the safest viewpoints.
- We agree the area to be tested.
- 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 we arrive
- Gather any invoices or paperwork from past roof work
- Point out any leaks or damp patches
- For a flat or shared roof, check access with the building owner or managing agent
Book a survey
We survey roofs on weekdays, Saturdays and Sundays. To arrange a day that suits you, ring 07833 053749 or drop us an email with the address and the days you’d prefer.
Related advice
Electronic leak detection in Monkswood: what you get
Water can travel under a flat roof membrane before it shows inside. So the stain inside rarely sits under the hole. Electronic leak detection tests the membrane itself, to find where it has been breached. It’s testing only and leave the repair to your roofer. On suitable roofs, it replaces guesswork with a located breach. The results then follow in a written report with photos. If you’re worried about gaps at membrane joints and punctures from foot traffic or tools, we can find out what’s behind it.
In a small place like Monkswood, a flat roof can stand in the open, which is hard on edges, upstands and joins in the covering. Felt roofs, which often last around 15–20 years, normally show it first. Rubber and GRP last longer, though trims and joints still need a look. On an exposed roof, the edges tend to go first.
You can share the report with anyone who needs it: a seller or estate agent, an insurer, a roofer, a builder or a managing agent, whichever applies.
- Where
- Monkswood (AL8, AL6, AL7)
- Wider area
- Hertfordshire
- Price
- Quoted for your roof
- Reports
- Written, with photos, emailed to you
- When we survey
- Weekdays and weekends
- Cover
- PI and public liability insurance
- Phone
- 07833 053749
- Page updated
- 27 October 2026
Towns and villages near Monkswood
More services for Monkswood
Checking the roof from the ground
The one thing to avoid is getting up close. Slates, tiles, flat roofs and rooflights can give way, and a fall can be serious. That is where a survey comes in, using safe viewpoints and a drone where applicable.
Fresh stains on ceilings or walls after rain are worth noting. Take a photo and write down when you saw it, as it helps a surveyor trace the cause.
Questions from Monkswood
Do you cover smaller places like Monkswood?
Yes. Monkswood is within the area we cover, which takes in towns, villages and rural addresses. Our area covers London and South East England. Let us know about access, parking and anything unusual about getting there when booking.
Is my home in Monkswood listed or in a conservation area?
Historic England’s list shows listed buildings, and the local council can tell you about conservation areas. If a home is listed, changes that affect its special interest need listed building consent, and in a conservation area re-roofing in different materials may need permission.
I live in a flat. Can you survey the roof?
Yes, if whoever owns or manages the building agrees access. On a shared roof we can only inspect the parts we’re allowed to reach.
What’s the price of ELD?
We quote for each roof individually. Send us details of the roof, and call 07833 053749 or use the contact form for a quote.
Can every flat roof be tested?
It depends on the membrane and the build-up. Share any details you have and we’ll check whether ELD will work.
Do you carry professional indemnity insurance?
We hold professional indemnity and public liability insurance.
How soon will I get the report?
Each package has its own report time. Basic is within 48 hours, Standard is 24–48 hours and Premium is the same day. Mention any deadline when booking.
Landlord and commercial surveys in Monkswood
With a portfolio of properties, surveys can be booked for more than one address. To arrange surveys for several addresses, ring 07833 053749 or send us an email.
Letting agents can arrange access with tenants, at a time agreed beforehand. We survey seven days a week, which helps when tenants work during the week.
Tips that help
From years of surveys, a few habits stand out:
- Do not keep patching the same spot
- Keep a note of leaks after rain
- Share any drawings of the roof
- Clear flat roof outlets regularly
If water has been getting in, insulation under the membrane may be wet. That is something to discuss with your roofer, and moisture readings can help.
Check contractors protect the waterproofing when they work up there. Have the roof looked at after other work.
What we can’t see
This isn’t a RICS building survey, a structural engineer’s report or an asbestos survey. Other limits to bear in mind:
- The extent of water in the insulation
- Repairing the breaches (that’s for your roofer)
- Leaks from walls, copings or rooflights
If you’re not sure which survey you need, phone 07833 053749 or send us an email and we will give you a straight answer before booking. The full list of what we check.
Roof types and parts we check
- Roof terraces and balconies
- Commercial flat roofs
- Single-ply roofs
- Liquid-applied waterproofing
- Green roofs
- Flat roof membranes
What affects the cost of electronic leak detection
We confirm the price for your survey before booking. These are the things that affect it:
- Extensions, dormers and garages with roofs of their own
- The use of thermal imaging or a drone
- How tall the building is and how easy the roof is to see
- The size of the roof
For a price for your roof in Monkswood, call 07833 053749 or use the contact form with the address and some details. We’ll confirm the figure before booking.
What to tell us when you contact us
You do not need to know any roofing terms. It’s enough to let us know:
- Where the property is, with the postcode
- When you need the report by
- Whether there’s a loft hatch, a shared roof or tricky access
- Pictures from the garden or a window, if you have them
Booking is simple: just call 07833 053749 or send us an email and give us a few details about the property and we will explain which survey suits. The price is agreed up front.
Electronic leak detection around Monkswood
Slate and clay tile are the usual coverings on older South East houses, with concrete tiles on many later estates. Alongside them, flat-roofed extensions, dormers, garages and commercial units are common almost everywhere. About 0.1 miles south-west lies Digswell House, a reminder of how long the area around Monkswood has been built on. If your house is among the older ones, expect a mix of original materials and later repairs on the roof, and the council can say whether a home is in a conservation area.
Shop and office owners around Howard Centre may find that the flat roofs over shops and commercial units are worth checking before a leak, not after. If yours is one of the older homes in the streets near The Parish Church of St John, flat-roofed rear additions and dormers added over the years are worth checking. If you let a flat or house near Welwyn North station, a flat roof over a rented flat is easy to forget until the tenant reports a leak.
Monkswood is about 2 miles north of Welwyn Garden City, in Hertfordshire. Monkswood is part of the area we cover across London and South East England. Our area takes in places right across Hertfordshire, from the larger towns to small villages. We also survey roofs in London.
Every address in AL8, AL6 and AL7 is within our area for electronic leak detection, from the main roads to the quietest streets. We cover properties on Digswell Park Road, Ingles and Uplands. We also cover the places around Monkswood: Welwyn (1 mile north-west), Ayot Green (1 mile south-west), Ayot St Peter (2 miles west), Pottersheath (2 miles north) and Rableyheath (2 miles north). Further out, we also cover Watford (14 miles south-west), Hemel Hempstead (12 miles south-west), Stevenage (6 miles north), St Albans (7 miles south-west), Harpenden (6 miles west) and Hitchin (9 miles north).
Landmarks near Monkswood
Locally, jobs take us to homes and businesses close to Monk's Walk School, Danesbury Park and Hedgehog pub. Monkswood’s nearest station is Welwyn North station, roughly 0.6 miles north-east. Nearby you’ll also find Queen Elizabeth II Hospital (2.7 miles south) and Howard Centre (1.3 miles south). Green spaces nearby include Tewin Orchard and Hopkyns Wood.